770
FZUS63 KMKX 231944
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
244 PM CDT TUE APR 23 2024
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
EXPECT WINDS TO TURN NORTH EARLY THIS EVENING, FROM NORTH TO
SOUTH ACROSS LAKE MICHIGAN BEHIND A BACKDOOR COLD FRONT COMING
DOWN ACROSS THE LAKE AS THE LOW OF 29.6 INCHES FINISHES ITS SWEEP
THROUGH THE WESTERN GREAT LAKES REGION. A PERIOD OF NORTH GALES
ARE EXPECTED TONIGHT BEHIND THE COLD FRONT, AND A GALE WARNING HAS
BEEN ISSUED. BUILDING WAVES ARE EXPECTED AS WELL TONIGHT.
WINDS AND WAVES WILL GRADUALLY LIGHTEN UP WEDNESDAY INTO
THURSDAY, AS HIGH PRESSURE AROUND 30.4 INCHES MOVES SOUTHEAST
ACROSS THE REGION.
SOUTH WINDS WILL THEN INCREASE AGAIN FRIDAY AND REMAIN GUSTY INTO
THE UPCOMING WEEKEND, AS MULTIPLE LOW PRESSURE SYSTEMS MOVE
NORTHEAST THROUGH THE REGION. THERE WILL BE ADDITIONAL CHANCES FOR
GALES SATURDAY.
LMZ261-362-364-366-563-565-567-868-240315-
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-
244 PM CDT TUE APR 23 2024
SHEBOYGAN WI TO PENTWATER MI NORTH...
...GALE WARNING IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH LATE
TONIGHT...
TONIGHT
NORTH GALES TO 35 KT DIMINISHING TO 30 KT. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THIS EVENING.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 8 TO 11 FT
OCCASIONALLY TO 14 FT.
WEDNESDAY
NORTH WINDS TO 30 KT BECOMING NORTHEAST 10 TO 20 KT.
WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT SUBSIDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
WEDNESDAY NIGHT
NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT LATE IN THE EVENING, THEN BECOMING EAST AFTER
MIDNIGHT BECOMING SOUTH LATE. WAVES 3 TO 5 FT SUBSIDING TO 1 TO
2 FT.
THURSDAY
SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO
20 KT OVERNIGHT. WAVES 2 TO 4 FT.
FRIDAY
SOUTHEAST WINDS 15 TO 25 KT INCREASING TO 30 KT. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO 8 FT OCCASIONALLY
TO 10 FT.
FRIDAY NIGHT
SOUTHEAST GALES TO 35 KT. SHOWERS. WAVES 6 TO
9 FT OCCASIONALLY TO 12 FT.
SATURDAY
SOUTH GALES TO 35 KT. SHOWERS LIKELY. WAVES 7 TO
10 FT OCCASIONALLY TO 13 FT.
SUNDAY
NORTHEAST WINDS 15 TO 25 KT BECOMING EAST. RAIN SHOWERS
LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-240315-
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-
244 PM CDT TUE APR 23 2024
SHEBOYGAN WI TO PENTWATER MI SOUTH...
...GALE WARNING IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH
WEDNESDAY MORNING...
TONIGHT
WEST WINDS TO 30 KT VEERING TO NORTH GALES TO 35 KT.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THIS
EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 8 TO
12 FT OCCASIONALLY TO 16 FT.
WEDNESDAY
NORTH WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT.
WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
WEDNESDAY NIGHT
NORTH WINDS 10 TO 20 KT VEERING TO EAST 10 TO
15 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO
3 FT.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
THURSDAY NIGHT
EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO
20 KT. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT.
FRIDAY
SOUTHEAST WINDS 15 TO 25 KT INCREASING TO 30 KT. RAIN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO 12 FT.
FRIDAY NIGHT
SOUTHEAST GALES TO 35 KT BECOMING SOUTH. SHOWERS
WITH A CHANCE OF THUNDERSTORMS. WAVES 7 TO 10 FT OCCASIONALLY TO
13 FT.
SATURDAY
SOUTH GALES TO 35 KT. SHOWERS LIKELY. WAVES 6 TO 9 FT
OCCASIONALLY TO 12 FT.
SUNDAY
SOUTH WINDS TO 30 KT. SHOWERS LIKELY. WAVES 3 TO 5 FT.
LMZ761-240315-
MAFOR 2322/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11750 13850 11840 11130
12120. A CHANCE OF RAIN SHOWERS THIS EVENING. WAVES 3 TO 5 FEET
BUILDING TO 6 TO 10 FEET TONIGHT. WAVES 5 TO 9 FEET SUBSIDING TO
3 TO 6 FEET WEDNESDAY.
MICHIGAN SOUTH...GALE WARNING IN EFFECT...11540 11750 12850 11840
11830 12820. A CHANCE OF RAIN SHOWERS THIS EVENING. WAVES 3 TO 6
FEET BUILDING TO 8 TO 11 FEET TONIGHT. WAVES 8 TO 11 FEET
SUBSIDING TO 3 TO 6 FEET WEDNESDAY.
KUROSKI
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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