503
FZUS63 KMKX 141935
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
235 PM CDT SUN JUN 14 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
NORTHWEST WINDS WILL GRADUALLY DIMINISH THIS EVENING, BECOMING
LIGHT AND VARIABLE OVERNIGHT UNDER A BRIEF WAVE OF HIGH PRESSURE
AROUND 30.0 INCHES. WINDS WILL SHIFT TO SOUTHWESTERLY MONDAY AS
HIGH PRESSURE MOVES SOUTH INTO THE LOWER MISSISSIPPI VALLEY. LOW
PRESSURE IS EXPECTED TO DEEPEN TO 29.5 INCHES OVER WISCONSIN ON
TUESDAY, BRINGING THUNDERSTORMS STRONGER SOUTHWESTERLY WINDS, AND
A WIND SHIFT TO NORTHWESTERLY TUESDAY THROUGH TUESDAY NIGHT.
WEDNESDAY, ADDITIONAL LOW PRESSURE DEVELOPS IN THE CENTRAL PLAINS,
BRINGING SOUTHEASTERLY WINDS TO THE LAKE. A FEW GALES ARE POSSIBLE
IN THE SOUTHERN THIRD OF THE OPEN WATERS AS LOW PRESSURE MOVES
OVER THE NORTHERN HALF OF THE LAKE ON WEDNESDAY NIGHT. AS LOW
PRESSURE EXITS INTO THURSDAY MORNING, EXPECT WINDS TO BECOME
NORTHWESTERLY AND REMAIN GUSTY ACROSS ALL OPEN WATERS INTO
THURSDAY AFTERNOON BEFORE GRADUALLY DIMINISHING. LIGHTER NORTHWEST
WINDS ARE THEN EXPECTED THROUGH FRIDAY.
LMZ261-362-364-366-563-565-567-868-150315-
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-
235 PM CDT SUN JUN 14 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
TONIGHT
NORTHWEST WINDS 15 TO 25 KT BACKING TO SOUTHWEST 10 TO
20 KT LATE THIS EVENING, THEN DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT INCREASING TO 10 TO 20 KT LATE. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT.
MONDAY
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT.
MONDAY NIGHT
SOUTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO
20 KT. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT VEERING TO NORTHWEST
10 TO 15 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO
2 TO 4 FT.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 15 TO
25 KT IN THE AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
WEDNESDAY NIGHT
SOUTHEAST WINDS TO 30 KT BACKING TO NORTHEAST.
SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
THURSDAY
NORTH WINDS TO 30 KT BECOMING NORTHWEST. CHANCE OF
SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO
6 FT OCCASIONALLY TO 8 FT.
FRIDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 15 TO 25 KT.
WAVES 2 TO 4 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-150315-
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-
235 PM CDT SUN JUN 14 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
TONIGHT
NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST 10 TO 20 KT
LATE THIS EVENING, THEN BECOMING SOUTHWEST 10 TO 15 KT OVERNIGHT.
WAVES 3 TO 5 FT SUBSIDING TO 1 TO 3 FT.
MONDAY
WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT.
WAVES 1 TO 3 FT.
MONDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 15 TO 25 KT INCREASING TO 30 KT.
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
20 KT. CHANCE OF THUNDERSTORMS IN THE EVENING. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH TO 30 KT
IN THE AFTERNOON. SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FT
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
WEDNESDAY NIGHT
SOUTHEAST GALES TO 35 KT VEERING TO SOUTHWEST.
SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT.
THURSDAY
WEST GALES TO 35 KT BECOMING NORTHWEST. WAVES 6 TO
9 FT OCCASIONALLY TO 12 FT.
FRIDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES 2 TO
4 FT.
LMZ761-150315-
MAFOR 1422/
MICHIGAN NORTH 11730 11630 12510 12520 12530. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 1 TO 3 FEET BUILDING TO 2
TO 4 FEET MONDAY.
MICHIGAN SOUTH 11830 11720 11600 11510 12610 11510 11520. WAVES 3
TO 5 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 1 TO 3 FEET
MONDAY.
MH
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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