327
FZUS63 KMKX 020806
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
206 AM CST TUE DEC 2 2025
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
A STRONG COLD FRONT ALONG A LOW PRESSURE TROUGH AVERAGING 29.8
INCHES WILL CROSS LAKE MICHIGAN WEDNESDAY. GUSTY SOUTHWEST WINDS
ARE EXPECTED AHEAD OF THIS FRONT EARLY WEDNESDAY MORNING, WITH
GUSTY NORTHWEST WINDS BEHIND IT WEDNESDAY AFTERNOON AND NIGHT.
WINDS WILL REMAIN JUST BELOW GALES FOR MOST THE LAKE, THOUGH A
BRIEF PERIOD OF LOW END GALES IS POSSIBLE WEDNESDAY NIGHT OVER THE
FAR NORTHERN PART OF THE LAKE. VERY COLD AIR WITH THIS SYSTEM
WILL RESULT IN A RISK FOR FREEZING SPRAY WEDNESDAY NIGHT AND
THURSDAY.
LIGHT WINDS ARE EXPECTED THURSDAY WITH THE INFLUENCE OF HIGH
PRESSURE OF 30.4 INCHES OVER ILLINOIS AND INDIANA. ANOTHER PERIOD
OF ELEVATED SOUTHWEST WINDS WILL OCCUR THURSDAY NIGHT INTO FRIDAY
AS ANOTHER LOW PRESSURE TROUGH AROUND 29.8 INCHES CROSSES THE
UPPER GREAT LAKES.
LMZ261-362-364-366-563-565-567-868-021630-
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-
206 AM CST TUE DEC 2 2025
SHEBOYGAN WI TO PENTWATER MI NORTH...
TODAY
WEST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT LATE
THIS MORNING, THEN BECOMING SOUTHWEST 10 TO 20 KT EARLY THIS
AFTERNOON INCREASING TO 15 TO 25 KT LATE. WAVES 2 TO 4 FT
BUILDING TO 3 TO 5 FT.
TONIGHT
SOUTHWEST WINDS 15 TO 25 KT INCREASING TO 30 KT. SNOW
LIKELY OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING
TO 6 TO 9 FT OCCASIONALLY TO 12 FT.
WEDNESDAY
WEST WINDS TO 30 KT BECOMING NORTHWEST. SNOW LIKELY
IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. WAVES 7 TO
10 FT OCCASIONALLY TO 13 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY
TO 10 FT.
WEDNESDAY NIGHT
NORTHWEST GALES TO 35 KT. FREEZING SPRAY.
CHANCE OF SNOW. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT.
THURSDAY
NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT.
FREEZING SPRAY IN THE MORNING. CHANCE OF SNOW IN THE MORNING.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT.
THURSDAY NIGHT
SOUTHWEST GALES TO 40 KT. FREEZING SPRAY.
CHANCE OF SNOW. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT BUILDING TO
8 TO 11 FT OCCASIONALLY TO 14 FT.
FRIDAY
SOUTHWEST WINDS TO 30 KT. CHANCE OF SNOW. WAVES 8 TO
11 FT OCCASIONALLY TO 14 FT.
SATURDAY
NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW. WAVES
3 TO 5 FT SUBSIDING TO 2 TO 4 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-021630-
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-
206 AM CST TUE DEC 2 2025
SHEBOYGAN WI TO PENTWATER MI SOUTH...
TODAY
NORTHWEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO
20 KT. SLIGHT CHANCE OF SNOW THIS MORNING. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT.
TONIGHT
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT.
CHANCE OF SNOW OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT.
WEDNESDAY
SOUTHWEST WINDS TO 30 KT BECOMING NORTHWEST. SNOW
LIKELY IN THE MORNING, THEN SNOW IN THE AFTERNOON. WAVES 8 TO
12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY
TO 12 FT.
WEDNESDAY NIGHT
NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW IN
THE EVENING. FREEZING SPRAY OVERNIGHT. WAVES 8 TO 12 FT
OCCASIONALLY TO 16 FT.
THURSDAY
NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
20 KT. FREEZING SPRAY IN THE MORNING. WAVES 8 TO 11 FT
OCCASIONALLY TO 14 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
THURSDAY NIGHT
SOUTHWEST WINDS TO 30 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT BUILDING TO 8 TO 11 FT OCCASIONALLY TO
14 FT.
FRIDAY
SOUTHWEST WINDS TO 30 KT. CHANCE OF SNOW. WAVES 8 TO
11 FT OCCASIONALLY TO 14 FT.
SATURDAY
NORTHWEST WINDS 10 TO 20 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ761-021630-
MAFOR 0211/
MICHIGAN NORTH 12610 12520 11530 12540 11547. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET, THEN BUILDING TO 2 TO 4 FEET TODAY.
WAVES 3 TO 6 FEET BUILDING TO 5 TO 8 FEET TONIGHT.
MICHIGAN SOUTH 12710 11610 11510 11520 12530 11540. A CHANCE OF
SNOW EARLY THIS MORNING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3
FEET TODAY. WAVES 2 TO 4 FEET BUILDING TO 6 TO 9 FEET TONIGHT.
BOXELL
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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