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Great Lakes Forecast
Issued by NWS
Issued by NWS
433 FZUS63 KMKX 280144 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 844 PM CDT Thu Jun 27 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... High pressure around 30.0 inches will continue to drift east through tonight. Southwesterly winds will increase late tonight, shifting to become southerly Friday as low pressure of 29.4 inches develops from central Nebraska to northern Minnesota. Shower and thunderstorm chances increase Friday afternoon into the evening and may linger into the morning hours on Saturday as low pressure lifts into Ontario. Winds turn northerly and increase behind a backdoor front Saturday night into Sunday. Dry conditions are expected early next week before shower before the pattern turns more active with increasing shower and storm chances toward midweek. LMZ261-362-364-366-563-565-567-868-280915- 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- 844 PM CDT Thu Jun 27 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TONIGHT...South winds 5 to 10 kt becoming southeast. Waves 1 to 2 ft. .FRIDAY...South winds 10 to 20 kt increasing to 30 kt. Chance of showers in the afternoon. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. .FRIDAY NIGHT...South winds 15 to 25 kt. Chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms overnight. Waves 4 to 7 ft occasionally to 9 ft. .SATURDAY...Southwest winds 15 to 25 kt becoming west. Chance of thunderstorms in the morning. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .SATURDAY NIGHT...Northwest winds 15 to 25 kt becoming north. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. .SUNDAY...North winds 15 to 25 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 becoming northeast 5 to 10 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft. .MONDAY...East winds 10 to 15 kt veering to south. Waves 1 to 2 ft. .TUESDAY...South winds to 30 kt. Chance of showers. Waves 6 to 9 ft occasionally to 12 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-280915- 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- 844 PM CDT Thu Jun 27 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TONIGHT...Northeast winds 5 to 10 kt becoming east 10 to 15 kt after midnight, then becoming southeast 10 to 20 kt late. Waves 1 to 3 ft. .FRIDAY...Southeast winds 10 to 20 kt becoming south 15 to 25 kt. Slight chance of showers in the morning, then chance of showers in the afternoon. Waves 2 to 4 ft building to 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 and thunderstorms 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 becoming west. Chance of showers and thunderstorms in the morning, then chance of showers in the afternoon. Waves 3 to 5 ft. .SATURDAY NIGHT...Northwest winds 15 to 25 kt becoming north. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. .SUNDAY...North winds 15 to 25 kt. Waves 4 to 7 ft occasionally to 9 ft. .SUNDAY NIGHT...Northeast winds 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 2 to 4 ft. .TUESDAY...South winds to 30 kt. Chance of showers. Waves 5 to 8 ft occasionally to 10 ft. $$ LMZ761-280915- MAFOR 2804/ MICHIGAN NORTH 11300 11310 11420 12430 11440 11430 11436. A chance of thunderstorms Friday evening. Waves 2 feet or less overnight. Waves 1 to 3 feet building to 3 to 6 feet Friday. Waves 3 to 6 feet Friday evening. MICHIGAN SOUTH 11210 11310 11320 14430 11430. A chance of showers Friday afternoon and Friday evening. Waves 2 feet or less overnight. Waves 1 to 3 feet building to 3 to 6 feet Friday. Waves 3 to 5 feet Friday evening. $$ MH Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes