072
FZUS63 KMKX 010733
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
233 AM CDT SAT NOV 1 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
28.7 INCH LOW PRESSURE IS CENTERED OVER THE CANADIAN MARITIMES
THIS MORNING. A SURFACE FRONT EXTENDS WEST FROM THE LOW, AND IS
SLOWLY WORKING SOUTH ACROSS THE WATERS. WINDS ARE THUS OUT OF THE
WEST-NORTHWEST OVER SOUTHERN LAKE MICHIGAN AND NORTHERLY FURTHER
NORTH. AN UPPER DISTURBANCE WILL COMBINE WITH THE FRONT TO SUPPORT
CONTINUED POTENTIAL FOR RAIN SHOWERS THROUGH TODAY, WITH EMBEDDED
THUNDERSTORMS POSSIBLE OVER THE SOUTHERN HALF OF THE LAKE.
WATERSPOUTS MAY ACCOMPANY STRONGER STORMS, PARTICULARLY FROM
PREDAWN THROUGH EARLY EVENING. RADAR TRENDS WILL BE MONITORED,
WITH SPECIAL MARINE WARNINGS BEING ISSUED IF NECESSARY. WINDS,
ALONG WITH PRECIPITATION CHANCES, WILL DECREASE TONIGHT AS 30.2
INCH HIGH PRESSURE MOVES FROM THE GREAT PLAINS INTO THE MIDDLE
MISSISSIPPI RIVER VALLEY.
SOUTHWEST WINDS WILL QUICKLY INCREASE DURING THE DAY ON SUNDAY, WHEN
29.2 INCH LOW PRESSURE IS FORECAST TO MOVE INTO ONTARIO FROM THE
CANADIAN GREAT PLAINS. WINDS WILL BECOME GUSTY SUNDAY NIGHT AS THE
LOW MOVES INTO THE HUDSON BAY. GALES ARE EXPECTED DURING THIS
TIME FRAME, PARTICULARLY OVER THE NORTHERN HALF OF LAKE MICHIGAN.
A GALE WATCH IS NOW IN EFFECT BETWEEN 3 PM CST SUNDAY AND 6 AM
CST MONDAY GIVEN THIS POTENTIAL. WINDS WILL TURN OUT OF THE WEST-
NORTHWEST AS A COLD FRONT CROSSES THE WATERS MONDAY MORNING AND
AFTERNOON, REMAINING GUSTY INTO THE EARLY EVENING. A FEW GALES
WILL REMAIN POSSIBLE DURING THIS TIME FRAME, BUT AREN'T EXPECTED
TO BE AS WIDESPREAD COMPARED TO SUNDAY EVENING/NIGHT. AREAS OF
WIDESPREAD RAIN ARE EXPECTED AHEAD OF THE PASSING LOW AND COLD
FRONT SUNDAY NIGHT INTO MONDAY AFTERNOON. WATERSPOUTS AREN'T
ANTICIPATED AT THIS TIME, THOUGH TRENDS WILL BE MONITORED IN
COMING FORECASTS. WINDS WILL TAPER LATE MONDAY NIGHT THROUGH
TUESDAY AS HIGH PRESSURE CROSSES LAKE MICHIGAN.
LMZ261-362-364-366-563-565-567-868-011530-
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-
233 AM CDT SAT NOV 1 2025
SHEBOYGAN WI TO PENTWATER MI NORTH...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...
TODAY
NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
SLIGHT CHANCE OF WATERSPOUTS. SLIGHT CHANCE OF RAIN. WAVES 2 TO
4 FT.
TONIGHT
NORTH WINDS 10 TO 15 KT BACKING TO WEST. SLIGHT CHANCE
OF RAIN IN THE EVENING. WAVES 1 TO 3 FT SUBSIDING TO 1 FT OR
LESS.
SUNDAY
SOUTHWEST WINDS 10 TO 15 KT INCREASING TO GALES TO
35 KT. WAVES 1 FT OR LESS BUILDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
SUNDAY NIGHT
SOUTHWEST GALES TO 45 KT. CHANCE OF RAIN IN THE
EVENING, THEN RAIN OVERNIGHT. WAVES 8 TO 11 FT OCCASIONALLY TO
14 FT BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16 FT.
MONDAY
WEST GALES TO 35 KT DIMINISHING TO 30 KT. CHANCE OF
RAIN IN THE MORNING. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT
SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
MONDAY NIGHT
WEST GALES TO 35 KT DIMINISHING TO 30 KT. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
TUESDAY
WEST WINDS 15 TO 25 KT BECOMING SOUTHWEST. WAVES 3 TO
5 FT.
WEDNESDAY
WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 15 TO
25 KT. CHANCE OF RAIN. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-011530-
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-
233 AM CDT SAT NOV 1 2025
SHEBOYGAN WI TO PENTWATER MI SOUTH...
TODAY
NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 10 TO 15 KT.
SLIGHT CHANCE OF WATERSPOUTS. CHANCE OF RAIN AND SLIGHT CHANCE OF
THUNDERSTORMS THIS MORNING, THEN CHANCE OF RAIN THIS AFTERNOON.
WAVES 2 TO 4 FT.
TONIGHT
NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT.
CHANCE OF RAIN IN THE EVENING, THEN SLIGHT CHANCE OF RAIN
OVERNIGHT. WAVES 1 TO 3 FT.
SUNDAY
WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 15 KT
LATE IN THE MORNING, THEN INCREASING TO 10 TO 20 KT EARLY IN THE
AFTERNOON INCREASING TO 15 TO 25 KT LATE. WAVES 1 TO 3 FT
BUILDING TO 3 TO 5 FT.
SUNDAY NIGHT
SOUTHWEST WINDS TO 30 KT. A FEW GALE FORCE GUSTS
POSSIBLE. CHANCE OF RAIN OVERNIGHT. WAVES 7 TO 10 FT OCCASIONALLY
TO 13 FT BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16 FT.
MONDAY
WEST WINDS TO 30 KT. WAVES 8 TO 11 FT OCCASIONALLY TO
14 FT SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT.
MONDAY NIGHT
NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT SUBSIDING TO 6 TO
9 FT OCCASIONALLY TO 12 FT.
TUESDAY
WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT.
WEDNESDAY
WEST WINDS 15 TO 25 KT BECOMING NORTHWEST. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
LMZ761-011530-
MAFOR 0110/
MICHIGAN NORTH 14810 11810 11800 11700 11600. WAVES 1 TO 3 FEET
TODAY. WAVES 2 FEET OR LESS TONIGHT.
MICHIGAN SOUTH 11710 11820 14810 12800. A CHANCE OF RAIN TODAY
AND THIS EVENING. WAVES 1 TO 3 FEET.
QUIGLEY
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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