682
FZUS63 KMKX 050852
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
252 AM CST THU FEB 5 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
HIGH PRESSURE OF 30.4 INCHES IN INDIANA WILL CONTINUE TO SHIFT
SOUTHEAST EARLY THIS MORNING AHEAD OF AN APPROACHING SHORTWAVE.
LIGHT SOUTHWEST WINDS WILL GRADUALLY ACCELERATE THROUGH THE COURSE
OF THIS MORNING AS THE PRESSURE GRADIENT TIGHTENS.
LOW PRESSURE OF 29.4 INCHES WILL HEAD EASTWARD THROUGH JAMES
BAY TONIGHT AND CONTINUE EASTWARD INTO QUEBEC ON FRIDAY, DRAGGING
A COLD FRONT THROUGH THE GREAT LAKES REGION. MODERATE WESTERLY
WINDS TONIGHT WILL INCREASE OUT OF THE NORTHWEST FRIDAY BEHIND
THE FRONT, GRADUALLY VEERING DUE NORTH. A GALE WATCH IS IN EFFECT
FOR THE OPEN WATERS FROM MID-MORNING FRIDAY THROUGH THE EVENING
HOURS. ADDITIONALLY, A PERIOD OF HEAVY FREEZING SPRAY IS LOOKING
LIKELY FROM FRIDAY AFTERNOON THROUGH FRIDAY NIGHT.
LMZ261-362-364-366-563-565-567-868-051630-
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-
252 AM CST THU FEB 5 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...
TODAY
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
SNOW THIS MORNING, THEN CHANCE OF SNOW AND SLIGHT CHANCE OF LIGHT
FREEZING DRIZZLE THIS AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 4 TO
6 FT OCCASIONALLY TO 8 FT.
TONIGHT
SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE OF
SNOW AND SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE IN THE EVENING,
THEN SNOW LIKELY OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 3 TO 5 FT.
FRIDAY
NORTHWEST WINDS TO 30 KT BECOMING NORTH GALES TO 40 KT.
CHANCE OF SNOW AND LIGHT FREEZING DRIZZLE. HEAVY FREEZING SPRAY
IN THE AFTERNOON. WAVES 3 TO 5 FT BUILDING TO 12 TO 16 FT
OCCASIONALLY TO 21 FT.
FRIDAY NIGHT
NORTH GALES TO 40 KT DIMINISHING TO 30 KT
OVERNIGHT. HEAVY FREEZING SPRAY. CHANCE OF SNOW. WAVES 12 TO
16 FT OCCASIONALLY TO 21 FT.
SATURDAY
NORTH WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. CHANCE OF SNOW. WAVES 1 TO 2 FT BUILDING TO 2 TO 4 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
MONDAY
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-051630-
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-
252 AM CST THU FEB 5 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...
TODAY
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SNOW. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
TONIGHT
SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE OF
LIGHT FREEZING DRIZZLE AND SNOW IN THE EVENING, THEN SNOW AND
LIGHT FREEZING DRIZZLE LIKELY OVERNIGHT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT.
FRIDAY
NORTHWEST WINDS 15 TO 25 KT INCREASING TO GALES TO
35 KT LATE IN THE MORNING, THEN BECOMING NORTH GALES TO 40 KT IN
THE AFTERNOON. CHANCE OF SNOW AND LIGHT FREEZING DRIZZLE. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 12 TO 16 FT
OCCASIONALLY TO 21 FT.
FRIDAY NIGHT
NORTH GALES TO 40 KT DIMINISHING TO 30 KT
OVERNIGHT. MODERATE TO HEAVY FREEZING SPRAY. CHANCE OF SNOW
OVERNIGHT. WAVES 12 TO 16 FT OCCASIONALLY TO 21 FT.
SATURDAY
NORTH WINDS 10 TO 20 KT BACKING TO WEST 10 TO 15 KT.
FREEZING SPRAY IN THE MORNING. WAVES 7 TO 10 FT OCCASIONALLY TO
13 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 3 TO 5 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
MONDAY
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
LMZ761-051630-
MAFOR 0511/
MICHIGAN NORTH 11527 11537 12530 11520 12610 11627. WAVES 1 TO 3
FEET BUILDING TO 3 TO 5 FEET TODAY. WAVES 3 TO 5 FEET SUBSIDING
TO 2 TO 4 FEET TONIGHT. WAVE HEIGHTS ARE FOR ICE FREE AREAS.
MICHIGAN SOUTH 11510 11527 13530 11520 11620 11627. A CHANCE OF
LIGHT FREEZING DRIZZLE OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3
TO 6 FEET TODAY. WAVES 3 TO 6 FEET TONIGHT.
SHEPPARD
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/MKX/GLFTABLE
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page