![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
755 FZUS63 KMKX 231344 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 844 AM CDT Sun Jun 23 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... Breezy northwest winds will prevail today behind low pressure of 29.4 inches in southeast Ontario. High pressure of 29.9 will then shift east across the lake late tonight through Monday morning with much lighter winds expected. Modest south winds will develop for Monday night, and become breezy on Tuesday as low pressure around 29.2 inches moves across northern Ontario. Modest westerly winds behind the low will then shift to northerly on Wednesday following the passage of a cold front. Another stormy period of weather is expected for late Monday night and Tuesday. LMZ261-362-364-366-563-565-567-868-232115- 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- 844 AM CDT Sun Jun 23 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...North winds to 30 kt becoming northwest 10 to 20 kt. Scattered showers through mid morning, then slight chance of showers this afternoon. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .TONIGHT...Northwest winds 10 to 20 kt diminishing to 10 to 15 kt. Slight chance of showers in the evening. Waves 1 to 3 ft subsiding to 1 to 2 ft. .MONDAY...West winds 5 to 10 kt backing to south. Waves 1 to 2 ft. .MONDAY NIGHT...South winds 10 to 15 kt increasing to 15 to 25 kt overnight. Waves 1 to 2 ft building to 2 to 4 ft. .TUESDAY...South winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms in the morning, then chance of showers in the afternoon. Waves 4 to 6 ft occasionally to 8 ft. .TUESDAY NIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves 1 to 3 ft. .THURSDAY...North winds 10 to 15 kt backing to southwest. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-232115- 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- 844 AM CDT Sun Jun 23 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...Northwest winds 10 to 20 kt increasing to 30 kt late this morning, then becoming northwest to 30 kt early this afternoon diminishing to 15 to 25 kt late. Waves 4 to 6 ft occasionally to 8 ft. .TONIGHT...Northwest winds 10 to 20 kt becoming north 10 to 15 kt. Slight chance of showers in the evening. Waves 3 to 5 ft subsiding to 1 to 3 ft. .MONDAY...North winds 5 to 10 kt veering to south. Waves 1 to 2 ft. .MONDAY NIGHT...Southeast winds 10 to 15 kt becoming south 15 to 25 kt overnight. Waves 1 to 2 ft building to 2 to 4 ft. .TUESDAY...South winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms. Waves 4 to 6 ft occasionally to 8 ft. .TUESDAY NIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt. Chance of showers and thunderstorms. Waves 3 to 5 ft subsiding to 1 to 3 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves 2 to 4 ft. .THURSDAY...Northeast winds 10 to 15 kt. Waves 1 to 3 ft. $$ LMZ761-232115- MAFOR 2316/ MICHIGAN NORTH 12730 11720 11820 11810 11710 11700 11500. Waves 3 to 5 feet subsiding to 2 to 4 feet this afternoon. Waves 1 to 3 feet subsiding to 1 foot or less tonight. Waves 1 foot or less Monday morning. MICHIGAN SOUTH 11740 11730 11720 12710 11810 12800. Waves 3 to 5 feet this afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. Waves 2 feet or less Monday morning. $$ Marquardt Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes