597
FZUS63 KMKX 012039
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
239 PM CST SUN MAR 1 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
LIGHT AND VARIABLE WINDS ARE EXPECTED INTO TONIGHT AS 30.6 INCH
HIGH PRESSURE TRACKS EASTWARD ACROSS THE GREAT LAKES REGION. AS
THE HIGH CONTINUES EASTWARD INTO MONDAY, A BREEZY SOUTHERLY WIND
DEVELOPS (PARTICULARLY OVER THE NORTHERN HALF OF THE LAKE),
GRADUALLY DIMINISHING INTO MONDAY NIGHT. LIGHT EASTERLY WINDS ARE
THEN EXPECTED THROUGH MID WEEK (LATE TUESDAY THROUGH EARLY THURSDAY)
AS A WARM FRONT DEVELOPS FROM THE CENTRAL GREAT PLAINS INTO
CENTRAL INDIANA AND A WEAK LOW PRESSURE SYSTEM TRACKS EASTWARD
ALONG IT. SAID LOW PRESSURE SYSTEM MAY APPROACH THE SOUTHERN TIP
OF LAKE MICHIGAN AT SOME POINT ON THURSDAY WITH A MORE MODEST
WIND FIELD, THOUGH NO GALES ARE EXPECTED WITH IT.
LMZ261-362-364-366-563-565-567-868-020415-
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-
239 PM CST SUN MAR 1 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
TONIGHT
NORTH WINDS 5 TO 10 KT VEERING TO SOUTH LATE THIS
EVENING, THEN BECOMING SOUTH 5 TO 10 KT AFTER MIDNIGHT INCREASING
TO 10 TO 15 KT LATE. WAVES 1 TO 2 FT.
MONDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST TO 30 KT.
WAVES 1 TO 3 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
MONDAY NIGHT
SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH 5 TO
10 KT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 2 TO
4 FT.
TUESDAY
SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
TUESDAY NIGHT
SOUTHEAST WINDS LESS THAN 10 KT BECOMING EAST.
WAVES 1 FT OR LESS.
WEDNESDAY
EAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT. WAVES 1 TO 3 FT.
THURSDAY
EAST WINDS 10 TO 20 KT. CHANCE OF RAIN. WAVES 1 TO
3 FT.
FRIDAY
SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF
RAIN. WAVES 3 TO 5 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-020415-
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-
239 PM CST SUN MAR 1 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
TONIGHT
NORTHEAST WINDS 10 TO 20 KT BECOMING SOUTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
MONDAY
SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST. CHANCE OF
RAIN. WAVES 1 TO 2 FT.
TUESDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT BECOMING EAST. CHANCE
OF RAIN. WAVES 1 TO 2 FT.
WEDNESDAY
EAST WINDS 10 TO 15 KT. CHANCE OF RAIN. WAVES 1 TO
3 FT.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KT. CHANCE OF RAIN. WAVES
1 TO 2 FT BUILDING TO 2 TO 4 FT.
THURSDAY
EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST. CHANCE OF
RAIN. WAVES 2 TO 4 FT.
FRIDAY
SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. RAIN
LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ761-020415-
MAFOR 0123/
MICHIGAN NORTH 11800 11300 11400 12410 11430 11440 11540. WAVES 2
FEET OR LESS TONIGHT. WAVES 2 FEET OR LESS BUILDING TO 4 TO 7
FEET MONDAY.
MICHIGAN SOUTH 11110 12210 12310 11320 11420 11320. WAVES 1 TO 3
FEET TONIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET MONDAY.
SHEPPARD
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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