452
FZUS63 KMKX 221452
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
852 AM CST SUN DEC 22 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
HIGH PRESSURE OF 30.5 INCHES WILL LINGER ACROSS THE NORTHEAST U.S.
THROUGH MONDAY. LOW PRESSURE AROUND 29.9 INCHES WILL MOVE INTO
FAR NORTHEASTERN NEBRASKA THIS EVENING, THEN SHIFT INTO SOUTHEAST
MINNESOTA TONIGHT AND ACROSS NORTHERN LAKE MICHIGAN INTO NORTHERN
LAKE HURON ON MONDAY. MEANWHILE, HIGH PRESSURE OF 30.2 INCHES WILL
BUILD INTO WESTERN ONTARIO ON MONDAY.
SOUTH WINDS WILL BECOME GUSTY BY THIS AFTERNOON, WITH GUSTS
CONTINUING TONIGHT, BECOMING SOUTHWEST INTO MONDAY MORNING. A FEW
GALE FORCE GUSTS ARE POSSIBLE TONIGHT INTO MONDAY MORNING. A
PERIOD OF MIXED PRECIPITATION, WITH SNOW, FREEZING DRIZZLE, AND
RAIN WILL ACCOMPANY THE PASSAGE OF THE LOW.
WINDS WILL SHIFT TO BECOME NORTHERLY AND WEAKEN BEHIND A COLD
FRONT LATER MONDAY INTO MONDAY NIGHT. LIGHT AND VARIABLE WINDS
ARE EXPECTED ON TUESDAY, AS HIGH PRESSURE AROUND 30.4 INCHES
BUILDS INTO THE REGION.
LMZ261-362-364-366-563-565-567-868-222215-
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-
852 AM CST SUN DEC 22 2024
SHEBOYGAN WI TO PENTWATER MI NORTH...
REST OF TODAY
SOUTH WINDS 10 TO 20 KT INCREASING TO 30 KT.
CHANCE OF SNOW SHOWERS THROUGH MID MORNING, THEN SLIGHT CHANCE OF
SNOW SHOWERS THIS AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 5 TO
8 FT OCCASIONALLY TO 10 FT.
TONIGHT
SOUTH WINDS TO 30 KT. CHANCE OF SNOW AND SLIGHT CHANCE
OF DRIZZLE IN THE EVENING, THEN SNOW WITH POSSIBLE RAIN AND
FREEZING DRIZZLE OVERNIGHT. WAVES 7 TO 10 FT OCCASIONALLY TO
13 FT BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT.
MONDAY
SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 15 TO 25 KT
LATE IN THE MORNING, THEN DIMINISHING TO 10 TO 20 KT EARLY IN THE
AFTERNOON VEERING TO NORTHWEST LATE. RAIN AND SNOW IN THE
MORNING, THEN RAIN WITH SNOW LIKELY IN THE AFTERNOON. WAVES 8 TO
12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY
TO 12 FT.
MONDAY NIGHT
NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
TUESDAY
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES
1 TO 2 FT.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WEDNESDAY
SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THURSDAY
SOUTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-222215-
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-
852 AM CST SUN DEC 22 2024
SHEBOYGAN WI TO PENTWATER MI SOUTH...
REST OF TODAY
SOUTH WINDS 10 TO 20 KT INCREASING TO 30 KT.
WAVES 3 TO 5 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
TONIGHT
SOUTH WINDS TO 30 KT. SLIGHT CHANCE OF RAIN, LIGHT
FREEZING DRIZZLE AND SNOW OVERNIGHT. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT BUILDING TO 10 TO 14 FT OCCASIONALLY TO
18 FT.
MONDAY
SOUTH WINDS TO 30 KT BECOMING WEST. RAIN AND SNOW
LIKELY IN THE MORNING, THEN RAIN IN THE AFTERNOON. WAVES 8 TO
12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY
TO 12 FT.
MONDAY NIGHT
NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 5 TO
10 KT OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING
TO 2 TO 4 FT.
TUESDAY
NORTHEAST WINDS 5 TO 10 KT BECOMING EAST. WAVES 1 TO
2 FT.
TUESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
THURSDAY
SOUTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
LMZ761-222215-
MAFOR 2217/
MICHIGAN NORTH 11430 13440 14447. A CHANCE OF SNOW SHOWERS LATE
THIS MORNING. WAVES 3 TO 6 FEET BUILDING TO 4 TO 7 FEET THIS
AFTERNOON. WAVES 7 TO 11 FEET BUILDING TO 9 TO 12 FEET TONIGHT.
WAVES 7 TO 11 FEET MONDAY MORNING.
MICHIGAN SOUTH 12430 14440 11447 11547. WAVES 2 TO 4 FEET
BUILDING TO 4 TO 7 FEET THIS AFTERNOON. WAVES 6 TO 9 FEET
BUILDING TO 8 TO 12 FEET TONIGHT. WAVES 7 TO 11 FEET MONDAY
MORNING.
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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