Great Lakes Forecast
Issued by NWS
Issued by NWS
992 FZUS63 KMKX 270152 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 852 PM CDT Fri Apr 26 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... Low pressure around 29.2 inches over the central Great Plains will lift into Minnesota tonight, with gusty southeasterly winds expected. A few gusts late tonight into Saturday morning may approach gale force, especially in the northern half of the Lake as the low continues to lift into Lake Superior. Winds will then become light and northeasterly Saturday night into Sunday morning as the low exits and a weak cold front drapes across central portions of the lake. Sunday into Sunday night, winds will become breezy and southerly south of the front and will become breezy and easterly to northeasterly north of the front. A few thunderstorms are possible this evening into tonight across the southern half of the lake, lifting into the northern half Saturday morning. Additional rounds of showers and thunderstorms are expected Saturday and Sunday. A few storms in the afternoon hours could produce locally gusty winds. LMZ261-362-364-366-563-565-567-868-270915- 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- 852 PM CDT Fri Apr 26 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TONIGHT...Southeast winds to 30 kt. Rain showers likely through early evening, then rain showers likely with slight chance of thunderstorms overnight. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft. .SATURDAY...South winds to 30 kt increasing to gales to 35 kt. Chance of rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers and thunderstorms in the afternoon. Waves 7 to 10 ft occasionally to 13 ft. .SATURDAY NIGHT...Southwest winds to 30 kt diminishing to 15 to 25 kt late in the evening, then becoming west 10 to 20 kt after midnight becoming north 10 to 15 kt late. Chance of rain showers. Waves 6 to 9 ft occasionally to 12 ft subsiding to 2 to 4 ft. .SUNDAY...Northeast winds 10 to 20 kt. Chance of rain showers in the morning, then rain showers in the afternoon. Waves 2 to 4 ft building to 3 to 5 ft. .SUNDAY NIGHT...East winds to 30 kt becoming southeast. Rain showers in the evening, then rain showers with a chance of thunderstorms overnight. Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft. .MONDAY...South winds to 30 kt. Showers likely. Waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft. .MONDAY NIGHT...Southwest winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of rain showers. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft. .TUESDAY...Southwest winds 10 to 20 kt becoming south. Waves 2 to 4 ft. .WEDNESDAY...Southwest winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-270915- 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- 852 PM CDT Fri Apr 26 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TONIGHT...Southeast winds to 30 kt becoming south. Rain showers likely with slight chance of thunderstorms through early evening, then chance of rain showers and thunderstorms overnight. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft. .SATURDAY...South winds to 30 kt. Slight chance of showers and thunderstorms in the morning. Waves 6 to 9 ft occasionally to 12 ft. .SATURDAY NIGHT...South winds to 30 kt becoming southwest 10 to 20 kt. Chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms overnight. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .SUNDAY...Southeast winds 10 to 20 kt becoming south. Rain showers likely with a chance of thunderstorms in the morning, then chance of rain showers in the afternoon. Waves 2 to 4 ft building to 3 to 5 ft. .SUNDAY NIGHT...South winds 10 to 20 kt increasing to 15 to 25 kt. Rain showers likely in the evening, then rain showers with a chance of thunderstorms overnight. Waves 4 to 6 ft occasionally to 8 ft. .MONDAY...South winds 15 to 25 kt increasing to 30 kt. Showers likely. Waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft. .MONDAY NIGHT...Southwest winds 15 to 25 kt becoming west 10 to 20 kt. Chance of showers. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft. .TUESDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt. Waves 1 to 3 ft. .WEDNESDAY...Southwest winds 10 to 20 kt becoming west. Chance of showers. Waves 2 to 4 ft. $$ LMZ761-270915- MAFOR 2704/ MICHIGAN NORTH 12346 12440 12450 11440 11530. Waves 3 to 5 feet building to 4 to 7 feet overnight. Waves 5 to 9 feet Saturday. Waves 6 to 9 feet subsiding to 4 to 7 feet Saturday evening. MICHIGAN SOUTH 11346 13440 11450 12440 11436. A chance of thunderstorms overnight and Saturday evening. Waves 3 to 6 feet building to 4 to 7 feet overnight. Waves 5 to 8 feet Saturday. Waves 3 to 6 feet Saturday evening. $$ Wagner Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes