234
FZUS63 KMKX 271451
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
851 AM CST FRI FEB 27 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
SOUTHWEST WINDS WILL BECOME GUSTY TODAY, AHEAD OF AN APPROACHING
COLD FRONT. WINDS WILL BECOME WEST TO NORTHWEST AND REMAIN GUSTY
THIS EVENING AND OVERNIGHT, BEHIND THE COLD FRONT. A FEW GUSTS TO
GALE FORCE ARE EXPECTED IN THE NORTHERN THIRD OF THE LAKE THIS
AFTERNOON AND EVENING. BREEZY NORTH TO NORTHWEST WINDS ARE THEN
EXPECTED TO LINGER INTO THE WEEKEND. THESE WINDS WILL WEAKEN BY
SUNDAY NIGHT, AS HIGH PRESSURE AROUND 30.6 INCHES BUILDS INTO THE
UPPER MIDWEST.
LMZ261-362-364-366-563-565-567-868-272215-
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-
851 AM CST FRI FEB 27 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
REST OF TODAY
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT.
WAVES 2 TO 4 FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO 12 FT.
TONIGHT
WEST WINDS TO 30 KT BECOMING NORTHWEST. FREEZING SPRAY
OVERNIGHT. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.
SATURDAY
NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. CHANCE OF SNOW IN THE AFTERNOON. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT.
SATURDAY NIGHT
NORTH WINDS 10 TO 20 KT. CHANCE OF SNOW
OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT.
SUNDAY
NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
IN THE AFTERNOON. WAVES 3 TO 5 FT SUBSIDING TO 1 TO 3 FT.
SUNDAY NIGHT
WEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MONDAY
SOUTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT BUILDING
TO 2 TO 4 FT.
TUESDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-272215-
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-
851 AM CST FRI FEB 27 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
REST OF TODAY
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT.
WAVES 2 TO 4 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
TONIGHT
WEST WINDS TO 30 KT BECOMING NORTHWEST 15 TO 25 KT.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
SATURDAY
NORTH WINDS 10 TO 20 KT. CHANCE OF SNOW. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT.
SATURDAY NIGHT
NORTH WINDS 10 TO 20 KT. CHANCE OF SNOW
OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
SUNDAY
NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
MONDAY
EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST. WAVES 2 TO
4 FT.
TUESDAY
SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST 10 TO 15 KT.
CHANCE OF RAIN AND SNOW. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 3 TO 5 FT.
LMZ761-272215-
MAFOR 2717/
MICHIGAN NORTH 13540 11650 12740 11730 11720. WAVES 3 TO 5 FEET
BUILDING TO 5 TO 8 FEET THIS AFTERNOON. WAVES 5 TO 8 FEET
TONIGHT. WAVES 3 TO 6 FEET SATURDAY MORNING.
MICHIGAN SOUTH 12540 11530 11640 11740 11730 11720 11820. WAVES 3
TO 6 FEET BUILDING TO 4 TO 7 FEET THIS AFTERNOON. WAVES 5 TO 8
FEET TONIGHT. WAVES 3 TO 6 FEET SATURDAY MORNING.
WAGNER
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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