776
FZUS63 KMKX 100804
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
304 AM CDT WED SEP 10 2025
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
LIGHT WINDS ARE EXPECTED TODAY THROUGH FRIDAY, UNDER THE
INFLUENCE OF HIGH PRESSURE AROUND 30.4 INCHES THAT WILL SLOWLY
MOVE EAST SOUTHEAST FROM NORTHERN ONTARIO TO SOUTHERN QUEBEC. HIGH
PRESSURE AROUND 30.2 INCHES WILL THEN LINGER OVER NEW ENGLAND
THIS WEEKEND INTO EARLY NEXT WEEK, WITH LOW PRESSURE AROUND 29.9
INCHES SHIFTING NORTHWARD THROUGH THE NORTHERN PLAINS. SOUTH WINDS
WILL PICK UP ON SATURDAY, THEN BECOME GENERALLY EASTERLY SUNDAY
INTO EARLY NEXT WEEK.
LMZ261-362-364-366-563-565-567-868-101530-
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-
304 AM CDT WED SEP 10 2025
SHEBOYGAN WI TO PENTWATER MI NORTH...
TODAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST 5 TO 10 KT.
WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.
TONIGHT
EAST WINDS LESS THAN 10 KT BECOMING NORTHEAST. WAVES
1 FT OR LESS.
THURSDAY
NORTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 FT OR LESS.
THURSDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTHEAST.
WAVES 1 FT OR LESS.
FRIDAY
SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT. WAVES
1 TO 2 FT.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO
15 KT. CHANCE OF SHOWERS. WAVES 1 TO 2 FT.
SATURDAY
SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
SUNDAY
EAST WINDS 10 TO 15 KT BECOMING NORTHEAST 10 TO 20 KT.
WAVES 1 TO 2 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-101530-
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-
304 AM CDT WED SEP 10 2025
SHEBOYGAN WI TO PENTWATER MI SOUTH...
TODAY
SOUTH WINDS 5 TO 10 KT BECOMING EAST. WAVES 1 TO 2 FT.
TONIGHT
NORTHEAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THURSDAY
EAST WINDS 5 TO 10 KT BECOMING NORTH 10 TO 15 KT.
WAVES 1 FT OR LESS.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 15 KT BECOMING EAST 5 TO
10 KT. WAVES 1 TO 2 FT.
FRIDAY
SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT. WAVES
1 TO 2 FT.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH. WAVES
1 TO 3 FT.
SATURDAY
SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
SUNDAY
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST 10 TO 15 KT.
WAVES 1 TO 2 FT.
LMZ761-101530-
MAFOR 1010/
MICHIGAN NORTH 11410 11400 12500 11200 13100. WAVES 1 TO 3 FEET
SUBSIDING TO 1 FOOT OR LESS TODAY. WAVES 1 FOOT OR LESS TONIGHT.
MICHIGAN SOUTH 13400 11300 14100. WAVES 2 FEET OR LESS.
WOOD
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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