Great Lakes Forecast
Issued by NWS
Issued by NWS
172 FZUS63 KMKX 171351 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 851 AM CDT Mon Jun 17 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... Modest southerly winds will prevail through tonight. Low pressure around 29.5 inches lifting from the northern Plains into northwestern Ontario on Tuesday will then produce gusty southerly winds Tuesday through Tuesday night. Light southwesterly winds are then expected as the low continues to lift into the Hudson Bay, with a cold front slowly pushing southward across the lake Wednesday night into Thursday, shifting winds northeasterly. Periods of thunderstorms are expected this afternoon, with slight chances on Tuesday morning. Slight chances are expected again Tuesday afternoon across the southern half. Thunderstorms become more likely on Wednesday into Wednesday night across the open waters. LMZ261-362-364-366-563-565-567-868-172115- 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 AM CDT Mon Jun 17 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...South winds 10 to 20 kt. Slight chance of showers and thunderstorms this afternoon. Waves 2 to 4 ft. .TONIGHT...South winds 10 to 20 kt. Slight chance of showers and thunderstorms. Waves 3 to 5 ft. .TUESDAY...South winds 15 to 25 kt increasing to 30 kt. Waves 4 to 6 ft occasionally to 8 ft. .TUESDAY NIGHT...South winds to 30 kt diminishing to 15 to 25 kt. Waves 4 to 7 ft occasionally to 9 ft. .WEDNESDAY...South winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms in the afternoon. Waves 4 to 6 ft occasionally to 8 ft. .WEDNESDAY NIGHT...South winds 10 to 20 kt backing to northeast 5 to 10 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft subsiding to 1 to 3 ft. .THURSDAY...Northeast winds 10 to 15 kt becoming north. Chance of showers. Waves 1 to 2 ft. .FRIDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-172115- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 851 AM CDT Mon Jun 17 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...South winds 10 to 20 kt. Slight chance of showers and thunderstorms this afternoon. Waves 2 to 4 ft. .TONIGHT...South winds 10 to 20 kt. Slight chance of showers and thunderstorms. Waves 2 to 4 ft. .TUESDAY...South winds 10 to 20 kt increasing to 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. .TUESDAY NIGHT...South winds 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. .WEDNESDAY...South winds 10 to 20 kt. Waves 3 to 5 ft. .WEDNESDAY NIGHT...South winds 10 to 15 kt becoming southwest 5 to 10 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft. .THURSDAY...North winds 10 to 15 kt. Waves 1 to 2 ft. .FRIDAY...North winds 10 to 15 kt becoming northeast. Waves 1 to 2 ft. $$ LMZ761-172115- MAFOR 1716/ MICHIGAN NORTH 11420 11520 14420 11420 11430. Waves 1 to 3 feet this afternoon. Waves 1 to 3 feet building to 2 to 4 feet tonight. Waves 2 to 4 feet Tuesday morning. MICHIGAN SOUTH 15420 11420 11430. Waves 1 to 3 feet this afternoon. Waves 1 to 3 feet building to 2 to 4 feet tonight. Waves 2 to 4 feet Tuesday morning. $$ Sheppard Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes