967
FZUS63 KMKX 040304
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
904 PM CST MON NOV 3 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
WINDS HAVE DIMINISHED BELOW GALE FORCE THIS EVENING AS HIGH PRESSURE
OF 30.3 INCHES MOVES FROM THE CENTRAL PLAINS INTO THE MID ATLANTIC
STATES. AS THE HIGH PASSES TO THE SOUTH TUESDAY WINDS WILL BECOME
SOUTHERLY.
WINDS WILL SHIFT TO THE SOUTHWEST TO WEST AND BECOME BREEZY TUESDAY
NIGHT AS A LOW PRESSURE SYSTEM AROUND 29.7 INCHES APPROACHES FROM
ALBERTA CANADA. THIS LOW WILL CROSS THE LAKE WEDENSDAY MORNING AND
TURN WINDS TO NORTHWESTERLY. NORTHWEST WINDS WILL BECOME GUSTY
WEDNESDAY AFTERNOON/EVENING BEHIND THE EXITING LOW. WEDNESDAY'S
WINDS ARE CURRENTLY FORECAST AROUND 30 KNOTS BUT THESE COULD
POTENTIALLY BECOME GALES. NORTHWEST WINDS DECELERATE WEDNESDAY NIGHT
AS HIGH PRESSURE PASSES JUST SOUTH OF THE LAKE.
AS HIGH PRESSURE TRACKS EAST AND A MORE ROBUST LOW PRESSURE
APPROACHES FROM THE DAKOTAS, BREEZY SOUTH WINDS DEVELOP ON THURSDAY,
PEAKING LATE THURSDAY. THE ASSOCIATED COLD FRONT MAY THEN LEAD TO
GUSTY NORTHWEST WINDS A DAY LATER.
LMZ261-362-364-366-563-565-041015-
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-
904 PM CST MON NOV 3 2025
TWO RIVERS WI TO MANISTEE MI NORTH...
REST OF TONIGHT
WEST GALES TO 35 KT DIMINISHING TO 30 KT.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
TUESDAY
WEST WINDS 15 TO 25 KT BECOMING SOUTHWEST 10 TO 20 KT.
WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
TUESDAY NIGHT
SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. CHANCE OF RAIN. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
WEDNESDAY
NORTH WINDS TO 30 KT BECOMING NORTHWEST GALES TO
35 KT. CHANCE OF RAIN IN THE MORNING. WAVES 6 TO 9 FT
OCCASIONALLY TO 12 FT.
WEDNESDAY NIGHT
NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO
20 KT OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING
TO 3 TO 5 FT.
THURSDAY
WEST WINDS 10 TO 15 KT BECOMING SOUTH TO 30 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO
12 FT.
THURSDAY NIGHT
SOUTH GALES TO 35 KT. RAIN. WAVES 10 TO 14 FT
OCCASIONALLY TO 18 FT.
FRIDAY
WEST WINDS TO 30 KT BECOMING NORTHWEST. CHANCE OF RAIN.
WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT.
SATURDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. CHANCE OF
RAIN. WAVES 1 TO 3 FT.
LMZ567-669-671-868-870-872-041015-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
904 PM CST MON NOV 3 2025
TWO RIVERS WI TO MANISTEE MI SOUTH TO NORTH POINT LIGHT WI TO
GRAND HAVEN MI...
REST OF TONIGHT
WEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT SUBSIDING TO 4 TO
6 FT OCCASIONALLY TO 8 FT.
TUESDAY
WEST WINDS 10 TO 20 KT BACKING TO SOUTH. WAVES 3 TO
5 FT SUBSIDING TO 2 TO 4 FT.
TUESDAY NIGHT
SOUTH WINDS 15 TO 25 KT VEERING TO WEST TO
30 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 6 TO 9 FT
OCCASIONALLY TO 12 FT.
WEDNESDAY
WEST GALES TO 35 KT BECOMING NORTHWEST. CHANCE OF
RAIN IN THE MORNING. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT
BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT.
WEDNESDAY NIGHT
NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO
20 KT OVERNIGHT. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT SUBSIDING
TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
THURSDAY
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH TO 30 KT
IN THE AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT.
THURSDAY NIGHT
SOUTH GALES TO 35 KT BECOMING SOUTHWEST. RAIN.
WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT.
FRIDAY
WEST WINDS TO 30 KT BECOMING NORTHWEST. CHANCE OF RAIN.
WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT.
SATURDAY
NORTHWEST WINDS 10 TO 15 KT BACKING TO SOUTH 10 TO
20 KT. CHANCE OF RAIN. WAVES 3 TO 5 FT.
LMZ080-673-675-777-779-874-876-878-041015-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
904 PM CST MON NOV 3 2025
NORTH POINT LIGHT WI TO GRAND HAVEN MI SOUTH...
REST OF TONIGHT
NORTHWEST WINDS TO 30 KT BECOMING WEST 10 TO
20 KT. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT SUBSIDING TO 4 TO
6 FT OCCASIONALLY TO 8 FT.
TUESDAY
WEST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 3 TO 5 FT
SUBSIDING TO 2 TO 4 FT.
TUESDAY NIGHT
SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 6 TO 9 FT
OCCASIONALLY TO 12 FT.
WEDNESDAY
WEST GALES TO 35 KT BECOMING NORTHWEST. CHANCE OF
RAIN IN THE MORNING. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT
BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT.
WEDNESDAY NIGHT
NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO
10 TO 20 KT. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING TO
5 TO 8 FT OCCASIONALLY TO 10 FT.
THURSDAY
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH TO 30 KT
IN THE AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 6 TO 9 FT
OCCASIONALLY TO 12 FT.
THURSDAY NIGHT
SOUTH GALES TO 35 KT. CHANCE OF RAIN. WAVES
10 TO 14 FT OCCASIONALLY TO 18 FT.
FRIDAY
SOUTHWEST WINDS TO 30 KT BECOMING NORTHWEST. CHANCE OF
RAIN. WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT.
SATURDAY
NORTHWEST WINDS 10 TO 15 KT BACKING TO SOUTH 10 TO
20 KT. CHANCE OF RAIN. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 2 TO 4 FT.
LMZ761-041015-
MAFOR 0405/
MICHIGAN NORTH 12640 12630 12520 11420 11430. A CHANCE OF RAIN
TUESDAY EVENING. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET
OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET TUESDAY.
WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET TUESDAY EVENING.
MICHIGAN SOUTH 12630 11620 11510 11520 11420 11430 11440. WAVES 4
TO 7 FEET SUBSIDING TO 3 TO 5 FEET OVERNIGHT. WAVES 2 TO 4 FEET
TUESDAY. WAVES 3 TO 6 FEET TUESDAY EVENING.
PATTERSON
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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