262
FZUS63 KMKX 211513
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
913 AM CST THU NOV 21 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
LOW PRESSURE OF 29.4 INCHES NEAR DOOR COUNTY, WISCONSIN WILL
TRACK DOWN THE AXIS OF LAKE MICHIGAN TODAY, REACHING THE FAR
SOUTHERN TIP BY LATE AFTERNOON WHILE WEAKENING TO 29.5 INCHES.
SNOW AND RAIN WILL REDUCE VISIBILITY ALONG THE AREA OF LOW
PRESSURE. EXPECT WEST-NORTHWESTERLY GALES OF 35 TO 45 KNOTS TODAY
NEAR THE CENTER OF THE LOW. THE MAJORITY OF THESE GUSTS WILL BE
ACROSS WESTERN PORTIONS OF THE LAKE. NORTHERLY GUSTS IN THE WAKE
OF THE LOW WILL TAPER OFF FROM NORTH TO SOUTH THROUGH MID EVENING
AS LOW PRESSURE FILLS AND EXITS TO THE EAST. NORTHWESTERLY WINDS
CONTINUE THROUGH FRIDAY, WITH GUSTS AROUND 30 KNOTS EXPECTED IN
THE SOUTHERN HALF AS HIGH PRESSURE OF 30.2 INCHES BUILDS INTO THE
NORTHERN PLAINS.
LMZ261-362-364-366-563-565-567-868-212230-
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-
913 AM CST THU NOV 21 2024
SHEBOYGAN WI TO PENTWATER MI NORTH...
..GALE WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING
REST OF TODAY
WEST NORTHWEST GALES TO 35 KT VEERING TO
NORTHEAST TO 30 KT. CHANCE OF RAIN THROUGH MID MORNING, THEN
SLIGHT CHANCE OF RAIN THIS AFTERNOON. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT.
TONIGHT
NORTH WINDS 10 TO 20 KT INCREASING TO 30 KT. CHANCE OF
RAIN IN THE EVENING, THEN SLIGHT CHANCE OF RAIN OVERNIGHT. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 5 TO 8 FT OCCASIONALLY
TO 10 FT.
FRIDAY
NORTH WINDS TO 30 KT. WAVES 7 TO 10 FT OCCASIONALLY TO
13 FT.
FRIDAY NIGHT
NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. CHANCE OF RAIN SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
SATURDAY
NORTHWEST WINDS 15 TO 25 KT. CHANCE OF RAIN SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.
SATURDAY NIGHT
NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
SUNDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 1 TO 2 FT BUILDING TO 2 TO 4 FT.
MONDAY
SOUTHEAST WINDS 10 TO 20 KT BACKING TO NORTHWEST 15 TO
25 KT. RAIN SHOWERS LIKELY. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-212230-
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-
913 AM CST THU NOV 21 2024
SHEBOYGAN WI TO PENTWATER MI SOUTH...
..GALE WARNING IN EFFECT THROUGH THIS EVENING
REST OF TODAY
WEST GALES 35 TO 40 KT BECOMING NORTHWEST GALES
TO 40 KT EARLY THIS AFTERNOON BECOMING NORTH LATE. RAIN. WAVES 7
TO 10 FT OCCASIONALLY TO 13 FT BUILDING TO 12 TO 16 FT
OCCASIONALLY TO 21 FT.
TONIGHT
NORTH GALES TO 35 KT DIMINISHING TO 30 KT. CHANCE OF
RAIN. WAVES 12 TO 16 FT OCCASIONALLY TO 21 FT SUBSIDING TO 7 TO 10
FT OCCASIONALLY TO 13 FT.
FRIDAY
NORTHWEST WINDS TO 30 KT. CHANCE OF RAIN IN THE
MORNING, THEN RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 10 TO 14
FT OCCASIONALLY TO 18 FT.
FRIDAY NIGHT
NORTHWEST WINDS 15 TO 25 KT. CHANCE OF RAIN
SHOWERS IN THE EVENING. WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT
SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 12 FT.
SATURDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT.
SATURDAY NIGHT
WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 5 TO
10 KT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT BUILDING TO
3 TO 5 FT.
MONDAY
NORTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT. CHANCE
OF RAIN SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO
5 TO 8 FT OCCASIONALLY TO 10 FT.
LMZ761-212230-
MAFOR 2117/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11150 11140 13830
13840. A CHANCE OF RAIN LATE THIS MORNING AND THIS EVENING. WAVES
6 TO 10 FEET THIS AFTERNOON. WAVES 3 TO 6 FEET BUILDING TO 5 TO 8
FEET TONIGHT. WAVES 6 TO 9 FEET FRIDAY MORNING.
MICHIGAN SOUTH...GALE WARNING IN EFFECT...11756 11866 11860 11850
12840 11740 11750. WAVES 8 TO 12 FEET BUILDING TO 10 TO 14 FEET
THIS AFTERNOON. WAVES 11 TO 15 FEET SUBSIDING TO 7 TO 10 FEET
TONIGHT. WAVES 9 TO 13 FEET FRIDAY MORNING.
GEHRING
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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