927
FZUS63 KMKX 030158
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
858 PM CDT WED JUL 2 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
HIGH PRESSURE AROUND 30.0 INCHES WILL LINGER ACROSS THE MIDDLE
MISSISSIPPI RIVER VALLEY INTO THURSDAY, BEFORE MOVING TO THE EAST
BY FRIDAY. LIGHT WEST WINDS WILL CONTINUE TONIGHT. LIGHT NORTH TO
NORTHEAST WINDS THURSDAY INTO THURSDAY NIGHT WILL SHIFT SOUTH TO
SOUTHWEST ON FRIDAY, AS A WARM FRONT MOVES NORTH THROUGH THE
REGION.
SOUTH TO SOUTHWEST WINDS WILL THEN INCREASE FRIDAY NIGHT INTO
SATURDAY NIGHT, AS LOW PRESSURE AROUND 29.6 INCHES MOVES ACROSS
LAKE SUPERIOR AND ONTARIO AND PULLS A COLD FRONT THROUGH THE
REGION. EXPECTING WEST WINDS BEHIND THIS FRONT ON SUNDAY, VEERING
NORTH INTO SUNDAY NIGHT.
THUNDERSTORMS WILL CONTINUE AT TIMES ACROSS THE LAKE LATE THIS
EVENING. ADDITIONAL CHANCES ARE EXPECTED THURSDAY AFTERNOON
THROUGH THURSDAY NIGHT, FOCUSED ON THE SOUTHERN HALF OF THE LAKE.
MORE WIDESPREAD CHANCES FOR SHOWERS AND THUNDERSTORMS EXPECTED
LATER SATURDAY INTO SUNDAY AS THE COLD FRONT CROSSES THE LAKE.
LMZ261-362-364-366-563-565-567-868-030915-
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-
858 PM CDT WED JUL 2 2025
SHEBOYGAN WI TO PENTWATER MI NORTH...
REST OF TONIGHT
SOUTHWEST WINDS 5 TO 10 KT VEERING TO NORTH.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH
EARLY EVENING. WAVES 1 TO 2 FT.
THURSDAY
NORTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
THURSDAY NIGHT
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTHEAST.
WAVES 1 TO 2 FT.
FRIDAY
SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.
FRIDAY NIGHT
SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
SATURDAY
SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH TO 30 KT.
WAVES 3 TO 5 FT.
SATURDAY NIGHT
SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT.
SUNDAY
WEST WINDS 10 TO 20 KT BECOMING NORTHWEST. CHANCE OF
SHOWERS. WAVES 3 TO 5 FT.
MONDAY
NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-030915-
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-
858 PM CDT WED JUL 2 2025
SHEBOYGAN WI TO PENTWATER MI SOUTH...
REST OF TONIGHT
SOUTHWEST WINDS 5 TO 10 KT BECOMING NORTHWEST.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH
EARLY EVENING. WAVES 1 TO 2 FT.
THURSDAY
NORTHWEST WINDS 5 TO 10 KT BECOMING NORTHEAST 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 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.
SATURDAY
SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 3 TO 5 FT.
SATURDAY NIGHT
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
WAVES 3 TO 5 FT.
SUNDAY
WEST WINDS 10 TO 20 KT BECOMING NORTHWEST. CHANCE OF
SHOWERS. WAVES 3 TO 5 FT.
MONDAY
NORTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
LMZ761-030915-
MAFOR 0304/
MICHIGAN NORTH 11600 12800 11100 11810 11110 11100 11200. WAVES 1
FOOT OR LESS.
MICHIGAN SOUTH 12600 12700 11810 11110 12100. WAVES 1 FOOT OR
LESS.
BOXELL
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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