Expires:202507110915;;233467
FZUS63 KMKX 110151
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
851 PM CDT Thu Jul 10 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... 

High pressure of 30.0 inches currently over the region will 
slowly move east into Friday, while a broad, weak low pressure of
29.8 inches slowly enters from the west. Light winds will become 
southerly by Friday morning between the departing high and 
approaching low. Winds will increase out of the south on Saturday
as the weak low moves overhead, becoming westerly Saturday night 
as it exits

Rounds of scattered showers and thunderstorms are likely through 
tonight, mainly across the south half of the lake. Shower and 
storm chances will then continue Friday night and Saturday across 
the lake. Quiet weather conditions are expected Sunday into early
next week.


LMZ261-362-364-366-563-565-567-868-110915-
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-
851 PM CDT Thu Jul 10 2025

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Southwest winds less than 10 kt becoming
southeast. Waves 1 ft or less. 
.FRIDAY...Southeast winds 5 to 10 kt increasing to 10 to 20 kt.
Slight chance of showers and thunderstorms. Waves 1 to 2 ft. 
.FRIDAY NIGHT...Southeast winds 10 to 15 kt becoming south.
Chance of showers. Waves 1 to 3 ft. 
.SATURDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers in the morning, then showers likely with a
chance of thunderstorms in the afternoon. Waves 2 to 4 ft. 
.SATURDAY NIGHT...Southwest winds 10 to 20 kt becoming west 10 to
15 kt. Showers likely with a chance of thunderstorms in the
evening, then chance of showers overnight. Waves 2 to 4 ft.
.SUNDAY...West winds 10 to 20 kt becoming southwest. Waves 1 to
2 ft. 
.SUNDAY NIGHT...Southwest winds 10 to 15 kt. Waves 1 to 2 ft. 
.MONDAY...Southwest winds 10 to 20 kt. Waves 1 to 3 ft. 
.TUESDAY...Southwest winds 10 to 20 kt becoming south. Waves 1 to
3 ft.  

$$