Great Lakes Forecast
Issued by NWS
Issued by NWS
863 FZUS63 KMKX 192027 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 327 PM CDT Sun May 19 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... Light and variable winds will continue over the lake through the rest of the afternoon and evening as high pressure of 30.0 moves northeast. Winds will then come around to southeasterly by daybreak on Monday and should become more southerly by Monday afternoon. Breezy southerly winds will remain Monday night into Tuesday morning before winds become southeasterly ahead of a low pressure system that will deepen to 29.4 inches as it approaches the Upper Great Lakes Region. Periods of thunderstorms are also expected over the lake Monday through Wednesday morning. LMZ261-362-364-366-563-565-567-868-200330- 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- 327 PM CDT Sun May 19 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...South winds 10 to 15 kt becoming southeast. Waves 1 to 2 ft. .MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt. Chance of showers and slight chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft. .MONDAY NIGHT...South winds 10 to 20 kt becoming southwest 10 to 15 kt late in the evening, then becoming west after midnight diminishing to 5 to 10 kt late. Showers likely with a chance of thunderstorms in the evening, then chance of showers and thunderstorms overnight. Waves 2 to 4 ft. .TUESDAY...Northeast winds 10 to 15 kt becoming east 10 to 20 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft. .TUESDAY NIGHT...Southeast winds 15 to 25 kt becoming south to 30 kt. Chance of showers and thunderstorms in the evening, then showers and thunderstorms overnight. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft. .WEDNESDAY...Southwest winds to 30 kt. Chance of showers. Waves 5 to 8 ft occasionally to 10 ft. .WEDNESDAY NIGHT...Southwest winds to 30 kt becoming west. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .THURSDAY...West winds to 30 kt becoming southwest 15 to 25 kt. Waves 3 to 5 ft. .FRIDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-200330- 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- 327 PM CDT Sun May 19 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...North winds 10 to 15 kt veering to southeast. Waves 1 to 3 ft. .MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft. .MONDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to 15 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft subsiding to 1 to 3 ft. .TUESDAY...South winds 10 to 15 kt becoming southeast 10 to 20 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft building to 2 to 4 ft. .TUESDAY NIGHT...South winds to 30 kt. Showers and thunderstorms likely. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft. .WEDNESDAY...Southwest winds to 30 kt diminishing to 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft. .WEDNESDAY NIGHT...West winds 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .THURSDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to 4 ft. .FRIDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ761-200330- MAFOR 1922/ MICHIGAN NORTH 11510 12300 13310 11326 11320. A chance of thunderstorms Monday afternoon. Waves 1 foot or less tonight. Waves 1 to 3 feet Monday. MICHIGAN SOUTH 11810 11110 11200 13310 11320 11420. A chance of showers and thunderstorms Monday afternoon. Waves 2 feet or less tonight. Waves 1 to 3 feet Monday. $$ CMiller Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes