783
FZUS63 KMKX 050807
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
307 AM CDT SUN JUL 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 AROUND 30.2 INCHES NORTHEAST OF THE REGION WILL
REMAIN IN PLACE THROUGH MONDAY. WEAK LOW PRESSURE AROUND 29.9
INCHES WILL SLOWLY MOVE EAST ACROSS INDIANA INTO OHIO DURING THIS
TIME. SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE EXPECTED OVER
MAINLY THE FAR SOUTHERN PORTIONS OF LAKE MICHIGAN TODAY INTO EARLY
THIS EVENING. INCREASING NORTH TO NORTHEAST WINDS ARE EXPECTED AS
WELL TODAY, LINGERING TONIGHT INTO MONDAY.
AREAS OF DENSE FOG SHOULD LINGER INTO THE MIDDLE MORNING HOURS
ACROSS CENTRAL AND SOUTHERN PORTIONS OF THE LAKE, WHERE A DENSE
FOG ADVISORY IS IN EFFECT. THERE IS AN EXPECTATION THAT THE FOG
WILL DIMINISH BY THE MIDDLE MORNING HOURS, WITH INCREASING NORTH
TO NORTHEAST WINDS.
HIGH PRESSURE AROUND 30.0 INCHES WILL THEN SHIFT SOUTHEAST ACROSS
THE REGION MONDAY NIGHT AND TUESDAY, WITH LIGHTER WINDS.
SOUTHWEST WINDS SHOULD INCREASE WEDNESDAY, AHEAD OF A COLD FRONT
MOVING TOWARD THE REGION.
LMZ261-362-364-563-051530-
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 ROCK ISLAND PASSAGE TO STURGEON BAY WI-
307 AM CDT SUN JUL 5 2026
STURGEON BAY WI TO POINT BETSIE MI NORTH...
TODAY
NORTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 2 FT.
TONIGHT
NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT.
WAVES 1 TO 2 FT.
MONDAY
NORTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KT VEERING TO SOUTH LESS
THAN 10 KT OVERNIGHT. WAVES 1 FT OR LESS.
TUESDAY
SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 2 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 FT OR LESS.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. CHANCE OF SHOWERS. WAVES 1 TO 2 FT.
THURSDAY
NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
LMZ366-565-567-868-051530-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
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-
307 AM CDT SUN JUL 5 2026
STURGEON BAY WI TO POINT BETSIE MI SOUTH TO SHEBOYGAN WI TO
PENTWATER MI...
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH 15 TO 25 KT.
AREAS OF DENSE FOG THIS MORNING. WAVES 2 TO 4 FT.
TONIGHT
NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO 5 TO 10 KT.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
MONDAY
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH 15 TO 25 KT.
WAVES 2 TO 4 FT.
MONDAY NIGHT
NORTH WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
OVERNIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
TUESDAY
WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1 FT
OR LESS.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KT. WAVES NEARLY CALM.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO
20 KT. CHANCE OF SHOWERS. WAVES 1 TO 2 FT BUILDING TO 1 TO 3 FT.
THURSDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 15 TO
25 KT. CHANCE OF SHOWERS. WAVES 2 TO 4 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-051530-
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-
307 AM CDT SUN JUL 5 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH 15 TO 25 KT.
AREAS OF DENSE FOG THIS MORNING. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS THIS MORNING, THEN SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WAVES 2 TO 4 FT.
TONIGHT
NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST 10 TO
20 KT, THEN DIMINISHING TO 10 TO 15 KT LATE. WAVES 3 TO 5 FT.
MONDAY
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH 10 TO 20 KT
EARLY IN THE AFTERNOON, THEN INCREASING TO 15 TO 25 KT LATE.
WAVES 2 TO 4 FT.
MONDAY NIGHT
NORTH WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
OVERNIGHT. WAVES 2 TO 4 FT.
TUESDAY
NORTH WINDS 5 TO 10 KT BECOMING NORTHWEST. WAVES 1 TO
2 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 FT OR LESS.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO
20 KT. WAVES 1 TO 3 FT.
THURSDAY
WEST WINDS 10 TO 20 KT BECOMING NORTHWEST. CHANCE OF
SHOWERS. WAVES 2 TO 4 FT.
LMZ761-051530-
MAFOR 0510/
MICHIGAN NORTH 11114 11110 19114 11120 12130 11120 11110 11100.
WAVES 1 TO 3 FEET TODAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3
FEET TONIGHT.
MICHIGAN SOUTH 12114 11820 12830 11120 12110. A CHANCE OF SHOWERS
THIS MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET TODAY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT.
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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