253
FZUS63 KMKX 140155
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
855 PM CDT SAT JUN 13 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
A COLD FRONT WILL SLOWLY MOVE SOUTHEAST ACROSS SOUTHERN LAKE
MICHIGAN THIS EVENING. MODEST WEST TO SOUTHWEST WINDS WILL BECOME
NORTHWEST WITH THE FRONTAL PASSAGE. MODEST NORTHWEST WINDS WILL
CONTINUE THROUGH SUNDAY. WINDS THEN SHIFT SOUTHWESTERLY ON MONDAY
AS HIGH PRESSURE SLIDES SOUTHWARD AND LOW PRESSURE OF 29.7 INCHES
PROGRESSES SOUTHEASTWARD THROUGH THE NORTHERN GREAT PLAINS. LOW
PRESSURE CROSSES LAKE MICHIGAN ON TUESDAY, WITH STRONG SOUTHWESTERLY
WINDS TO THE SOUTH OF THE LOW. THUNDERSTORMS ARE POSSIBLE ONCE
AGAIN. WEDNESDAY, AN ADDITIONAL LOW PRESSURE SYSTEM WILL PROGRESS
EASTWARD INTO THE UPPER MIDWEST, BRINGING GUSTY SOUTHEASTERLY
WINDS AND PERHAPS SOME GALES. THIS LOW IS ALSO EXPECTED TO CROSS
LAKE MICHIGAN, BRINGING THUNDERSTORMS AND GUSTY NORTHWEST WINDS BY
THE OVERNIGHT HOURS AND INTO THURSDAY.
LMZ261-362-364-366-563-565-567-868-140915-
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-
855 PM CDT SAT JUN 13 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
REST OF TONIGHT
NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
SUNDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 15 TO 25 KT.
WAVES 2 TO 4 FT.
SUNDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES
2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
MONDAY
WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST 15 TO 25 KT.
WAVES 1 TO 3 FT.
MONDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO
25 KT. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 2 TO 4 FT.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 15 TO
25 KT. WAVES 1 TO 2 FT BUILDING TO 3 TO 5 FT.
THURSDAY
NORTHWEST GALES TO 35 KT BECOMING WEST TO 30 KT.
CHANCE OF SHOWERS. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-140915-
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-
855 PM CDT SAT JUN 13 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
REST OF TONIGHT
SOUTHWEST WINDS 10 TO 20 KT VEERING TO
NORTHWEST. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
EARLY EVENING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
SUNDAY
NORTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS
IN THE MORNING. WAVES 3 TO 5 FT.
SUNDAY NIGHT
NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES
2 TO 4 FT.
MONDAY
WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 2 TO
4 FT.
MONDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
TUESDAY
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO
4 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH TO 30 KT.
SHOWERS LIKELY. WAVES 1 TO 3 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
THURSDAY
WEST GALES TO 40 KT BECOMING NORTHWEST GALES TO
35 KT. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING TO 7 TO
10 FT OCCASIONALLY TO 13 FT.
LMZ761-140915-
MAFOR 1404/
MICHIGAN NORTH 11810 12710 11720 11730 11630 11530 11520. WAVES 1
TO 3 FEET OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
SUNDAY. WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS SUNDAY
EVENING.
MICHIGAN SOUTH 11720 11710 11720 13730 11720 11610. A CHANCE OF
THUNDERSTORMS LATE THIS EVENING, THEN A CHANCE OF SHOWERS
OVERNIGHT. WAVES 1 TO 3 FEET OVERNIGHT. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET SUNDAY. WAVES 1 TO 3 FEET SUNDAY EVENING.
GEHRING
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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