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Tidal Station Locations and Ranges
MAINE Mean Spring Mean Tide 
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions EASTPORT 44° 54.2' 66° 59.1' 18.35 21.18 9.6
Cobscook Bay
Predictions Garnet Point, Pennamquan River 44° 55.4' 67° 07.8' 19.17 22.05 10.04
Predictions Coffins Point 44° 52.2' 67° 06.5' 17.3 19.7 9.0
Predictions Birch Islands 44° 52.5' 67° 09.5' 17.4 19.8 9.0
Predictions Cutler, Little River 44° 39.4' 67° 12.6' 13.5 15.4 7.1
Predictions Cutler, Naval Radio Station 44° 38.5' 67° 17.8' 12.8 14.6 6.8
Predictions Stone Island, Machias Bay 44° 36.2' 67° 22.1' 12.4 14.1 6.5
Predictions Machiasport, Machias River 44° 41.9' 67° 23.6' 12.6 14.4 6.6
Predictions Shoppee Point, Englishman Bay 44° 36.9' 67° 29.8' 12.1 13.8 6.2
Predictions Steele Harbor Island 44° 29.6' 67° 32.6' 11.6 13.3 6.2
Predictions Millbridge, Narraguagus River, Maine 44° 32.4' 67° 52.5' 11.31 12.89 6.03
Predictions Green Island, Petit Manan Bar 44° 22.3' 67° 52.2' 10.6 12.2 5.7
Predictions Prospect Harbor 44° 24' 68° 1' 10.5 12.1 5.7
Predictions Winter Harbor, Frenchman Bay 44° 23.3' 68° 05.2' 10.1 11.6 5.4
Mount Desert Island
Predictions BAR HARBOR 44° 23.5' 68° 12.3' 10.56 12.25 5.66
Predictions Southwest Harbor 44° 16.5' 68° 18.8' 10.2 11.7 5.5
Predictions Bass Harbor 44° 14.5' 68° 21.2' 9.9 11.3 5.4
Blue Hill Bay
Predictions Blue Hill Harbor 44° 24.5' 68° 33.8' 10.1 11.6 5.4
Predictions Mackerel Cove 44° 10.2' 68° 26.1' 10.0 11.5 5.4
Predictions Ellsworth, Union River 44° 32.1' 68° 25.3' 10.59 12.07 5.67
Predictions Burnt Coat Harbor, Swans Island 44° 08.7' 68° 27.0' 9.5 10.8 5.1
Penobscot Bay Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Eggemoggin Reach
Predictions Center Harbor 44° 15.8' 68° 35.2' 10.1 11.5 5.4
Predictions Little Deer Isle 44° 17.5' 68° 41.6' 10.0 11.5 5.4
Predictions Isle Au Haut 44° 04.4' 68° 38.2' 9.3 10.7 5.0
Predictions Stonington, Deer Isle 44° 09.2' 68° 39.7' 9.7 11.2 5.2
Predictions Matinicus Harbor, Wheaton Island 43° 51.7' 68° 52.9' 9.0 10.4 4.8
Predictions Vinalhaven, Vinalhaven Island 44° 02.6' 68° 50.4' 9.3 10.7 5.0
Predictions North Haven 44° 07.6' 68° 52.4' 9.7 11.2 5.3
Predictions Pulpit Harbor, North Haven Island 44° 09.4' 68° 53.2' 9.85 11.43 5.30
Predictions Castine 44° 23.2' 68° 47.8' 10.1 11.6 5.4
Penobscot River
Predictions Gross Point, Eastern Channel 44° 32.2' 68° 45.5' 10.4 12.0 5.6
Predictions Bucksport 44° 34.3' 68° 48.1' 10.8 12.4 5.8
Predictions Winterport 44° 38.2' 68° 50.5' 11.76 13.64 6.22
Predictions Sandy Point 44° 40.3' 68° 48.3' 10.5 12.1 5.6
Predictions Bangor 44° 47.7' 68° 46.3' 13.40 14.97 7.03
Predictions Belfast 44° 25.6' 69° 00.3' 10.23 11.66 5.51
Predictions Rockland 44° 06.3' 69° 06.1' 9.78 11.15 5.28
MAINE, outer coast Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Tenants Harbor 43° 57.9' 69° 13.0' 9.3 10.6 5.0
Predictions Monhegan Island 43° 45.9' 69° 19.3' 8.8 10.1 4.7
Predictions Burnt Island, Georges Islands 43° 52.3' 69° 17.7' 8.9 10.2 4.8
St. George River
Predictions Port Clyde 43° 55.5' 69° 15.6' 8.9 10.2 4.8
Predictions Otis Cove 43° 59.2' 69° 14.2' 9.1 10.5 4.9
Predictions Thomaston 44° 04.3' 69° 10.9' 9.4 10.8 5.0
Predictions New Harbor, Muscongus Bay 43° 52.5' 69° 29.4' 8.8 10.1 4.7
Predictions Muscongus Harbor, Muscongus Sound 43° 58.0' 69° 26.5' 9.0 10.4 4.8
Predictions Friendship Harbor 43° 58.2' 69° 20.5' 9.0 10.4 4.8
Medomak River
Predictions Jones Neck 44° 00.9' 69° 22.8' 9.1 10.5 4.9
Predictions Waldoboro 44° 05.6' 69° 22.6' 9.5 10.9 5.1
Predictions Pemaquid Harbor, Johns Bay 43° 52.6' 69° 31.5' 8.8 10.1 4.7
Damariscotta River
Predictions East Boothbay 43° 51.9' 69° 35.0' 8.9 10.2 4.8
Predictions Walpole 43° 56.0' 69° 34.8' 9.35 10.66 5.05
Predictions Newcastle 44° 02.0' 69° 32.2' 9.3 10.7 5.0
Predictions Damariscove Harbor, Damariscove Island 43° 45.5' 69° 36.9' 8.8 10.1 4.7
Predictions Boothbay Harbor 43° 51.1' 69° 37.7' 8.8 10.1 4.7
Predictions Southport, Townsend Gut 43° 50.8' 69° 39.7' 8.9 10.2 4.8
Sheepscot River
Predictions Isle of Springs 43° 51.6' 69° 41.2' 8.9 10.3 4.8
Predictions Cross River entrance 43° 55.5' 69° 40.2' 9.1 10.5 4.9
Predictions Wiscasset 44° 00.0' 69° 40.0' 9.4 10.8 5.0
Predictions Sheepscot (below rapids) 44° 03.0' 69° 37.1' 9.6 11.0 5.2
Predictions Back River 43° 57.5' 69° 41.1' 9.1 10.5 4.9
Predictions Robinhood, Sasanoa River 43° 51.2' 69° 44.0' 8.8 10.1 4.7
Predictions Mill Point, Sasanoa River 43° 53.2' 69° 45.8' 8.8 10.1 4.7
Kennebec River
Predictions Fort Popham, Hunniwell Point 43° 45.3' 69° 47.3' 8.4 9.7 4.5
Predictions Phippsburg 43° 49.1' 69° 48.6' 8.0 9.2 4.3
Predictions Bath 43° 55.1' 69° 48.8' 6.4 7.4 3.4
Predictions Sturgeon Island, Merrymeeting Bay 43° 58.9' 69° 50.1' 5.3 6.1 2.8
Predictions Androscoggin River entrance 43° 57.0' 69° 53.3' 4.7 5.4 2.5
Predictions Brunswick, Androscoggin River 43° 55.3' 69° 57.8' 3.8 4.4 2.0
Predictions Bowdoinham, Cathance River 44° 00.5' 69° 53.7' 5.7 6.6 3.1
Casco Bay Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Cundy Harbor, New Meadows River 43° 47.3' 69° 53.6' 8.9 10.2 4.8
Predictions Howard Point, New Meadows River 43° 53.4' 69° 53.0' 9.0 10.3 4.8
Predictions South Harpswell, Potts Harbor 43° 44.3' 70° 01.4' 8.9 10.2 4.8
Predictions Wilson Cove, Middle Bay 43° 49.5' 69° 58.6' 9.1 10.5 4.9
Predictions South Freeport 43° 49.2' 70° 06.2' 9.0 10.3 4.8
Predictions Prince Point 43° 45.7' 70° 10.4' 9.19 10.57 4.90
Predictions Doyle Point 43° 45.1' 70° 08.4' 9.2 10.5 4.9
Predictions Falmouth Foreside 43° 43.9' 70° 12.3' 9.16 10.53 4.91
Predictions Great Chebeague Island 43° 43.3' 70° 08.5' 9.11 10.48 4.91
Predictions Cliff Island, Luckse Sound 43° 41.7' 70° 06.6' 9.1 10.4 4.9
Predictions Vaill Island 43° 40.6' 70° 09.3' 9.0 10.3 4.8
Predictions Long Island 43° 41.4' 70° 10.2' 9.09 10.45 4.89
Predictions Cow Island 43° 41.4' 70° 11.4' 9.11 10.48 4.89
Predictions Presumpscot River Bridge 43° 41.4' 70° 14.8' 9.2 10.6 5.0
Predictions Back Cove 43° 41' 70° 15' 9.1 10.5 4.9
Predictions Great Diamond Island 43° 40.2' 70° 12.0' 9.08 10.44 4.89
Predictions Peak Island 43° 39.3' 70° 12.0' 9.0 10.4 4.8
Predictions Cushing Island 43° 38.7' 70° 11.9' 9.02 10.37 4.87
Predictions PORTLAND 43° 39.6' 70° 14.8' 9.12 10.53 4.91
Predictions Fore River 43° 38.5' 70° 17.1' 9.16 10.53 4.93
Predictions Portland Head Light 43° 37.4' 70° 12.4' 8.89 10.13 4.78
MAINE, outer coast-cont. Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Old Orchard Beach 43° 31' 70° 22' 8.8 10.1 4.7
Predictions Camp Ellis, Saco River Entrance 43° 27.7' 70° 22.9' 8.92 10.17 4.79
Predictions Biddeford, Saco River 43° 29.5' 70° 26.8' 9.06 10.33 4.86
Predictions Cape Porpoise 43° 22.0' 70° 25.9' 8.7 9.9 4.7
Predictions Kennebunkport 43° 21.5' 70° 28.6' 8.84 10.08 4.76
Predictions Wells, Webhannet River 43° 19.2' 70° 33.8' 8.81 10.04 4.73
Predictions Cape Neddick 43° 10.0' 70° 35.6' 8.69 9.99 4.68
Predictions York Harbor 43° 07.9' 70° 38.5' 8.6 9.9 4.6
Predictions Fort Point, York Harbor 43° 07.8' 70° 38.3' 8.69 9.99 4.66
Predictions Seapoint, Cutts Island 43° 05.1' 70° 39.7' 8.8 10.1 4.7
MAINE and NEW HAMPSHIRE Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Portsmouth Harbor
Predictions Jaffrey Point 43° 03.4' 70° 43.9' 8.7 10.0 4.7
Predictions Gerrish Island 43° 04.0' 70° 41.7' 8.7 10.0 4.7
Predictions Fort Point 43° 04.3' 70° 42.7' 8.6 9.9 4.6
Predictions Kittery Point 43° 04.9' 70° 42.2' 8.7 10.0 4.7
Predictions Seavey Island 43° 5' 70° 45' 8.1 9.4 4.4
Predictions Portsmouth 43° 04.7' 70° 45.1' 7.8 9.0 4.2
Piscataqua River
Predictions Atlantic Heights 43° 05.4' 70° 46.0' 7.5 8.6 4.0
Predictions Dover Point 43° 7' 70° 50' 6.4 7.4 3.4
Predictions Dover, Cocheco River 43° 11.9' 70° 52.1' 7.04 8.03 3.78
Predictions Salmon Falls River 43° 11.4' 70° 49.5' 6.8 7.8 3.6
Predictions Squamscott River RR. Bridge 43° 03.2' 70° 54.8' 6.8 7.8 3.6
Predictions Gosport Harbor, Isles of Shoals 42° 58.7' 70° 36.9' 8.5 9.8 4.5
Predictions Hampton Harbor 42° 54' 70° 49' 8.3 9.5 4.5
Revised: 3 November 2008