204
FZUS63 KMKX 270809
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
309 AM CDT SAT JUN 27 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 30.1 INCHES IS EXPECTED TO LINGER ACROSS THE
GREAT LAKES THROUGH TONIGHT, WITH LIGHT NORTH TO NORTHEAST WINDS.
PATCHY FOG IS POSSIBLE, ESPECIALLY ACROSS THE NORTHERN TWO-THIRDS
OF THE LAKE. LOW PRESSURE WILL DEEPEN TO 29.3 INCHES OVER THE
CENTRAL PLAINS SUNDAY, SHIFTING WINDS TO SOUTHEASTERLY. WINDS
SHIFT SOUTHERLY AND INCREASE INTO MONDAY AS LOW PRESSURE LIFTS
INTO THE CANADIAN PRAIRIES. GUSTY SOUTHERLY WINDS WILL CONTINUE
THROUGH AT LEAST WEDNESDAY AS LOW PRESSURE STALLS, BUT GALES ARE
NOT EXPECTED AT THIS TIME.
LMZ261-362-364-366-563-565-567-868-271515-
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-
309 AM CDT SAT JUN 27 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
TODAY
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH 10 TO 20 KT
THIS AFTERNOON. PATCHY FOG THIS MORNING. WAVES 1 TO 2 FT.
TONIGHT
NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
LATE IN THE EVENING, THEN BECOMING EAST AFTER MIDNIGHT BECOMING
SOUTHEAST 10 TO 15 KT LATE. WAVES 1 TO 2 FT.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KT BECOMING EAST 10 TO 20 KT.
WAVES 1 TO 3 FT.
SUNDAY NIGHT
EAST WINDS 10 TO 20 KT BECOMING SOUTHEAST TO
30 KT OVERNIGHT. CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
MONDAY
SOUTHEAST WINDS TO 30 KT BECOMING SOUTH. CHANCE OF
SHOWERS IN THE MORNING. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
MONDAY NIGHT
SOUTH WINDS TO 30 KT. WAVES 6 TO 9 FT
OCCASIONALLY TO 12 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
TUESDAY
SOUTH WINDS TO 30 KT. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT.
WEDNESDAY
SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH. WAVES
3 TO 5 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-271515-
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-
309 AM CDT SAT JUN 27 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH...
TODAY
EAST WINDS 10 TO 15 KT BECOMING NORTH 10 TO 20 KT. WAVES
1 TO 2 FT.
TONIGHT
NORTH WINDS 10 TO 20 KT VEERING TO EAST 10 TO 15 KT.
WAVES 1 TO 3 FT.
SUNDAY
SOUTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
SUNDAY NIGHT
SOUTHEAST WINDS 15 TO 25 KT INCREASING TO 30 KT.
CHANCE OF SHOWERS OVERNIGHT. WAVES 3 TO 5 FT BUILDING TO 4 TO
7 FT OCCASIONALLY TO 9 FT.
MONDAY
SOUTH WINDS TO 30 KT. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
MONDAY NIGHT
SOUTH WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
TUESDAY
SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO
25 KT. WAVES 2 TO 4 FT.
LMZ761-271515-
MAFOR 2710/
MICHIGAN NORTH 11104 11100 11110 11820 11120 11110 11200 11310.
WAVES 2 FEET OR LESS.
MICHIGAN SOUTH 12210 11110 12820 11110 12210. WAVES 2 FEET OR
LESS.
MH
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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