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Great Lakes Forecast
Issued by NWS
Issued by NWS
238 FZUS63 KMKX 270302 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 1002 PM CDT Wed Jun 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... Gusty north to northeast winds are expected into tonight. High pressure around 30.1 inches will slowly move across Lake Michigan on Thursday, bringing diminishing winds. Increasing southeast to south winds are then forecast for Friday into Friday night, becoming southwest to west on Saturday, as a cold front moves through the region. Chances for showers and thunderstorms increase during this period. Gusty northwest winds then should occur Saturday night into Sunday, before high pressure around 30.2 inches moves into the region Sunday night. LMZ261-362-364-366-563-565-567-868-270930- 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- 1002 PM CDT Wed Jun 26 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TONIGHT...North winds to 30 kt diminishing to 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .THURSDAY...North winds 10 to 20 kt backing to southwest 10 to 15 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft. .THURSDAY NIGHT...South winds 10 to 15 kt becoming southeast 10 to 20 kt. Waves 1 to 2 ft. .FRIDAY...South winds 15 to 25 kt. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. .FRIDAY NIGHT...South winds 15 to 25 kt. Chance of showers in the evening, then showers likely overnight. Waves 4 to 6 ft occasionally to 8 ft. .SATURDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Chance of showers. Waves 3 to 5 ft. .SATURDAY NIGHT...Northwest winds 15 to 25 kt. Waves 2 to 4 ft building to 3 to 5 ft. .SUNDAY...North winds 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. .MONDAY...East winds 10 to 15 kt veering to south 10 to 20 kt. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-270930- 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- 1002 PM CDT Wed Jun 26 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TONIGHT...North winds 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. .THURSDAY...North winds 15 to 25 kt diminishing to 10 to 15 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .THURSDAY NIGHT...Northeast winds 10 to 15 kt veering to southeast 10 to 20 kt. Waves 1 to 3 ft. .FRIDAY...Southeast winds 15 to 25 kt becoming south. Waves 4 to 6 ft occasionally to 8 ft. .FRIDAY NIGHT...South winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers in the evening, then showers with a chance of thunderstorms overnight. Waves 4 to 6 ft occasionally to 8 ft. .SATURDAY...Southwest winds 10 to 20 kt. Chance of showers and thunderstorms in the morning, then chance of showers in the afternoon. Waves 3 to 5 ft. .SATURDAY NIGHT...West winds 15 to 25 kt becoming northwest. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. .SUNDAY...North winds 15 to 25 kt. Waves 4 to 7 ft occasionally to 9 ft. .MONDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ761-270930- MAFOR 2704/ MICHIGAN NORTH 11830 12820 11810 11710 12510 11400. Waves 3 to 5 feet subsiding to 2 to 4 feet overnight. Waves 1 to 3 feet Thursday. Waves 2 feet or less Thursday evening. MICHIGAN SOUTH 13830 12820 12810 11110. Waves 3 to 6 feet overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet Thursday. Waves 1 to 3 feet Thursday evening. $$ Cronce Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes