137
FZUS63 KMKX 080251
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
851 PM CST FRI NOV 7 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
LOW PRESSURE AROUND 29.3 INCHES OVER QUEBEC WILL CONTINUE TO MOVE
EAST OVERNIGHT. BREEZY NORTH WINDS WILL GRADUALLY WEAKEN BY EARLY
SATURDAY MORNING AND BECOME NORTH TO NORTHEAST. LOW PRESSURE
AROUND 29.7 INCHES WILL THEN MOVE QUICKLY FROM THE CENTRAL PLAINS
EARLY SATURDAY MORNING TO THE OHIO RIVER VALLEY SATURDAY NIGHT.
NORTH TO NORTHEAST WINDS WILL PICK UP SATURDAY EVENING AS THE LOW
APPROACHES, BECOMING NORTH TO NORTHWEST LATER SATURDAY NIGHT INTO
SUNDAY BEHIND THE LOW. GUSTS SUNDAY INTO MONDAY MAY REACH GALE
FORCE FOR A TIME, MAINLY ACROSS THE SOUTHERN HALF OF THE LAKE.
WINDS WILL VARY BETWEEN NORTHWEST AND SOUTHWEST THE FIRST HALF OF
NEXT WEEK, WHILE REMAINING GUSTY THROUGH THIS PERIOD. WINDS MAY
APPROACH OR HIT GALE FORCE AT TIMES AGAIN TUESDAY THROUGH
WEDNESDAY.
LMZ261-362-364-366-563-565-567-868-081030-
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-
851 PM CST FRI NOV 7 2025
SHEBOYGAN WI TO PENTWATER MI NORTH...
REST OF TONIGHT
NORTH WINDS TO 30 KT DIMINISHING TO 10 TO
20 KT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO
5 FT.
SATURDAY
NORTH WINDS 5 TO 10 KT. SLIGHT CHANCE OF RAIN AND
SNOW IN THE AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
SATURDAY NIGHT
NORTH WINDS 10 TO 15 KT INCREASING TO 30 KT.
SNOW AND RAIN LIKELY IN THE EVENING, THEN CHANCE OF SNOW AND RAIN
OVERNIGHT. WAVES 1 TO 2 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO
10 FT.
SUNDAY
NORTH WINDS TO 30 KT BECOMING NORTHWEST. SNOW LIKELY.
WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.
SUNDAY NIGHT
NORTH WINDS TO 30 KT. SNOW LIKELY. WAVES 7 TO
10 FT OCCASIONALLY TO 13 FT.
MONDAY
NORTHWEST WINDS TO 30 KT. SNOW LIKELY. WAVES 6 TO 9 FT
OCCASIONALLY TO 12 FT.
MONDAY NIGHT
NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO
25 KT. CHANCE OF SNOW. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
TUESDAY
SOUTHWEST WINDS TO 30 KT. CHANCE OF RAIN AND SNOW.
WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT BUILDING TO 8 TO 12 FT
OCCASIONALLY TO 16 FT.
WEDNESDAY
WEST WINDS TO 30 KT INCREASING TO GALES TO 35 KT.
CHANCE OF RAIN. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-081030-
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-
851 PM CST FRI NOV 7 2025
SHEBOYGAN WI TO PENTWATER MI SOUTH...
REST OF TONIGHT
NORTHWEST WINDS 10 TO 20 KT BECOMING
NORTHEAST. ISOLATED RAIN SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.
SATURDAY
NORTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. SCATTERED RAIN SHOWERS IN THE MORNING, THEN CHANCE OF RAIN
IN THE AFTERNOON. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
SATURDAY NIGHT
NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH TO
30 KT. RAIN IN THE EVENING, THEN RAIN WITH A CHANCE OF SNOW
OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO
13 FT.
SUNDAY
NORTH GALES TO 35 KT BECOMING NORTHWEST. RAIN WITH SNOW
LIKELY IN THE MORNING, THEN SNOW IN THE AFTERNOON. WAVES 10 TO
14 FT OCCASIONALLY TO 18 FT.
SUNDAY NIGHT
NORTHWEST GALES TO 35 KT. SNOW IN THE EVENING,
THEN SNOW LIKELY OVERNIGHT. WAVES 10 TO 14 FT OCCASIONALLY TO
18 FT.
MONDAY
NORTHWEST WINDS TO 30 KT. SNOW LIKELY. WAVES 10 TO
14 FT OCCASIONALLY TO 18 FT.
MONDAY NIGHT
NORTHWEST WINDS TO 30 KT BECOMING WEST. CHANCE OF
SNOW. WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 7 TO
10 FT OCCASIONALLY TO 13 FT.
TUESDAY
SOUTHWEST GALES TO 40 KT. CHANCE OF RAIN AND SNOW.
WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT BUILDING TO 12 TO 16 FT
OCCASIONALLY TO 21 FT.
WEDNESDAY
WEST GALES TO 35 KT. WAVES 8 TO 11 FT OCCASIONALLY
TO 14 FT BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT.
LMZ761-081030-
MAFOR 0805/
MICHIGAN NORTH 11830 11820 11810 13800 12817. WAVES 3 TO 6 FEET
OVERNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET SATURDAY.
WAVES 2 FEET OR LESS SATURDAY EVENING.
MICHIGAN SOUTH 11820 11820 19826 11110 19116 13110 12126. WAVES 3
TO 6 FEET OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET
SATURDAY. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET SATURDAY
EVENING.
WOOD
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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