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Great Lakes Forecast
Issued by NWS
Issued by NWS
799 FZUS63 KMKX 291910 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 210 PM CDT Sat Jun 29 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 cold front will across Lake Michigan into this evening, causing winds to shift northwest. Gusty northwest to north winds are then expected tonight into Sunday. These winds will weaken Sunday night into Monday, and generally become east, as high pressure around 30.3 inches builds in from the Northern Plains. The high will move east of the region Monday night, with increasing southeast to south winds developing over the lake. These winds may linger into Tuesday night, before a cold front moves east across the region. LMZ261-362-364-366-563-565-567-868-300315- 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- 210 PM CDT Sat Jun 29 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...Northwest winds to 30 kt becoming north. Slight chance of showers and thunderstorms this evening. Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft. .SUNDAY...North winds to 30 kt diminishing to 10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft. .SUNDAY NIGHT...North winds 10 to 20 kt diminishing to 5 to 10 kt. Waves 2 to 4 ft subsiding to 1 ft or less. .MONDAY...Northwest winds 5 to 10 kt backing to southwest. 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 3 to 5 ft. .TUESDAY...South winds to 30 kt. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 4 to 7 ft occasionally to 9 ft. .TUESDAY NIGHT...South winds 15 to 25 kt. Showers with a chance of thunderstorms. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft. .WEDNESDAY...Southwest winds 15 to 25 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft. .THURSDAY...West winds 10 to 15 kt becoming south. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-300315- 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- 210 PM CDT Sat Jun 29 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...West winds 15 to 25 kt becoming northwest to 30 kt late this evening, then becoming north after midnight becoming north to 30 kt late. Waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft. .SUNDAY...North winds to 30 kt diminishing to 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft. .SUNDAY NIGHT...North winds 15 to 25 kt becoming northeast 10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .MONDAY...East winds 10 to 15 kt becoming southeast. Waves 1 to 3 ft. .MONDAY NIGHT...Southeast winds 10 to 15 kt increasing to 15 to 25 kt overnight. Waves 1 to 2 ft building to 3 to 5 ft. .TUESDAY...South winds to 30 kt. Chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 4 to 7 ft occasionally to 9 ft. .TUESDAY NIGHT...South winds 15 to 25 kt. Chance of showers and thunderstorms. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft. .WEDNESDAY...Southwest winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers. Waves 3 to 5 ft subsiding to 2 to 4 ft. .THURSDAY...West winds 10 to 15 kt backing to south. Chance of showers. Waves 1 to 2 ft. $$ LMZ761-300315- MAFOR 2922/ MICHIGAN NORTH 11630 13740 11840 12830 11820. A chance of showers and thunderstorms early this evening. Waves 1 to 3 feet building to 3 to 6 feet tonight. Waves 3 to 6 feet subsiding to 2 to 4 feet Sunday. MICHIGAN SOUTH 11630 12740 12840 13830. Waves 1 to 3 feet building to 4 to 7 feet tonight. Waves 4 to 7 feet Sunday. $$ Wood Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes