![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Great Lakes Forecast
Issued by NWS
Issued by NWS
504 FZUS63 KMKX 020802 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 302 AM CDT Tue Jul 2 2024 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... Southeast winds will increase and become south to southeast today into tonight. A cold front will then move east across the lake later tonight into Wednesday morning. Rain and thunderstorms are expected with the frontal passage. Southwest to west winds are expected behind the front Wednesday. Weak high pressure around 30.0 inches will return to the Great Lakes Region Wednesday night into Thursday, bringing a return of lighter winds. LMZ261-362-364-366-563-565-567-868-021530- 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- 302 AM CDT Tue Jul 2 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TODAY...South winds to 30 kt. Chance of showers this morning, then chance of showers and slight chance of thunderstorms this afternoon. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. .TONIGHT...South winds 15 to 25 kt. Chance of showers and slight chance of thunderstorms in the evening, then showers and slight chance of thunderstorms overnight. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .WEDNESDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Chance of showers in the morning. Waves 2 to 4 ft. .WEDNESDAY NIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt. Waves 1 to 3 ft. .THURSDAY...West winds 5 to 10 kt becoming south 10 to 15 kt. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds 5 to 10 kt. Waves 1 to 2 ft. .FRIDAY...East winds 10 to 15 kt increasing to 10 to 20 kt. Showers likely with a chance of thunderstorms. Waves 1 to 3 ft. .SATURDAY...West winds 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-021530- 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- 302 AM CDT Tue Jul 2 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TODAY...Southeast winds 15 to 25 kt increasing to 30 kt. Chance of showers this morning, then chance of showers and slight chance of thunderstorms this afternoon. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. .TONIGHT...Southeast winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .WEDNESDAY...Southwest winds 15 to 25 kt diminishing to 10 to 15 kt. Chance of showers and thunderstorms in the morning. Waves 3 to 5 ft subsiding to 1 to 3 ft. .WEDNESDAY NIGHT...Southwest winds 10 to 15 kt becoming west 5 to 10 kt. Waves 1 to 3 ft. .THURSDAY...Southwest winds 5 to 10 kt backing to southeast. Waves 1 ft or less. .THURSDAY NIGHT...East winds 5 to 10 kt becoming southeast. Chance of showers. Waves 1 to 2 ft. .FRIDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft. .SATURDAY...West winds 10 to 20 kt. Waves 2 to 4 ft. $$ LMZ761-021530- MAFOR 0210/ MICHIGAN NORTH 11430 11440 11446 12440 13436. A chance of thunderstorms overnight. Waves 2 to 4 feet building to 3 to 6 feet today. Waves 3 to 6 feet subsiding to 2 to 4 feet tonight. MICHIGAN SOUTH 11330 11430 12440 11330 13430. A chance of showers today. A chance of showers and thunderstorms tonight. Waves 2 to 4 feet building to 3 to 6 feet today. Waves 3 to 6 feet subsiding to 2 to 4 feet tonight. $$ Patterson Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes