MASSACHUSETTS COAST        
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Gunboat Shoal                                                 +0 05  +0 05  +0 05  +0 05   0.4  0.3   340  160  Portmouth Harbor Entrance
Isles of Shoals Light, White Island                            0 00   0 00   0 00   0 00   0.2  0.2   020  200  Portmouth Harbor Entrance
Merrimack River entrance                                      +1 04  +1 15  +1 13  -0 34   2.0  1.2   285  105  Boston Harbor
Newburyport, Merrimack River                                  +1 28  +1 48  +1 47  +0 35   1.4  1.2   288  098  Boston Harbor
Plum Island Sound entrance                                    +0 36  +0 50  +0 48  -0 07   1.5  1.2   316  184  Boston Harbor
Annisquam Harbor Light                                        +0 42  +0 49  +0 58  +0 03   0.9  1.1   200  013  Boston Harbor
Gloucester Harbor entrance                                    -0 28  +0 01  -0 29  -0 36   0.3  0.2   340  195  Boston Harbor
Blynman Canal ent., Gloucester Harbor                         -0 06  +0 05  -0 15  -0 39   2.7  2.8   310  130  Boston Harbor
Marblehead Channel                                            +1 09  +1 09  +1 09  +1 09   0.4  0.3   285  105  Boston Harbor
Nahant, 1.8 n.mi. NE of East Point                    10      +0 32  +0 49  +0 15  +1 00   0.6  0.6   252  144  Boston Harbor
. . . do.                                             45      -0 21  +1 04  +1 14  -0 31   0.3  0.2   250  070  Boston Harbor
. . . do.                                             80      -0 25  +1 04  +1 15  -0 31   0.2  0.1   238  077  Boston Harbor
Nahant, 0.4 n.mi. east of East Point                  15      +0 04  -0 41  +0 15  +0 22   0.4  0.5   205  045  Boston Harbor
. . . do.                                             25      +0 03  -0 26  +0 08  +0 29   0.4  0.4   198  027  Boston Harbor
Nahant, 1 n.mi. SE of East Point                      45      +0 04  +1 04  +1 13  +0 14   0.3  0.2   253  074  Boston Harbor
. . . do.                                             70      -0 22  -0 04  +0 19  -1 01   0.2  0.2   261  090  Boston Harbor
Pea Island, 0.4 n.mi. southeast of                    15      +0 53  +0 55  +0 42  -0 01   0.5  0.4   239  063  Boston Harbor
. . . do.                                             25      +0 34  +0 34  +0 57  +0 29   0.4  0.3   224  048  Boston Harbor
. . . do.                                             65      -0 37  -0 59  +0 14  -0 31   0.3  0.3   271  035  Boston Harbor
Bass Point, 1.2 n.mi. southeast of                    10      -0 22  +1 20  +0 58  -0 14   0.7  0.6   259  066  Boston Harbor
. . . do.                                             45      -0 29  -0 10  +0 52  -0 29   0.3  0.2   251  086  Boston Harbor
. . . do.                                             60      -0 29  -0 10  +0 31  -0 59   0.2  0.2   250  091  Boston Harbor
Little Nahant Cupola, 0.6 n.mi. west of               10      -0 02  -0 26  +1 32  +0 46   0.4  0.4   033  219  Boston Harbor
Sand Point, Black Marsh Channel                       10      +0 04  -0 17  +1 00  +0 27   0.5  0.4   013  203  Boston Harbor
Lynn Harbor                                           10      +0 29  -0 26  +2 35  +1 25   0.2  0.2   274  090  Boston Harbor
Point of Pines, 0.5 n.mi. south of                     6      +0 05  +0 19  +1 08  +0 41   0.4  0.5   009  198  Boston Harbor
Point of Pines, 0.1 n.mi. northeast of                 6      +0 43  +0 29  +1 00  +0 34   0.8  1.0   296  131  Boston Harbor
Finn's Ledge Bell, 0.2 n.mi. west of                  10      -0 01  +1 05  +0 26  -0 02   0.5  0.6   226  035  Boston Harbor
. . . do.                                             25      -0 11  +0 50  +0 36  +0 28   0.3  0.4   229  033  Boston Harbor
Winthrop Head, 1.1 n.mi. east of                      10      -1 12  +0 19  +0 31  -1 46   0.4  0.3   205  019  Boston Harbor
Lovell Island, 1.3 n.mi. north of                     10      -0 52  -0 57  -0 14  -0 25   0.8  1.0   196  033  Boston Harbor
. . . do.                                             25      -1 19  -0 59  -0 12  -0 13   0.7  0.6   197  033  Boston Harbor

        BOSTON HARBOR APPROACHES     
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
The Graves, 0.3 n.mi. SSE of                          10      +0 16  +1 08  +1 21  +0 19   0.5  0.5   227  103  Boston Harbor
. . . do.                                             45      -0 37  -0 52  -0 10  -0 58   0.3  0.4   262  085  Boston Harbor
. . . do.                                             60      -0 49  -0 52  -0 16  -1 23   0.2  0.3   252  070  Boston Harbor
Thieves Ledge                                         45      -0 15  -0 06  -0 40  -1 37   0.2  0.2   304  128  Boston Harbor
Little Brewster Island, 1.5 n.mi. E of                10      +2 19  +0 41  -0 40  +0 55   0.5  1.0   285  080  Boston Harbor
. . . do.                                             35      +0 53  -0 49  +0 03  +1 30   0.3  0.4   236  076  Boston Harbor
. . . do.                                             60      -1 14  -1 23  +1 31  -0 45   0.3  0.2   225  047  Boston Harbor
Hypocrite Channel                                     10      +0 13  +0 19  +0 49  -0 31   0.8  0.8   262  070  Boston Harbor
Little Calf Island, 0.4 n.mi. NW of                   10      +0 23  +0 04  -0 15  -0 18   0.5  0.6   220  048  Boston Harbor
Boston Light, 0.2 n.mi. south of                      10      +0 14  +0 19  +0 41  +0 40   0.9  1.1   267  100  Boston Harbor
Point Allerton, 0.8 n.mi. NNW of                      10      +0 25  +0 03  +0 46  -0 05   1.0  1.1   270  086  Boston Harbor
. . . do.                                             25      +0 17  +0 13  +0 55  +0 29   0.9  0.9   257  090  Boston Harbor
Point Allerton, 0.5 n.mi. NNW of                      10      +0 14  +0 26  +0 41  +0 11   0.9  1.0   280  079  Boston Harbor
. . . do.                                             25      +0 08  +0 29  +0 53  +0 25   0.8  0.8   262  080  Boston Harbor
Point Allerton, 0.4 n.mi. northwest of                10      -0 09  +0 53  +0 17  -1 11   0.6  0.7   265  080  Boston Harbor
Calf Island, 0.4 n.mi. west of                        10      +0 02  +0 23  +0 10  +0 13   0.5  0.5   198  037  Boston Harbor
. . . do.                                             25      -0 28   0 00  +0 16  -1 36   0.5  0.3   203  052  Boston Harbor
. . . do.                                             45      -1 28  +0 04  +0 05  -2 15   0.3  0.3   209  020  Boston Harbor
Aldridge Ledge, 0.2 n.mi. north of                    10      +0 22  +1 03  +0 43  +0 02   0.8  1.0   230  061  Boston Harbor
. . . do.                                             25      +0 08  +0 35  +0 52  +0 50   0.6  0.6   223  042  Boston Harbor
Black Rock Channel                                    10      -0 08  -0 11  +0 24  -0 01   0.6  0.8   247  046  Boston Harbor
Deer Island Light, 0.4 n.mi. NW of                    35      -0 15  -2 10  -4 11  -1 46   0.2  0.5   307  116  Boston Harbor
Lovell Island, 0.4 n.mi. north of                     10      +0 09  -0 11  +0 22  -0 29   1.1  1.0   259  064  Boston Harbor
. . . do.                                             25      -0 08  -0 14  +0 26  -0 11   1.1  0.8   264  074  Boston Harbor
Deer Island, 0.7 n.mi. ESE of                         10      +0 27  +0 19  +0 38  +0 10   1.1  1.1   220  048  Boston Harbor
. . . do.                                             35      -0 01  -0 11  +0 41  +0 20   1.0  0.7   221  048  Boston Harbor
Deer Island Light, 0.8 n.mi. ESE of                   10      -0 04  -0 20  +0 20  -1 23   0.8  0.8   233  066  Boston Harbor
Deer Island Light, 0.4 n.mi. east of                  10      +0 08  -1 13  +0 17  -0 16   0.8  0.8   240  057  Boston Harbor
. . . do.                                             35      -0 32  +0 52  +0 44  +0 16   1.0  0.6   264  053  Boston Harbor
Deer Island Light, 0.7 n.mi. ESE of                   35      -0 23  -0 10  +0 25  -1 01   0.9  0.5   233  062  Boston Harbor

     BOSTON HARBOR-PRESIDENT ROADS   
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
BOSTON HARBOR (Deer Island Light)                     10             Daily predictions                254  111  Boston Harbor
Deer Island Light, 0.3 n.mi. SSE of                   10      +0 02  +0 44  +0 15  +0 28   1.3  0.9   265  082  Boston Harbor
. . . do.                                             35      -0 11  +0 46  +0 49  +0 28   1.3  0.8   261  090  Boston Harbor
Deer Island Light, 0.4 n.mi. SSE of                   10      +0 06  +0 53  +0 43  +0 30   1.4  0.9   265  073  Boston Harbor
. . . do.                                             25      -0 02  +0 47  +0 52  +0 33   1.3  0.9   269  081  Boston Harbor
Deer Island, southwest of                             10      +0 04  -0 26  -1 58  -1 08   0.4  0.5   351  137  Boston Harbor
Long Island Head, 0.9 n.mi. NW of                     10      -0 08  +0 30  +0 01  -0 44   0.6  0.5   302  103  Boston Harbor
. . . do.                                             35      -0 01  +1 21  +0 50  +0 33   0.4  0.3   304  079  Boston Harbor
Deer Island Flats                                     10      -0 27  -1 11  -1 32  -3 04   0.4  0.4   327  107  Boston Harbor
Snake Island, southwest of                            10      -0 05  +0 19  +0 31  +0 13   0.4  0.4   312  134  Boston Harbor
Deer Island Light, 1.0 n.mi. WSW of                   10      +0 52  +1 14  +2 10  +1 05   1.2  0.7   254  086  Boston Harbor
. . . do.                                             35      +0 04  +1 33  +1 55  +0 23   1.1  0.3   273  082  Boston Harbor
Spectacle I. and Long I., between                     10      -0 04  +0 04  -0 34  -0 22   0.5  0.5   217  038  Boston Harbor
Spectacle Island, 0.2 n.mi. south of                  10      -0 13  -1 05  -0 52  -1 46   0.4  0.4   244  098  Boston Harbor
Spectacle Island, 0.3 n.mi. north of                  10      +0 37  +1 40  +1 42  +0 37   1.1  0.7   271  081  Boston Harbor
. . . do.                                             35      -0 07  +1 32  +1 31  +0 31   0.8  0.5   280  086  Boston Harbor
Spectacle Island, 0.7 n.mi. north of                  10      +0 21  +1 09  +1 32  +0 25   0.8  0.6   280  082  Boston Harbor
. . . do.                                             25      -0 03  +0 56  +1 26  +0 29   0.6  0.5   287  086  Boston Harbor
Spectacle Island, 0.1 n.mi. north of                  10      +0 17  +1 40  +1 20  +0 52   1.0  0.7   277  080  Boston Harbor
. . . do.                                             25      -0 11  +1 32  +1 20  -0 03   0.8  0.5   280  081  Boston Harbor
Spectacle I. and Thompson I., between                 10      -1 40  -3 54  -2 30  -2 56   0.2  0.3   306  127  Boston Harbor
Thompson Island, 0.7 n.mi. NNE of                     10      -0 28  +1 31  +1 10  -0 20   0.7  0.5   281  086  Boston Harbor
. . . do.                                             35      -1 04  +1 31  +0 48  -0 40   0.4  0.2   277  091  Boston Harbor
Fort Independence, 0.3 n.mi. east of                  10      +0 36  +1 31  +1 30  +1 12   0.6  0.5   303  125  Boston Harbor
Fort Independence, 0.4 n.mi. NW of                    10      -0 12  -0 25  -0 32  +0 01   0.4  0.5   288  113  Boston Harbor
South Boston, Pier 4, 0.2 n.mi. NNE of                10      +0 38  +0 56  +0 16  +1 13   0.3  0.3   299  118  Boston Harbor
. . . do.                                             25      -0 14  +0 19  +1 42  +0 15   0.3  0.1   030  120  Boston Harbor
Charles River                                         10             Current weak and variable                  Boston Harbor
East Boston, Pier 10, southeast of                    10      +1 35  +0 50  +0 28  +0 16   0.2  0.3   017  194  Boston Harbor
. . . do.                                             25      +0 01  +1 05  +1 23  +0 51   0.3  0.2   030  193  Boston Harbor
Chelsea River, west of bascule bridge                 10      +0 02  -0 26  +0 43  -0 46   0.2  0.2   048  240  Boston Harbor
Chelsea River, below bascule bridge                   10      +0 29  -0 15  +0 37  -0 04   0.2  0.2   088  272  Boston Harbor
Mystic River Bridge, 0.1 n.mi. west of                10      +0 31  -0 10  -0 46  -0 16   0.1  0.1   267  093  Boston Harbor
Mystic River Bridge, northwest of                     10      -0 20  +1 04  +0 22  -0 44   0.1  0.1   300  098  Boston Harbor
City Point, 0.8 n.mi. SSE of                          10      +0 13  +0 34  +1 19  +1 03   0.5  0.5   248  069  Boston Harbor
Squantum Point, 0.8 n.mi. northeast of                10      +0 18  +0 35  +1 16  +0 51   0.4  0.4   216  036  Boston Harbor
Squantum Point, 0.4 n.mi. NNE of                      10      +0 14  -0 06  +0 41  +0 52   0.4  0.4   266  091  Boston Harbor
Neponset River                                        10      -0 25  -0 32  +0 45  +0 35   0.4  0.4   218  025  Boston Harbor

     BOSTON HARBOR-NANTASKET ROADS   
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Lovell Island, 0.1 n.mi. south of                     10      +0 08  -1 54  -0 30  +0 17   0.6  0.9   275  092  Boston Harbor
. . . do.                                             24      -0 25  -2 17  -0 20  -1 01   0.7  0.7   294  095  Boston Harbor
Georges Island, northeast of                          10      -0 13  -1 47  -0 29  -2 10   0.7  0.6   279  100  Boston Harbor
Georges Island, north of                              25      -1 25  -1 41  -0 01  -1 46   0.7  0.8   298  112  Boston Harbor
Gallops Island, 0.2 n.mi. SSE of                      10      +0 01  +0 16  +0 01  +0 21   1.0  0.8   243  062  Boston Harbor
Gallops Island, 0.1 n.mi. southeast of                10      -0 01  -0 38  +0 04  +0 27   0.9  0.9   225  063  Boston Harbor
. . . do.                                             35      -0 07  -0 38  +0 17  +0 15   0.8  0.7   255  052  Boston Harbor
Gallops Island, The Narrows                           20      -1 25  -0 11  +1 13  -0 46   0.4  0.1   135  262  Boston Harbor
Lovell Island, The Narrows                            10      +0 43  +0 34  +1 00  -0 05   0.4  0.4   128  293  Boston Harbor
Lovell Island, west of                                10      +0 16  -0 26  +0 49  +0 29   0.4  1.0   134  299  Boston Harbor
. . . do.                                             24      -0 04  +0 14  +1 22  +0 02   0.4  1.0   136  313  Boston Harbor
Georges Island, 0.5 n.mi. ESE of                      10      +0 32  +0 46  +1 00  +0 13   0.9  1.0   244  065  Boston Harbor
Georges Island, 0.4 n.mi. east of                     10      -0 17  +0 04  +0 08  -0 11   1.0  0.9   248  057  Boston Harbor
Georges Island, 0.5 n.mi. southeast of                10      -0 11  +0 56  +0 45  +0 03   1.1  1.2   243  070  Boston Harbor
. . . do.                                             25      -0 11  +0 05  +0 47  +0 01   1.0  1.2   247  078  Boston Harbor
Georges Island, 0.3 n.mi. SSE of                      10      +0 21  +0 24  +0 34  +0 41   1.0  1.0   234  069  Boston Harbor
. . . do.                                             35      +0 08  +0 35  +0 58  +0 02   0.9  0.7   237  073  Boston Harbor
Georges Island, 0.4 n.mi. SSE of                      10      +0 16  +0 53  +0 32  -2 03   1.2  0.8   236  046  Boston Harbor
. . . do.                                             35      +0 14  +0 56  +0 56   0 00   1.1  0.8   240  065  Boston Harbor
Nubble Channel                                        10      -0 12  +0 45  +0 45  +0 43   0.7  0.6   187  006  Boston Harbor
Hull Gut                                              10      -0 10  +0 35  -0 01  +0 25   1.1  1.5   163  350  Boston Harbor
. . . do.                                             25      -0 09  +0 40  -0 01  +0 25   1.2  1.6   153  354  Boston Harbor
Peddocks Island, 0.2 n.mi. north of                   10      +0 37  +1 22  +1 20  -0 29   0.9  0.6   246  257  Boston Harbor
. . . do.                                             25      +0 07  +1 04  +1 30  -0 53   0.9  0.5   255  060  Boston Harbor
Peddocks Island, 0.3 n.mi. northwest of               10      +0 51  +1 25  +1 25  +0 56   1.0  0.8   245  060  Boston Harbor
. . . do.                                             25      +0 21  +1 09  +1 32  +0 15   0.9  0.5   250  055  Boston Harbor
. . . do.                                             40      -0 08  +1 06  +1 45  -0 47   0.9  0.4   261  060  Boston Harbor
Rainsford I. and Windmill Pt., between                10      +0 37  +0 54  +0 34  +0 46   0.7  0.8   251  056  Boston Harbor
. . . do.                                             25      +0 22  +1 19  +1 36  +0 05   0.7  0.4   256  053  Boston Harbor
Gallops Island, 0.5 n.mi. southwest of                10      +0 50  +0 14  -0 57  +0 47   0.6  0.6   238  074  Boston Harbor
. . . do.                                             25      +0 17  +0 17  -0 28  +1 10   0.4  0.3   237  072  Boston Harbor
Rainsford Island, 0.2 n.mi. NE of                     10      -0 17  +0 18  +0 19  -1 01   0.5  0.4   239  084  Boston Harbor
. . . do.                                             20      -1 52  +0 41  +0 17  -1 12   0.4  0.2   237  086  Boston Harbor
Rainsford Island, 0.4 n.mi. SE of                     10      +0 01  -0 49  +1 02  +0 01   0.6  0.6   225  055  Boston Harbor
Long I. and Rainsford I., between                     10      +0 31  +0 13  +0 39  +0 55   0.6  0.7   226  049  Boston Harbor
. . . do.                                             25      +0 22  +0 38  +0 43  -0 01   0.6  0.6   229  033  Boston Harbor
West Head, Peddocks I., 0.1 n.mi. W of                10      -1 21  +0 57  +1 29  -1 04   1.0  0.7   208  018  Boston Harbor
. . . do.                                             30      -1 26  +1 03  +1 20  -0 48   0.8  0.5   198  038  Boston Harbor
Sunken Ledge, 0.2 n.mi. northwest of                  10      +0 26  -0 36  +0 33  +0 56   0.4  0.5   223  016  Boston Harbor
. . . do.                                             20      +0 28  +0 24  +0 38  -0 02   0.3  0.4   236  030  Boston Harbor
West Head, Long I., 0.4 n.mi. south of                10      +0 33  +0 46  +1 05  +0 29   0.6  0.5   231  060  Boston Harbor
. . . do.                                             20      +0 15  +1 00  +1 00  +0 25   0.5  0.4   231  043  Boston Harbor
Moon Head, 0.4 n.mi. east of                          10      -0 09  -1 54  -0 25  -1 31   0.3  0.3   259  080  Boston Harbor
West Head, 0.2 n.mi. southwest of                     10      -0 04  +0 21  +1 05  +0 09   1.2  1.2   167  322  Boston Harbor
Nut Island, 0.4 n.mi. NNE of                          10      +0 20  +0 25  +1 06  +0 43   1.2  1.2   158  312  Boston Harbor
. . . do.                                             20      +0 20  +0 29  +1 13  +0 41   1.1  1.2   155  321  Boston Harbor
Nut Island, 0.2 n.mi. NNE of                          10      +0 40  +0 35  +1 20  +0 43   1.1  1.0   146  309  Boston Harbor
. . . do.                                             20      +0 39  +0 38  +1 30  +0 28   0.9  0.8   131  303  Boston Harbor
Peddocks Island, west of                              10      -0 33  +0 15  +0 01  -0 31   0.4  0.3   187  358  Boston Harbor
Moon Head, 0.9 n.mi. southeast of                     10      +0 39  +1 04  +1 32  +0 44   0.3  0.3   227  033  Boston Harbor
Squantum, 0.3 n.mi. southeast of                       8             Current weak and variable                  Boston Harbor

       BOSTON HARBOR-HINGHAM BAY     
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Weir River entrance                                   10      +0 18  +0 34  +0 47  +0 42   0.7  0.6   076  272  Boston Harbor
Strawberry Hill, 0.4 n.mi. west of                     6             Current weak and variable                  Boston Harbor
Crow Point, 0.2 n.mi. north of                        10      +0 14  -0 41  +0 09  +1 42   0.3  0.2   146  319  Boston Harbor
Bumkin Island, 0.1 n.mi. west of                      10      +0 07  +1 13  +0 42  +1 04   0.6  0.6   166  320  Boston Harbor
. . . do.                                             20      -0 14  +1 11  +1 02  +0 53   0.5  0.5   161  316  Boston Harbor
Windmill Point, 0.7 n.mi. SSE of                      10      +0 07  +0 35  +0 16  -1 29   1.0  0.4   128  350  Boston Harbor
. . . do.                                             25      +0 02  +0 50  +1 46  +1 01   0.9  0.1   136  315  Boston Harbor
Bumkin Island, 0.4 n.mi. west of                      10      -0 14  +0 46  +0 28  -2 46   0.5  0.2   195  303  Boston Harbor
Sheep Island, 0.3 n.mi. west of                       10      +0 20  +1 09  +1 20  +1 01   0.9  0.4   075  305  Boston Harbor
. . . do.                                             25      +1 19  +1 09  +1 37  -0 10   0.8  0.3   082  300  Boston Harbor
Grape Island and Lower Neck, between                  10      -0 14  -1 21  +0 11  +0 23   0.6  0.7   094  281  Boston Harbor
Grape Island                                          10      -0 38  +0 08  +0 43  -0 06   0.4  0.3   203  345  Boston Harbor
Pig Rock, north of                                    10      +0 49  -0 41  -0 10  +0 59   0.6  0.8   078  290  Boston Harbor
. . . do.                                             25      +0 44  +0 19  +1 26  +0 34   0.5  0.6   082  293  Boston Harbor
Pig Rock, northwest of                                20      +1 13  +0 47  +1 58  +1 12   0.9  0.7   085  283  Boston Harbor
Stodders Neck, Weymouth Back River                    10      -0 23  +0 49  +0 39  -0 31   0.5  0.2   268  093  Boston Harbor
Gull Point, 0.4 n.mi. ESE of                          10      -0 10  -0 37  +0 13  +0 07   0.4  0.4   229  069  Boston Harbor
. . . do.                                             25      -0 40  -0 47  +0 47  +0 19   0.4  0.1   235  042  Boston Harbor
Kings Cove, off                                       10      -0 13  -1 26  +0 02  -0 46   0.3  0.3   242  063  Boston Harbor
Germantown Point                                      20      +0 14  +0 49  +0 54  +0 13   0.3  0.3   269  070  Boston Harbor
Pine Point, southeast of                              10      -0 58  +1 00  +0 53  -1 16   0.2  0.1   149  303  Boston Harbor
Philip Head, Town River Bay                           10      +0 20  +1 28  +1 16  +0 29   0.3  0.2   289  095  Boston Harbor
Hole Point Reach, Town River                          10             Negligible current                         Boston Harbor

              CAPE COD BAY           
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Race Point, 7 miles north of                                  -0 01  -0 01  -0 01  -0 01   1.4  1.2   290  - -  Boston Harbor
Race Point, 1 mile northwest of                               -0 06  -0 06  -0 06  -0 06   0.9  0.8   226  061  Boston Harbor
Provincetown Harbor                                           +0 04  +0 04  +0 04  +0 04   0.5  0.3   315  135  Boston Harbor
Wellfleet Harbor                                              +0 09  +0 09  +0 09  +0 09   0.6  0.4   020  200  Boston Harbor
Barnstable Harbor                                             +0 19  +0 58  +0 22  +0 29   1.1  1.2   192  004  Boston Harbor
Sandwich Harbor                                                      Current weak and variable                  Boston Harbor
Sagamore Beach                                                       Current weak and variable                  Boston Harbor
Ellisville Harbor, 1 mile east of                             +0 14  +0 14  +0 14  +0 14   0.3  0.2   200  020  Boston Harbor
Manomet Point                                                 +0 04  +0 04  +0 04  +0 04   1.0  0.7   155  010  Boston Harbor
Gurnet Point, 1 mile east of                                  -0 06  -0 06  -0 06  -0 06   1.3  0.8   250  - -  Boston Harbor
Plymouth Harbor                                               +0 04  +0 04  +0 04  +0 04   0.5  0.3   245  010  Boston Harbor
Farnham Rock, 1 mile east of                                  -0 21  -0 21  -0 21  -0 21   1.0  0.8   180  010  Boston Harbor

     MASSACHUSETTS COAST-cont.       
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Old Man Shoal, Nantucket Shoals                               +1 23  +1 03  +1 17  +1 14   0.9  0.9   080  225  Pollock Rip Channel
Miacomet Pond, 3.0 miles SSE of                               +2 19  +2 03  +2 22  +2 16   0.6  0.8   080  280  Pollock Rip Channel
Tuckernuck Island, 4.2 miles SSW of                           +4 08  +3 13  +2 17  +3 56   0.3  0.6   090  280  Pollock Rip Channel
Martha's Vineyard, 1.4 miles S of #1                          - - -  -2 53  - - -  -2 47   0.1  0.1   230  095  Pollock Rip Channel

        NANTUCKET SOUND ENTRANCE     
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Pollock Rip Channel, east end                                 -0 14  -0 39  -0 23  -0 38   1.0  1.1   053  212  Pollock Rip Channel
POLLOCK RIP CHANNEL (Butler Hole)                                    Daily predictions                037  226  Pollock Rip Channel

            NANTUCKET SOUND          
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Monomoy Pt., channel 0.2 mile west of                          0 00  +0 39  +0 18  -0 23   0.8  1.2   170  346  Pollock Rip Channel
Chatham Roads                                                        Current weak and variable                  Pollock Rip Channel
Stage Harbor, west of Morris Island                           +3 07  +1 29  +2 24  +4 28   0.3  0.6   335  144  Pollock Rip Channel
Dennis Port, 2.2 miles south of                               +1 28  +0 52  +0 27  +1 04   0.2  0.2   077  269  Pollock Rip Channel
Monomoy Point, 6 miles west of                                +1 22  +1 52  +1 09  +1 22   0.2  0.3   090  275  Pollock Rip Channel
Handkerchief Lighted Whistle Buoy "H"                         +1 08  +1 10  +0 49  +0 59   0.6  0.8   080  251  Pollock Rip Channel
Halfmoon Shoal, 1.9 miles northeast of                        +1 42  +1 49  +1 24  +1 44   0.4  0.3   110  265  Pollock Rip Channel
Halfmoon Shoal, 3.5 miles east of                             +1 13  +1 23  +1 06  +1 11   0.5  0.6   088  295  Pollock Rip Channel
Great Point, 0.5 mile west of                                 +0 25  +1 37  +1 13  +0 33   0.6  0.7   029  195  Pollock Rip Channel
Great Point, 3 miles west of                                  +1 15  +1 23  +0 51  +1 08   0.4  0.5   066  248  Pollock Rip Channel
Tuckernuck Shoal, off east end                                +1 22  +1 34  +1 09  +1 10   0.5  0.5   113  287  Pollock Rip Channel
Brant Point, 2 miles NNW of  #1                               - - -  +1 43  - - -  +2 36   0.2  0.2   090  275  Pollock Rip Channel
Nantucket Harbor entrance channel                             +3 22  +1 55  +2 44  +3 58   0.6  0.9   171  350  Pollock Rip Channel
Eel Pt., Nantucket I. 2.5 miles NE of                         +1 13  +1 12  +1 02  +1 15   0.3  0.2   094  284  Pollock Rip Channel
Muskeget I., channel 1 mile northeast of                      +1 29  +0 45  +0 57  +0 56   0.6  0.9   108  295  Pollock Rip Channel
Muskeget Rock, 1.3 miles southwest of                         +1 10  +0 23  +0 57  +0 18   0.6  0.6   024  192  Pollock Rip Channel
Muskeget Channel                                              +1 40  +0 38  +1 29  +1 02   1.9  1.9   021  200  Pollock Rip Channel
Wasque Point, 2.0 miles southwest of                          +1 30  +1 04  +1 11  +0 32   0.6  0.6   075  280  Pollock Rip Channel
Long Shoal-Norton Shoal, between                              +1 31  +1 12  +1 26  +1 13   0.7  0.6   100  260  Pollock Rip Channel
Cape Poge Lt., 1.7 miles SSE of                               +0 58  -0 07  +0 49  +0 48   0.8  0.7   025  215  Pollock Rip Channel
Cross Rip Channel                                             +1 48  +1 48  +1 55  +1 59   0.6  0.5   091  272  Pollock Rip Channel
Cape Poge Lt., 3.2 miles northeast of                         +2 42  +2 03  +2 33  +2 37   0.8  0.7   095  300  Pollock Rip Channel
Broken Ground-Horseshoe Shoal, between                        +1 46  +1 55  +1 15  +1 20   0.5  0.5   107  276  Pollock Rip Channel
Point Gammon, 1.2 miles south of                              +1 15  +1 03  +1 06  +1 02   0.5  0.6   105  260  Pollock Rip Channel
Hyannis Harbor, entrance off breakwater                              Current weak and variable                  Pollock Rip Channel
Lewis Bay entrance channel                                    +2 46  +0 53  +2 44  +4 22   0.5  0.8   004  184  Pollock Rip Channel
Cotuit Bay entrance (Bluff Point)                             +2 44  +2 33  +2 51  +3 35   0.3  0.4   035  218  Pollock Rip Channel
Wreck Shoal-Eldridge Shoal, between                           +1 47  +1 32  +1 44  +1 45   0.8  0.8   062  245  Pollock Rip Channel
Hedge Fence Lighted Gong Buoy 22                              +2 48  +2 34  +2 38  +2 44   0.7  0.7   108  268  Pollock Rip Channel
Cape Poge Light, 1.4 miles west of                            +2 13  +1 54  +1 26  +1 39   0.2  0.1   095  250  Pollock Rip Channel
Edgartown, Inner Harbor                                       +0 25  -1 04  +0 35  -0 20   0.6  0.6   075  270  Pollock Rip Channel
Katama Pt., 0.6 mi. NNW of, Katama Bay                        +0 12  -0 43  +0 20  -0 31   0.3  0.3   325  180  Pollock Rip Channel
East Chop-Squash Meadow, between                              +2 07  +0 55  +1 43  +2 04   0.7  1.1   131  329  Pollock Rip Channel
East Chop, 1 mile north of                                    +2 40  +1 52  +2 17  +2 11   1.1  1.3   116  297  Pollock Rip Channel
Vineyard Haven                                                       Current weak and variable                  Pollock Rip Channel
West Chop, 0.8 mile north of                                  +2 49  +1 58  +2 20  +2 35   1.6  1.8   096  282  Pollock Rip Channel
Hedge Fence-L'Hommedieu Shoal, between                        +2 27  +1 38  +2 01  +1 52   1.0  1.3   106  276  Pollock Rip Channel
Waquoit Bay entrance                                          +3 21  +2 14  +3 40  +4 01   0.8  0.8   348  203  Pollock Rip Channel
L'Hommedieu Shoal, north of west end                          +2 30  +2 03  +2 12  +2 11   1.2  1.4   080  268  Pollock Rip Channel
Nobska Point, 1.8 miles east of                               +2 13  +1 45  +1 55  +1 49   1.2  1.0   063  240  Pollock Rip Channel

             VINEYARD SOUND          
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
West Chop, 0.2 mile west of                                   +1 19  +1 34  +1 50  +1 16   1.3  0.8   059  241  Pollock Rip Channel
Nobska Point, 1 mile southeast of                             +2 33  +2 15  +2 25  +2 19   1.3  1.4   071  259  Pollock Rip Channel
Norton Point, 0.5 mile north of                               +1 55  +1 44  +2 01  +1 12   1.7  1.4   050  240  Pollock Rip Channel
Tarpaulin Cove, 1.5 miles east of                             +2 49  +2 07  +2 12  +2 33   1.0  1.4   055  232  Pollock Rip Channel
Robinsons Hole, 1.2 miles southeast of                        +2 30  +1 51  +2 11  +2 02   1.0  1.2   060  240  Pollock Rip Channel
Gay Head, 3 miles northeast of                                +2 25  +1 50  +1 42  +2 11   0.5  0.8   081  238  Pollock Rip Channel
Menemsha Bight #6                                                                                               Pollock Rip Channel
Gay Head, 3 miles north of                                    +2 13  +1 24  +1 55  +1 17   0.6  0.7   074  255  Pollock Rip Channel
Gay Head, 1.5 miles northwest of                              +1 30  +0 54  +1 42  +1 16   1.0  1.2   012  249  Pollock Rip Channel

      VINEYARD SOUND-BUZZARDS BAY    
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Woods Hole #59 
     South end                                                +0 29  +1 40  +1 17  +0 08   0.4  0.2   135  318  Cape Cod Canal
     0.1 mile SW of Devils Foot Island                        +0 20  +1 41  +0 55  +0 31   0.9  0.8   094  276  Cape Cod Canal
     North end                                                -0 29  +1 25  +1 09  -0 04   0.2  0.2   160  007  Cape Cod Canal
Robinsons Hole
     South end                                                +1 14  +1 42  +1 20  +1 01   0.2  0.2   162  339  Cape Cod Canal
     Middle                                                   +1 30  +2 00  +1 02  +0 47   0.7  0.6   146  316  Cape Cod Canal
     North end                                                +1 54  +2 00  +0 52  +1 17   0.2  0.3   161  338  Cape Cod Canal
Quicks Hole
     South end                                                +2 18  +1 42  +1 17  +0 53   0.5  0.4   140  300  Cape Cod Canal
     Middle                                                   +2 21  +2 00  +1 26  +0 41   0.6  0.5   167  339  Cape Cod Canal
     North end                                                +2 42  +2 06  +1 44  +0 23   0.5  0.6   165  002  Cape Cod Canal
Canapitsit Channel                                            +2 03  +2 27  +1 02  +0 26   0.6  0.4   156  312  Cape Cod Canal
Westport River entrance                                       +0 09  -0 05  -0 26  -1 13   1.1  1.5   290  108  Pollock Rip Channel

            BUZZARDS BAY #7          
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
Ribbon Reef-Sow & Pigs Reef, between                          -0 19  -1 31  -2 44  -1 54   0.4  0.7   062  237  Pollock Rip Channel
Penikese Island, 0.8 mile northwest of                        -1 37  -0 25  -0 55  -0 57   0.6  0.6   050  254  Pollock Rip Channel
Penikese Island, 0.2 mile south of                            -1 43  -0 15  -1 30  -2 39   0.4  0.5   093  287  Pollock Rip Channel
Gull I. and Nashawena I., between                             -2 15  -0 57  -2 01  -2 41   0.5  0.6   091  247  Pollock Rip Channel
Weepecket Island, south of                                    -3 16  -1 07  -1 28  -2 27   0.4  0.4   069  255  Pollock Rip Channel
Quamquisset Harbor entrance                                          Current weak and variable                  Pollock Rip Channel
West Falmouth Harbor entrance                                        Current weak and variable                  Pollock Rip Channel
Megansett Harbor                                                     Current weak and variable                  Pollock Rip Channel
Abiels Ledge, 0.4 mile south of                               +0 26  -0 36  -0 06  -0 23   0.4  0.6   035  216  Pollock Rip Channel
Dumpling Rocks, 0.2 mile southeast of                         -1 43  -1 03  -1 32  -2 09   0.4  0.6   066  190  Pollock Rip Channel
Apponaganset Bay                                                     Current weak and variable                  Pollock Rip Channel
Clarks Cove                                                          Current weak and variable                  Pollock Rip Channel
New Bedford Harbor and approaches                                    Current weak and variable                  Pollock Rip Channel
West Island and Long Island, between                                 Current weak and variable                  Pollock Rip Channel
West Island, 1 mile southeast of                       6      -0 43  -0 43  -1 28  -1 42   0.4  0.5   079  203
Nasketucket Bay                                                      Current weak and variable                  Pollock Rip Channel
Mattapoisett Harbor                                                  Current weak and variable                  Pollock Rip Channel
Sippican Harbor                                                      Current weak and variable                  Pollock Rip Channel
Wareham River, off Long Beach Point                           -1 41  -0 31  -1 22  -1 23   0.3  0.4   022  202  Pollock Rip Channel
Wareham River, off Barneys Point                              -1 49  -0 27  -1 22  -1 31   0.4  0.4   010  185  Pollock Rip Channel
Onset Bay, south of Onset Island                                     Current weak and variable                  Cape Cod Canal
Onset Bay, south of Wickets Island                                   Current weak and variable                  Cape Cod Canal

             CAPE COD CANAL          
                                                              Minimum       Minimum         Speed    Direction
                                                              Before Flood  Before  Ebb     Ratio    At Maximum
Station                                              Depth    Flood         Ebb           Flood Ebb  Flood Ebb  Reference Station
CAPE COD CANAL, railroad bridge                                      Daily predictions                070  250  Cape Cod Canal
Bourne Highway bridge                                         -0 03  -0 01  -0 03  -0 04   0.8  0.9   065  245  Cape Cod Canal
Bournedale                                                    -0 07  -0 03  -0 09  -0 10   0.8  0.8   030  210  Cape Cod Canal
Sagamore Bridge                                               -0 09  -0 04  -0 11  -0 13   0.7  0.6   095  275  Cape Cod Canal
Cape Cod Canal, east end                              15      -0 13  -0 06  -0 17  -0 19   0.6  0.6   065  245  Cape Cod Canal