####018004918#### FZUS81 KCLE 041925 ICELIO GREAT LAKES ICE OUTLOOK NATIONAL WEATHER SERVICE CLEVELAND OHIO 325 PM EDT FRI APR 4 2008 HIGH PRESSURE WILL SETTLE OVER THE SOUTHERN LAKES ON SATURDAY WHILE A FAST MOVING CLIPPER WILL MOVE ACROSS THE NORTHERN LAKES. A STATIONARY FRONT ASSOCIATED WITH THE CLIPPER WILL REMAIN ACROSS THE NORTHERN LAKES ON SUNDAY WITH HIGH PRESSURE REMAINING IN CONTROL ELSEWHERE. ON MONDAY LOW PRESSURE WILL DEVELOP ALONG THIS STATIONARY FRONT AND PUSH A COLD FRONT ACROSS ALL OF THE GREAT LAKES MONDAY AFTERNOON THROUGH MONDAY EVENING. HIGH PRESSURE WILL BRIEFLY RETURN ON TUESDAY ACROSS ALL THE LAKES HOWEVER ANOTHER AREA OF LOW PRESSURE WILL MOVE ACROSS THE WESTERN LAKES TUESDAY AFTERNOON AND ACROSS THE EASTERN LAKES TUESDAY NIGHT. THE LOW WILL SLOWLY MOVE INTO NORTHERN ONTARIO ON WEDNESDAY WITH HIGH PRESSURE RETURNING TO ALL THE LAKES WEDNESDAY AFTERNOON. WINDS TONIGHT WILL BE OUT OF THE SOUTHWEST ON LAKES SUPERIOR MICHIGAN AND HURON WHILE BECOMING LIGHT AND VARIABLE ON LAKE ERIE. WINDS SATURDAY AND SATURDAY NIGHT WILL BE OUT OF THE NORTHEAST ON LAKE SUPERIOR...OUT OF THE SOUTH ON LAKES MICHIGAN AND HURON...AND OUT OF THE NORTHEAST ON LAKE ERIE. TEMPERATURES ON SATURDAY WILL BE NEAR NORMAL ON ALL LAKES. FROM SUNDAY THROUGH WEDNESDAY TEMPERATURES ON THE NORTHERN LAKES WILL REMAIN NEAR NORMAL WHILE TEMPERATURES ACROSS THE REMAINING LAKES WILL CLIMB ABOVE NORMAL. ICE GROWTH WILL BE SLOW AND WILL BE CONFINED TO THE NIGHT TIME HOURS ACROSS THE NORTHERN LAKES ONLY. ELSEWHERE MODERATE TO RAPID ICE DECAY WILL PREVAIL THROUGH NEXT WEEK. MODERATE ICE DECAY IS LIKELY ON THE NORTHERN LAKES DURING THE DAYTIME HOURS. THE COAST GUARD CUTTER MACKINAW REPORTED ON THURSDAY THAT WHILE UNDERWAY IN WHITEFISH BAY THERE WAS 100 PERCENT COVERAGE OF 14 TO 20 INCH PLATE ICE FROM 0.7NM SOUTHEAST OF GROS CAP REEFS LIGHT TO 4.5NM NORTHWEST OF GROS CAP REEFS LIGHT. THERE WAS 6 TO 10 INCHES OF SNOW COVER ON THE ICE WITH AREAS OF HEAVY PRESSURIZED REFROZEN BRASH 3 TO 6 FEET THICK. THE ESTABLISHED TRACK IS HOLDING AND FRACTURES WERE OBSERVED ON THE SHORE OF GROS CAP. FROM 4.5NM NORTHWEST OF GROS CAP REEFS LIGHT TO 8.5NM SOUTHEAST OF WHITEFISH POINT THERE WAS 80 PERCENT COVERAGE OF 8 TO 16 INCH BROKEN PLATE ICE WITH 2 TO 4 FOOT THICK PANCAKE FLOES. THERE WAS OPEN WATER IN THE ESTABLISHED TRACK FROM 7.5NM NORTHWEST OF GROS CAP REEFS LIGHT TO THE NORTHERN ICE EDGE 8.5NM SOUTHEAST OF WHITEFISH POINT. THE MACKINAW ALSO REPORTED THAT THERE WERE MASSIVE PLATES OF ICE WHICH HAVE BROKEN FREE SOUTH OF WHITEFISH POINT AND THEY HAD DRIFTED NORTHEAST COLLAPSING WEDNESDAYS ESTABLISHED TRACK ABEAM OF ILE PARISIENNE. THEY WORKED THROUGH THE DAY TO RE-ESTABLISH TWO WAY TRACKS FROM GROS CAP TO THE ICE EDGE. THE COAST GUARD CUTTER KATMAI BAY REPORTED ON WEDNESDAY THAT WHILE UNDERWAY IN THE ST MARYS RIVER THERE WAS 20 PERCENT COVERAGE OF 6 TO 12 INCH BROKEN PLATE ICE FROM SAULT HARBOR TO 6 MILE. THIS AREA WAS CLOSED TO SMALL CRAFT AND THE ICE EDGE WAS LOCATED AT LIGHT 88. FROM 6 MILE TO 9 MILE THERE WAS 80 PERCENT COVERAGE OF 8 TO 14 INCH SNOW COVERED BROKEN PLATE ICE...TRAVEL WAS DIFFICULT. FROM 9 MILE TO MOON ISLAND THERE WAS 100 PERCENT COVERAGE OF 12 TO 20 INCH SNOW COVERED PLATE ICE...TRAVEL WAS DIFFICULT. FROM MOON ISLAND TO MUD LAKE JUNCTION BUOY THERE WAS 100 PERCENT COVERAGE OF 12 TO 20 INCH SNOW COVERED BROKEN PLATE ICE. TRAVEL WAS DIFFICULT. THE KATMAI BAY ALSO REPORTED ON THURSDAY THAT FROM LIME ISLAND TO MUD LAKE JUNCTION BUOY THERE WAS 90 PERCENT COVERAGE OF 8 TO 24 INCH BROKEN PLATE ICE. FROM MUD LAKE JUNCTION BUOY TO JOHNSON POINT THERE WAS 100 PERCENT COVERAGE OF 8 TO 18 INCH SNOW COVERED BROKEN PLATE ICE. THERE WAS HEAVY BRASH UP TO 3 FEET DEEP IN THE WINTER POINT AND JOHNSON POINT TURNS. FROM JOHNSON POINT TO 9 MILE THERE WAS 90 PERCENT COVERAGE OF 6 TO 18 INCH SNOW COVERED BROKEN PLATE ICE. THERE WAS HEAVY BRASH IN THE STRIBLING POINT TURN. FROM 9 MILE TO SAWMILL POINT THERE WAS 90 PERCENT COVERAGE OF 6 TO 20 INCH SNOW COVERED BROKEN PLATE ICE. THERE WAS HEAVY BRASH IN THE ROCK CUT. FROM SAWMILL POINT TO MUD LAKE JUNCTION BUOY THERE WAS 100 PERCENT COVERAGE OF 6 TO 18 INCH PLATE ICE. THE COAST GUARD CUTTER HOLLYHOCK REPORTED ON THURSDAY THAT WHILE UNDERWAY IN THE SOUTH CHANNEL IN THE STRAITS OF MACKINAC THERE WAS 90 PERCENT COVERAGE OF 6 TO 18 INCH FAST SNOW COVERED PLATE ICE FROM 1NM EAST OF THE MACKINAC BRIDGE TO 2NM WEST OF THE 14 FOOT SHOAL. THERE WERE ALSO 2 TO 3 FOOT WINDROWS. FROM 1NM WEST OF THE MACKINAC BRIDGE TO 3NM WEST OF WHITE SHOAL LIGHT THERE WAS 90 PERCENT COVERAGE OF 12 TO 24 INCH DRIFTING SNOW COVERED PLATE ICE WITH 2 TO 3 FOOT WINDROWS. THERE WERE LARGE OPEN POOLS OF WATER.