473
FZUS63 KMKX 061415
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
815 AM CST FRI FEB 6 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 AROUND 29.3 INCHES OVER JAMES BAY WILL ENTER QUEBEC
BY THIS AFTERNOON. NORTHWEST WINDS BEHIND THE LOW AND ASSOCIATED
FRONT WILL PICK UP TODAY. A GALE WARNING AND A HEAVY FREEZING
SPRAY WARNING IS IN EFFECT ACROSS THE NORTHERN TWO THIRDS OF THE
LAKE FOR GALES AND FRIGID TEMPERATURES BEHIND THE COLD FRONT. ONLY
A GALE WARNING IS IN EFFECT FOR THE SOUTHERN THIRD OF THE OPEN
WATERS DUE TO WARMER CONDITIONS. WINDS VEER NORTHERLY TONIGHT AND
GRADUALLY WEAKEN THROUGH SATURDAY AS HIGH PRESSURE BUILDS ACROSS
THE REGION. SOUTHERLY WINDS RETURN WITH MILDER TEMPS AS HIGH
PRESSURE PUSHES EAST FOR SUNDAY.
LMZ261-362-364-366-563-565-567-868-062200-
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-
815 AM CST FRI FEB 6 2026
SHEBOYGAN WI TO PENTWATER MI NORTH...
..GALE WARNING IN EFFECT THROUGH THIS EVENING
..HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHWEST WINDS TO 30 KT BECOMING NORTH GALES TO
40 KT. FREEZING SPRAY THROUGH MID MORNING, THEN HEAVY FREEZING
SPRAY THIS AFTERNOON. CHANCE OF SNOW THROUGH MID MORNING, THEN
CHANCE OF SNOW AND LIGHT FREEZING DRIZZLE THIS AFTERNOON. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 10 TO 14 FT
OCCASIONALLY TO 18 FT.
TONIGHT
NORTH GALES TO 40 KT DIMINISHING TO 30 KT. HEAVY
FREEZING SPRAY. CHANCE OF SNOW AND SLIGHT CHANCE OF LIGHT
FREEZING DRIZZLE IN THE EVENING, THEN CHANCE OF SNOW OVERNIGHT.
WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT SUBSIDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT.
SATURDAY
NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST 5 TO
10 KT. HEAVY FREEZING SPRAY IN THE MORNING. CHANCE OF SNOW IN THE
MORNING. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT SUBSIDING TO 2 TO
4 FT.
SATURDAY NIGHT
WEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO
20 KT. WAVES 1 TO 3 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
SUNDAY NIGHT
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
MONDAY
SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
WAVES 3 TO 5 FT.
TUESDAY
SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.
LMZ669-671-673-675-870-872-874-876-062200-
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 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-
815 AM CST FRI FEB 6 2026
SHEBOYGAN WI TO PENTWATER MI SOUTH TO WINTHROP HARBOR IL TO SOUTH
HAVEN MI...
..GALE WARNING IN EFFECT THROUGH THIS EVENING
..HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTH WINDS TO 30 KT INCREASING TO GALES TO
40 KT. CHANCE OF SNOW AND SLIGHT CHANCE OF DRIZZLE THROUGH MID
MORNING, THEN CHANCE OF SNOW AND LIGHT FREEZING DRIZZLE THIS
AFTERNOON. FREEZING SPRAY THIS AFTERNOON. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT BUILDING TO 12 TO 16 FT OCCASIONALLY TO
21 FT.
TONIGHT
NORTH GALES TO 40 KT DIMINISHING TO 30 KT. HEAVY
FREEZING SPRAY. SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE AND SNOW.
WAVES 12 TO 16 FT OCCASIONALLY TO 21 FT SUBSIDING TO 8 TO 12 FT
OCCASIONALLY TO 16 FT.
SATURDAY
NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST 5 TO
10 KT. FREEZING SPRAY IN THE MORNING. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT SUBSIDING TO 3 TO 5 FT.
SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH
10 TO 20 KT. WAVES 2 TO 4 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
SUNDAY NIGHT
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
MONDAY
SOUTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.
TUESDAY
SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.
LMZ080-777-779-878-062200-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
815 AM CST FRI FEB 6 2026
WINTHROP HARBOR IL TO SOUTH HAVEN MI SOUTH...
..GALE WARNING IN EFFECT THROUGH THIS EVENING
REST OF TODAY
NORTHWEST WINDS 15 TO 25 KT BECOMING NORTH GALES
TO 40 KT. CHANCE OF LIGHT FREEZING DRIZZLE, SLIGHT CHANCE OF
DRIZZLE AND SNOW THROUGH MID MORNING, THEN CHANCE OF SNOW AND
LIGHT FREEZING DRIZZLE THIS AFTERNOON. WAVES 3 TO 5 FT BUILDING
TO 12 TO 16 FT OCCASIONALLY TO 21 FT.
TONIGHT
NORTH GALES TO 40 KT DIMINISHING TO 30 KT. FREEZING
SPRAY. CHANCE OF SNOW AND LIGHT FREEZING DRIZZLE IN THE EVENING,
THEN CHANCE OF SNOW AND SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE
OVERNIGHT. WAVES 12 TO 16 FT OCCASIONALLY TO 21 FT SUBSIDING TO
8 TO 12 FT OCCASIONALLY TO 16 FT.
SATURDAY
NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT EARLY IN THE AFTERNOON, THEN DIMINISHING TO 5 TO 10 KT
LATE. FREEZING SPRAY IN THE MORNING. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT SUBSIDING TO 3 TO 5 FT.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 2 TO 4 FT.
SUNDAY
SOUTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 2 TO 4 FT.
SUNDAY NIGHT
SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
MONDAY
SOUTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.
TUESDAY
SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
LMZ761-062200-
MAFOR 0617/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11850 13852 12842 11832
11820. A CHANCE OF SNOW LATE THIS MORNING, THEN A CHANCE OF SNOW
AND LIGHT FREEZING DRIZZLE THIS AFTERNOON. A CHANCE OF SNOW
TONIGHT AND SATURDAY MORNING. WAVES 7 TO 10 FEET BUILDING TO 10
TO 14 FEET THIS AFTERNOON. WAVES 10 TO 14 FEET SUBSIDING TO 7 TO
10 FEET TONIGHT. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 6 FEET
SATURDAY MORNING. WAVE HEIGHTS ARE FOR ICE FREE AREAS.
MICHIGAN SOUTH...GALE WARNING IN EFFECT...11850 11851 11850 11852
11842 11840 11830 11820. A CHANCE OF LIGHT FREEZING DRIZZLE AND
SNOW LATE THIS MORNING, THEN A CHANCE OF SNOW AND LIGHT FREEZING
DRIZZLE THIS AFTERNOON. WAVES 6 TO 9 FEET BUILDING TO 10 TO 15
FEET THIS AFTERNOON. WAVES 12 TO 16 FEET SUBSIDING TO 8 TO 11
FEET TONIGHT. WAVES 5 TO 9 FEET SATURDAY MORNING.
DDV
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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