086
FZUS63 KMKX 160204
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
904 PM CDT SUN MAR 15 2026
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 29.3 INCHES WILL LIFT INTO LOWER MICHIGAN TONIGHT,
DEEPENING TO 29.0 INCHES AND SPREADING NORTHERLY STORM FORCE
WINDS THROUGH THE NORTHERN TWO THIRDS OF THE OPEN WATERS. GALES
CONTINUE ACROSS THE SOUTHERN THIRD. NORTHERLY WINDS WILL CONTINUE
THROUGHOUT TONIGHT, BRINGING VERY COLD AIR AND FREEZING SPRAY TO
THE ENTIRE LAKE BY EARLY MONDAY MORNING. VISIBILITY WILL ALSO BE
HEAVILY RESTRICTED OVER THE LAKE AS HEAVY SNOW MOVES OVER ALL OF
THE LAKE TONIGHT INTO MONDAY MORNING. AS LOW PRESSURE EXITS INTO
ONTARIO MONDAY EVENING, EXPECT STORM FORCE WINDS TO SHIFT TO
NORTHWEST AND DIMINISH TO GALES. FREEZING SPRAY WILL CONTINUE
THROUGH MIDDAY TUESDAY, WHILE GALES CONTINUE INTO TUESDAY MORNING
BEFORE DIMINISHING.
NORTHWEST WINDS EASE TUESDAY MORNING THROUGH TUESDAY AFTERNOON AS
SURFACE HIGH PRESSURE OF 30.3 INCHES APPROACHES THE LAKE.
LMZ261-362-364-366-563-565-567-868-160930-
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-
904 PM CDT SUN MAR 15 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
..STORM WARNING IN EFFECT THROUGH MONDAY EVENING
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 4 AM CDT MONDAY
THROUGH TUESDAY MORNING...
REST OF TONIGHT
NORTHEAST STORM FORCE WINDS TO 50 KT BECOMING
NORTH STORM FORCE WINDS TO 55 KT. FREEZING SPRAY. SNOW, RAIN,
SLIGHT CHANCE OF FREEZING RAIN AND LIGHT SLEET THROUGH EARLY
EVENING, THEN SNOW, SLEET AND SLIGHT CHANCE OF FREEZING RAIN
OVERNIGHT. WAVES 14 TO 18 FT OCCASIONALLY TO 23 FT BUILDING TO
18 TO 23 FT OCCASIONALLY TO 30 FT.
MONDAY
NORTH STORM FORCE WINDS TO 55 KT BECOMING NORTHWEST
STORM FORCE WINDS TO 50 KT. VISIBILITY ONE QUARTER MILE OR LESS
AT TIMES. SNOW AND SLIGHT CHANCE OF FREEZING RAIN IN THE MORNING,
THEN SNOW IN THE AFTERNOON. WAVES 18 TO 23 FT OCCASIONALLY TO
30 FT.
MONDAY NIGHT
NORTHWEST STORM FORCE WINDS TO 50 KT DIMINISHING
TO GALES TO 35 KT. CHANCE OF SNOW. VISIBILITY ONE QUARTER MILE OR
LESS AT TIMES IN THE EVENING. WAVES 15 TO 20 FT OCCASIONALLY TO
26 FT SUBSIDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT.
TUESDAY
NORTHWEST WINDS TO 30 KT BECOMING WEST 10 TO 20 KT IN
THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. WAVES 7 TO
10 FT OCCASIONALLY TO 13 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY
TO 9 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT.
WEDNESDAY
SOUTH WINDS TO 30 KT BECOMING SOUTHWEST. CHANCE OF
SNOW. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.
WEDNESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF RAIN
AND SNOW. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO
6 FT OCCASIONALLY TO 8 FT.
THURSDAY
NORTHWEST WINDS 10 TO 15 KT. WAVES 3 TO 5 FT
SUBSIDING TO 1 TO 3 FT.
FRIDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
SNOW. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ669-671-870-872-160930-
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 WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
904 PM CDT SUN MAR 15 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH TO NORTH POINT LIGHT WI TO
GRAND HAVEN MI...
..STORM WARNING IN EFFECT THROUGH MONDAY EVENING
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 4 AM CDT MONDAY
THROUGH TUESDAY MORNING...
REST OF TONIGHT
NORTH GALES TO 45 KT INCREASING TO STORM FORCE
WINDS TO 50 KT. RAIN, FREEZING RAIN AND SLIGHT CHANCE OF SNOW
THROUGH EARLY EVENING, THEN SNOW, RAIN AND FREEZING RAIN
OVERNIGHT. WAVES 12 TO 16 FT OCCASIONALLY TO 21 FT BUILDING TO
18 TO 23 FT OCCASIONALLY TO 30 FT.
MONDAY
NORTHWEST STORM FORCE WINDS TO 50 KT DIMINISHING TO
GALES TO 45 KT. FREEZING SPRAY IN THE MORNING, THEN HEAVY
FREEZING SPRAY IN THE AFTERNOON. SNOW IN THE MORNING, THEN CHANCE
OF SNOW IN THE AFTERNOON. WAVES 18 TO 23 FT OCCASIONALLY TO
30 FT.
MONDAY NIGHT
NORTHWEST GALES TO 45 KT DIMINISHING TO GALES TO
35 KT. CHANCE OF SNOW IN THE EVENING. HEAVY FREEZING SPRAY. WAVES
15 TO 20 FT OCCASIONALLY TO 26 FT SUBSIDING TO 10 TO 14 FT
OCCASIONALLY TO 18 FT.
TUESDAY
NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT.
HEAVY FREEZING SPRAY IN THE MORNING, THEN FREEZING SPRAY IN THE
AFTERNOON. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING TO
5 TO 8 FT OCCASIONALLY TO 10 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH TO
30 KT OVERNIGHT. WAVES 3 TO 5 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
WEDNESDAY
SOUTH WINDS TO 30 KT. CHANCE OF SNOW IN THE MORNING.
WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT.
THURSDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH. WAVES
2 TO 4 FT.
FRIDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.
LMZ080-673-675-777-779-874-876-878-160930-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
904 PM CDT SUN MAR 15 2026
NORTH POINT LIGHT WI TO GRAND HAVEN MI SOUTH...
..GALE WARNING IN EFFECT THROUGH TUESDAY MORNING
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 4 AM CDT MONDAY
THROUGH TUESDAY MORNING...
REST OF TONIGHT
NORTHWEST GALES TO 35 KT BECOMING NORTH STORM
FORCE WINDS TO 50 KT, THEN BECOMING NORTHWEST GALES TO 45 KT
LATE. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH EARLY
EVENING, THEN SNOW WITH A CHANCE OF RAIN OVERNIGHT. WAVES 8 TO
11 FT OCCASIONALLY TO 14 FT BUILDING TO 18 TO 23 FT OCCASIONALLY
TO 30 FT.
MONDAY
NORTHWEST GALES TO 45 KT DIMINISHING TO GALES TO 40 KT.
FREEZING SPRAY. SNOW IN THE MORNING, THEN SNOW LIKELY IN THE
AFTERNOON. WAVES 18 TO 23 FT OCCASIONALLY TO 30 FT.
MONDAY NIGHT
NORTHWEST GALES TO 40 KT DIMINISHING TO GALES TO
35 KT. FREEZING SPRAY IN THE EVENING, THEN HEAVY FREEZING SPRAY
OVERNIGHT. CHANCE OF SNOW. WAVES 15 TO 20 FT OCCASIONALLY TO
26 FT SUBSIDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT.
TUESDAY
NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT.
FREEZING SPRAY. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING
TO 6 TO 9 FT OCCASIONALLY TO 12 FT.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH TO
30 KT OVERNIGHT. WAVES 3 TO 5 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
WEDNESDAY
SOUTH WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.
CHANCE OF SNOW IN THE MORNING. WAVES 6 TO 9 FT OCCASIONALLY TO
12 FT.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.
THURSDAY
WEST WINDS 10 TO 15 KT BECOMING NORTH. WAVES 2 TO
4 FT.
FRIDAY
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 3 TO
5 FT.
STORM
STORM
LMZ761-160930-
MAFOR 1604/
MICHIGAN NORTH...STORM WARNING IN EFFECT...11177 14877 12777
11762. WAVES 15 TO 19 FEET BUILDING TO 16 TO 21 FEET OVERNIGHT.
WAVES 16 TO 21 FEET SUBSIDING TO 15 TO 20 FEET MONDAY. WAVES 15
TO 20 FEET SUBSIDING TO 14 TO 18 FEET MONDAY EVENING.
MICHIGAN SOUTH...STORM WARNING IN EFFECT...11876 11877 12777
11767 12760 11752. WAVES 15 TO 19 FEET BUILDING TO 17 TO 22 FEET
OVERNIGHT. WAVES 18 TO 23 FEET SUBSIDING TO 15 TO 20 FEET MONDAY.
WAVES 15 TO 20 FEET SUBSIDING TO 14 TO 18 FEET MONDAY EVENING.
MH
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/MKX/GLFTABLE
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page