185
FZUS63 KMKX 260816
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
316 AM CDT SAT SEP 26 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
NO MAJOR CHANGES TO THE FORECAST THIS MORNING. HIGH PRESSURE
AROUND 30.3 INCHES WILL LINGER OVER SOUTHERN ONTARIO CANADA AND
THE GREAT LAKES THROUGH THE WEEKEND AND INTO MONDAY, GRADUALLY
WEAKENING TO 30.1 INCHES. QUIET WEATHER EXPECTED THROUGH SAID
PERIOD, WITH LIGHT NORTHEAST TO SOUTHEAST WINDS (LIGHT AND
VARIABLE AT TIMES).
HIGH PRESSURE WILL PROGRESS INTO THE OHIO VALLEY EARLY TUESDAY,
ALLOWING WINDS TO TURN SOUTH AND INCREASE AS LOW PRESSURE
APPROACHES FROM THE WEST.
LMZ261-362-364-366-563-565-567-868-261530-
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-
316 AM CDT SAT SEP 26 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
TODAY
SOUTHEAST WINDS 5 TO 10 KT BACKING TO NORTHEAST. WAVES
1 TO 2 FT.
TONIGHT
NORTHEAST WINDS 10 TO 15 KT VEERING TO SOUTHEAST.
WAVES 1 FT OR LESS.
SUNDAY
SOUTHEAST WINDS LESS THAN 10 KT BECOMING EAST LATE IN
THE MORNING, THEN BECOMING NORTH EARLY IN THE AFTERNOON BECOMING
NORTH 10 TO 15 KT LATE. WAVES 1 FT OR LESS.
SUNDAY NIGHT
NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 TO 2 FT.
MONDAY
NORTH WINDS 5 TO 10 KT. WAVES NEARLY CALM.
MONDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT VEERING TO SOUTH.
WAVES NEARLY CALM.
TUESDAY
SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 FT OR LESS BUILDING TO 1 TO 3 FT.
WEDNESDAY
SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-261530-
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-
316 AM CDT SAT SEP 26 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
TODAY
EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES 1 TO
3 FT.
TONIGHT
NORTHEAST WINDS 5 TO 10 KT BECOMING EAST. WAVES 1 TO
2 FT.
SUNDAY
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST LATE IN THE
MORNING, THEN BECOMING NORTH EARLY IN THE AFTERNOON BECOMING
10 TO 20 KT LATE. WAVES 1 TO 2 FT.
SUNDAY NIGHT
NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 1 TO 3 FT.
MONDAY
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH. WAVES 1 TO
2 FT.
MONDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT VEERING TO SOUTHEAST.
WAVES 1 FT OR LESS.
TUESDAY
SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.
WEDNESDAY
SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ761-261530-
MAFOR 2610/
MICHIGAN NORTH 11200 12300 13110 11200 11300. WAVES 1 FOOT OR
LESS.
MICHIGAN SOUTH 13210 13100 12200. WAVES 2 FEET OR LESS.
CMILLER
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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