Great Lakes Forecast
Issued by NWS
Issued by NWS
672 FZUS63 KMKX 241336 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 836 AM CDT Tue Sep 24 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... Weak high pressure around 30.1 inches will remain northeast of Lake Superior while low pressure around 29.7 inches tracks from central IL to southern lower MI today. This will bring the chance for thunderstorms and waterspouts over southern Lake MI. The low will also maintain modest east to northeast winds shifting northerly for tonight and Wednesday as the low moves away. Predominately north to northeast winds are expected across the lake until Wednesday when they briefly take on a westerly component. Light and variable winds are expected Wednesday night. LMZ261-362-364-366-563-565-567-868-242115- 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- 836 AM CDT Tue Sep 24 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...East winds 10 to 15 kt becoming northeast. Chance of showers. Waves 1 to 3 ft. .TONIGHT...Northeast winds 10 to 20 kt becoming north 10 to 15 kt. Slight chance of showers in the evening. Waves 1 to 3 ft. .WEDNESDAY...North winds 10 to 15 kt becoming northwest. Waves 2 to 4 ft. .WEDNESDAY NIGHT...Southwest winds 10 to 15 kt becoming west 5 to 10 kt. Waves 1 to 2 ft. .THURSDAY...North winds 5 to 10 kt becoming northeast 10 to 15 kt. Waves 1 ft or less. .THURSDAY NIGHT...East winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 2 ft. .FRIDAY...East winds 10 to 15 kt becoming northeast 10 to 20 kt. Waves 1 to 3 ft. .SATURDAY...East winds 10 to 20 kt becoming northeast. Waves 2 to 4 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-242115- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 836 AM CDT Tue Sep 24 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...East winds 10 to 15 kt becoming northeast. Slight chance of waterspouts. Showers likely with slight chance of thunderstorms. Waves 2 to 4 ft. .TONIGHT...North winds 10 to 20 kt. Slight chance of waterspouts. Chance of showers and slight chance of thunderstorms in the evening, then chance of showers overnight. Waves 2 to 4 ft. .WEDNESDAY...North winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft. .WEDNESDAY NIGHT...North winds 10 to 15 kt becoming northeast 5 to 10 kt. Waves 1 to 3 ft. .THURSDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft. .THURSDAY NIGHT...Northeast winds 10 to 20 kt becoming east. Waves 2 to 4 ft. .FRIDAY...Northeast winds 15 to 25 kt increasing to 30 kt. Waves 4 to 6 ft occasionally to 8 ft. .SATURDAY...East winds 15 to 25 kt becoming northeast. Chance of showers. Waves 4 to 6 ft occasionally to 8 ft. $$ LMZ761-242115- MAFOR 2416/ MICHIGAN NORTH 11210 13110 14810. A chance of showers this afternoon. Waves 2 feet or less this afternoon and tonight. Waves 1 to 3 feet Wednesday morning. MICHIGAN SOUTH 11216 11116 14820 12810. Waves 1 to 3 feet. $$ DDV Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes