Great Lakes Forecast
Issued by NWS
Issued by NWS
985 FZUS63 KMKX 251359 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 859 AM CDT Sat May 25 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... West winds at 10 to 20 kts continue across the lake this morning. Low pressure around 29.4 inches will continue to slowly lift through far southeast Manitoba / southwest Ontario today. High pressure around 29.9 inches will move across Lake Michigan this afternoon and evening, bringing light southerly winds, before another low pressure area around 29.4 inches approaches from the Central Plains and moves across either central or northern Lake Michigan Sunday night. Expect southeasterly winds to increase as this low approaches, followed by west to northwest winds on Monday as the low departs northeastward. Numerous showers and thunderstorms will move across the lake Sunday and Sunday night. LMZ261-362-364-366-563-565-567-868-252115- 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- 859 AM CDT Sat May 25 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...West winds 10 to 20 kt becoming south. Waves 2 to 4 ft. .TONIGHT...South winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 1 to 3 ft. .SUNDAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt late in the morning, then becoming east early in the afternoon increasing to 15 to 25 kt late. Chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft. .SUNDAY NIGHT...Southeast winds to 30 kt backing to north. Showers with a chance of thunderstorms. Waves 3 to 5 ft. .MONDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers. Waves 3 to 5 ft. .MONDAY NIGHT...Northwest winds 15 to 25 kt. Chance of showers. Waves 2 to 4 ft. .TUESDAY...Northwest winds 15 to 25 kt. Chance of showers. Waves 2 to 4 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves 2 to 4 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-252115- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 859 AM CDT Sat May 25 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...Northwest winds 10 to 20 kt backing to south 10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft. .TONIGHT...South winds 10 to 15 kt becoming southeast. Waves 1 to 2 ft. .SUNDAY...Southeast winds 10 to 20 kt increasing to 15 to 25 kt. Chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft. .SUNDAY NIGHT...South winds 15 to 25 kt veering to west. Showers with a chance of thunderstorms in the evening, then chance of showers and thunderstorms overnight. Waves 3 to 5 ft. .MONDAY...West winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers in the morning. Waves 4 to 6 ft occasionally to 8 ft. .MONDAY NIGHT...West winds 10 to 20 kt. Chance of showers. Waves 3 to 5 ft. .TUESDAY...West winds 10 to 20 kt becoming northwest. Waves 2 to 4 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves 3 to 5 ft. $$ LMZ761-252115- MAFOR 2516/ MICHIGAN NORTH 11520 14420 12410 11310. Waves 1 to 3 feet this afternoon. Waves 2 feet or less tonight and Sunday morning. MICHIGAN SOUTH 11610 13410 12310 12320. A chance of showers Sunday morning. Waves 1 to 3 feet this afternoon. Waves 1 foot or less tonight. Waves 1 to 3 feet Sunday 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