330
FZUS63 KMKX 070258
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
858 PM CST FRI FEB 6 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
GUSTY NORTHERLY WINDS WILL GRADUALLY EASE OVERNIGHT INTO SATURDAY
WHILE BECOMING NORTHWEST AS HIGH PRESSURE OF 30.5 INCHES BUILDS
IN FROM THE NORTHWEST. GALE FORCE GUSTS ARE EXPECTED TO END AROUND
OR PRIOR TO MIDNIGHT, BUT THE BREEZY CONDITIONS WILL KEEP HEAVY
FREEZING SPRAY GOING INTO SATURDAY MORNING. THUS THE HEAVY
FREEZING SPRAY WARNING WAS EXTENDED.
AS THE HIGH MOVES OVERHEAD SATURDAY WINDS WILL DIMINISH BECOMING
LIGHT. SATURDAY NIGHT THE HIGH WILL MOVE INTO THE OHIO RIVER
VALLEY TURNING WINDS TO SOUTHERLY. WINDS WILL SLIGHTLY INCREASE
HEADING INTO SUNDAY MORNING BEHIND THE DEPARTING HIGH. LIGHT TO
MODERATE SOUTHERLY WINDS ARE EXPECTED THROUGH AT LEAST MONDAY
NIGHT AS LOW PRESSURE OF 29.8 INCHES APPROACHES FROM THE WEST.
LMZ261-362-364-366-563-565-567-868-070415-
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 CST FRI FEB 6 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 6 AM CST
SATURDAY...
TODAY
NORTHWEST WINDS TO 30 KT BECOMING NORTH GALES TO 40 KT.
CHANCE OF SNOW THIS MORNING, THEN CHANCE OF SNOW AND LIGHT
FREEZING DRIZZLE THIS AFTERNOON. FREEZING SPRAY THIS AFTERNOON.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 8 TO 12 FT
OCCASIONALLY TO 16 FT.
TONIGHT
NORTH GALES TO 35 KT BECOMING NORTHWEST TO 30 KT.
HEAVY FREEZING SPRAY. CHANCE OF SNOW. WAVES 8 TO 12 FT
OCCASIONALLY TO 16 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO
12 FT.
SATURDAY
NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST 10 TO
15 KT. CHANCE OF SNOW IN THE MORNING. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST.
CHANCE OF SNOW. WAVES 1 TO 3 FT.
SUNDAY
SOUTHEAST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
SUNDAY NIGHT
SOUTH WINDS 10 TO 20 KT. CHANCE OF SNOW. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
MONDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.
TUESDAY
SOUTHEAST WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
LMZ669-671-673-675-870-872-874-876-070415-
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 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-
858 PM CST FRI FEB 6 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH TO WINTHROP HARBOR IL TO SOUTH
HAVEN MI...
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 6 AM CST
SATURDAY...
TODAY
NORTHWEST WINDS TO 30 KT BECOMING NORTH GALES TO 40 KT,
THEN DIMINISHING TO GALES TO 35 KT LATE. SNOW THIS MORNING, THEN
CHANCE OF SNOW THIS AFTERNOON. FREEZING SPRAY THIS AFTERNOON.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 12 TO 16 FT
OCCASIONALLY TO 21 FT.
TONIGHT
NORTH GALES TO 35 KT DIMINISHING TO 15 TO 25 KT.
FREEZING SPRAY IN THE EVENING, THEN HEAVY FREEZING SPRAY
OVERNIGHT. CHANCE OF SNOW IN THE EVENING, THEN SLIGHT CHANCE OF
SNOW OVERNIGHT. WAVES 12 TO 16 FT OCCASIONALLY TO 21 FT SUBSIDING
TO 7 TO 10 FT OCCASIONALLY TO 13 FT.
SATURDAY
NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT
LATE IN THE MORNING, THEN BECOMING NORTHWEST 10 TO 15 KT EARLY IN
THE AFTERNOON DIMINISHING TO 5 TO 10 KT LATE. FREEZING SPRAY IN
THE MORNING. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT SUBSIDING TO
3 TO 5 FT.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT. CHANCE OF SNOW IN THE EVENING. WAVES 2 TO 4 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST. WAVES 3 TO
5 FT.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES
3 TO 5 FT.
MONDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 3 TO
5 FT.
TUESDAY
SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST. WAVES 1 TO
3 FT BUILDING TO 3 TO 5 FT.
LMZ080-777-779-878-070415-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
858 PM CST FRI FEB 6 2026
WINTHROP HARBOR IL TO SOUTH HAVEN MI SOUTH...
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT
TODAY
NORTHWEST WINDS 15 TO 25 KT BECOMING NORTH TO 30 KT LATE
THIS MORNING, THEN INCREASING TO GALES TO 35 KT EARLY THIS
AFTERNOON BECOMING NORTH GALES TO 35 KT LATE. SNOW WITH POSSIBLE
FREEZING DRIZZLE AND DRIZZLE THIS MORNING, THEN SLIGHT CHANCE OF
RAIN AND SNOW THIS AFTERNOON. WAVES 3 TO 5 FT BUILDING TO 12 TO
16 FT OCCASIONALLY TO 21 FT.
TONIGHT
NORTH GALES TO 35 KT DIMINISHING TO 15 TO 25 KT.
FREEZING SPRAY. CHANCE OF SNOW. WAVES 12 TO 16 FT OCCASIONALLY TO
21 FT SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT.
SATURDAY
NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT EARLY IN THE AFTERNOON, THEN DIMINISHING TO 5 TO 10 KT
LATE. FREEZING SPRAY IN THE MORNING. WAVES 6 TO 9 FT OCCASIONALLY
TO 12 FT SUBSIDING TO 3 TO 5 FT.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT OVERNIGHT. CHANCE OF SNOW IN THE EVENING. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST 10 TO 15 KT.
WAVES 2 TO 4 FT.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH. WAVES
1 TO 3 FT.
MONDAY
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT.
WAVES 1 TO 3 FT.
TUESDAY
SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST 10 TO 15 KT.
WAVES 1 TO 3 FT.
LMZ761-070415-
MAFOR 0611/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11730 13850 12852 11842
11742. A CHANCE OF SNOW THIS MORNING. A CHANCE OF SNOW AND LIGHT
FREEZING DRIZZLE THIS AFTERNOON. A CHANCE OF SNOW TONIGHT. WAVES
2 TO 4 FEET BUILDING TO 9 TO 12 FEET TODAY. WAVES 8 TO 12 FEET
SUBSIDING TO 5 TO 8 FEET TONIGHT. WAVE HEIGHTS ARE FOR ICE FREE
AREAS.
MICHIGAN SOUTH...GALE WARNING IN EFFECT...11737 11840 14850 11842
11830. A CHANCE OF LIGHT FREEZING DRIZZLE THIS MORNING TODAY.
WAVES 2 TO 4 FEET BUILDING TO 10 TO 14 FEET TODAY. WAVES 10 TO 15
FEET SUBSIDING TO 7 TO 10 FEET TONIGHT.
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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