Great Lakes Forecast
Issued by NWS
Issued by NWS
088 FZUS63 KMKX 130749 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 249 AM CDT Mon May 13 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... A weak cold front draped across the northern third of Lake Michigan will slowly push southward through today. Expect southwest winds ahead of this front, with light north winds behind it. A few thunderstorms are possible across the southern half this afternoon and evening ahead of this front. Northeast winds will increase tonight into Tuesday as low pressure around 29.6 inches develops in the Middle Mississippi Valley. Winds shift northerly as low pressure tracks into Ohio Tuesday afternoon and evening, with winds diminishing into Tuesday night as the low weakens. Winds remain light and northerly through Wednesday as high pressure of 30.1 inches over the Hudson Bay noses into the region. Winds are expected to remain light through Thursday. LMZ261-362-364-366-563-565-567-868-131530- 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- 249 AM CDT Mon May 13 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TODAY...Northwest winds 10 to 15 kt becoming north 10 to 20 kt. Slight chance of rain showers this afternoon. Waves 1 to 3 ft. .TONIGHT...North winds 10 to 20 kt increasing to 15 to 25 kt. Waves 3 to 5 ft. .TUESDAY...North winds 10 to 20 kt increasing to 30 kt. Waves 4 to 6 ft occasionally to 8 ft. .TUESDAY NIGHT...North winds 15 to 25 kt becoming northeast 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .WEDNESDAY...Northeast winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. .WEDNESDAY NIGHT...Northeast winds 10 to 15 kt becoming east 5 to 10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft. .THURSDAY...Southeast winds 10 to 20 kt. Chance of showers. Waves 1 to 2 ft. .FRIDAY...North winds 10 to 15 kt veering to southeast. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-131530- 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- 249 AM CDT Mon May 13 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TODAY...Southwest winds 10 to 20 kt veering to northwest. Chance of rain showers and slight chance of thunderstorms this afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft. .TONIGHT...North winds 10 to 15 kt becoming northeast 15 to 25 kt. Rain showers and slight chance of thunderstorms in the evening, then rain showers likely overnight. Waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft. .TUESDAY...Northeast winds 15 to 25 kt becoming north to 30 kt. Chance of rain showers. Waves 5 to 8 ft occasionally to 10 ft. .TUESDAY NIGHT...North winds to 30 kt becoming northeast 10 to 20 kt overnight. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. .WEDNESDAY...North winds 10 to 20 kt. Waves 2 to 4 ft. .WEDNESDAY NIGHT...North winds 10 to 20 kt veering to southeast 5 to 10 kt. Waves 2 to 4 ft. .THURSDAY...Southeast winds 10 to 15 kt becoming south. Chance of showers. Waves 1 to 2 ft. .FRIDAY...West winds 10 to 15 kt backing to southeast. Chance of showers. Waves 1 to 3 ft. $$ LMZ761-131530- MAFOR 1310/ MICHIGAN NORTH 11710 13810 12820 12830. Waves 1 to 3 feet today. Waves 1 to 3 feet building to 3 to 5 feet tonight. MICHIGAN SOUTH 13520 11610 11816 11826 12136. Waves 1 to 3 feet today. Waves 2 feet or less building to 3 to 6 feet tonight. $$ MH Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes