138
FZUS63 KMKX 251357
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
757 AM CST WED FEB 25 2026
FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH
IS THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.
SYNOPSIS
BREEZY NORTHWEST WINDS ARE EXPECTED TODAY IN THE WAKE OF LOW
PRESSURE AND AN ASSOCIATED COLD FRONT. LIGHTER WINDS WILL RETURN
TONIGHT INTO THURSDAY AS HIGH PRESSURE OF 30.0 INCHES MOVES
THROUGH THE GREAT LAKES. SOUTH TO SOUTHWEST WINDS WILL THEN PICK
UP LATER THURSDAY INTO FRIDAY AS LOW PRESSURE OF 29.3 INCHES OVER
SASKATCHEWAN DEEPENS TO 29.1 INCHES OVER ONTARIO. THE ASSOCIATED
COLD FRONT WILL CROSS LAKE MICHIGAN FRIDAY EVENING INTO FRIDAY
NIGHT, WITH WINDS BECOMING NORTHWEST BEHIND THE FRONT. A FEW
GALES WILL BE POSSIBLE ACROSS NORTHERN PORTIONS OF THE LAKE FRIDAY
AFTERNOON INTO FRIDAY NIGHT.
LMZ261-362-364-366-563-565-567-868-252215-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
757 AM CST WED FEB 25 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
REST OF TODAY
NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. FREEZING SPRAY THIS MORNING. SLIGHT CHANCE OF LIGHT
FREEZING RAIN AND SNOW THIS AFTERNOON. WAVES 6 TO 9 FT
OCCASIONALLY TO 12 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT.
TONIGHT
NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO 15 KT.
WAVES 3 TO 5 FT SUBSIDING TO 1 TO 3 FT.
THURSDAY
WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 15 KT
LATE IN THE MORNING, THEN INCREASING TO 10 TO 20 KT EARLY IN THE
AFTERNOON BECOMING SOUTHWEST 10 TO 20 KT LATE. CHANCE OF SNOW IN
THE AFTERNOON. WAVES 1 TO 2 FT BUILDING TO 3 TO 5 FT.
THURSDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
FRIDAY
SOUTHWEST WINDS TO 30 KT INCREASING TO GALES TO 35 KT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT.
FRIDAY NIGHT
WEST GALES TO 35 KT BECOMING NORTHWEST. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
SATURDAY
NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT.
SUNDAY
NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-252215-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
757 AM CST WED FEB 25 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
REST OF TODAY
NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. FREEZING SPRAY. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT
SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 12 FT.
TONIGHT
NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT.
THURSDAY
WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 15 KT
LATE IN THE MORNING, THEN INCREASING TO 10 TO 20 KT EARLY IN THE
AFTERNOON BECOMING SOUTHWEST 10 TO 20 KT LATE. WAVES 2 TO 4 FT.
THURSDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 2 TO 4 FT.
FRIDAY
SOUTHWEST WINDS 15 TO 25 KT INCREASING TO 30 KT. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO 8 FT OCCASIONALLY
TO 10 FT.
FRIDAY NIGHT
SOUTHWEST WINDS TO 30 KT BECOMING NORTHWEST.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
SATURDAY
NORTHWEST WINDS 15 TO 25 KT BECOMING NORTH 10 TO
20 KT. CHANCE OF SNOW. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
SUNDAY
NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST 10 TO 20 KT.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
LMZ761-252215-
MAFOR 2517/
MICHIGAN NORTH 13730 12720 11710 11610 11510. WAVES 4 TO 7 FEET
SUBSIDING TO 3 TO 6 FEET THIS AFTERNOON. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 2 FEET OR LESS THURSDAY
MORNING.
MICHIGAN SOUTH 12730 12720 11710 11700 11600 11500. WAVES 6 TO 9
FEET SUBSIDING TO 4 TO 7 FEET THIS AFTERNOON. WAVES 3 TO 6 FEET
SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 2 FEET OR LESS THURSDAY
MORNING.
DDV
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/MKX/GLFTABLE
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
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