Great Lakes Forecast
Issued by NWS
Issued by NWS
660 FZUS63 KMKX 041943 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 243 PM CDT Tue Jun 4 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... A low pressure trough of 29.2 inches will continue to slide east across south central Canada tonight with southerly winds continuing ahead of the associated cold front. Showers and thunderstorms are possible late this afternoon through tonight. The cold front will cross Lake Michigan Wednesday morning, causing winds to veer westerly. Widespread showers and storms will end by around noon Wednesday. Scattered showers are possible each afternoon through the weekend. Westerly winds continue through the end of the week as low pressure of 29.4 inches over south central Canada weakens. LMZ261-362-364-366-563-565-567-868-050330- 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- 243 PM CDT Tue Jun 4 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...South winds 10 to 20 kt becoming southeast. Slight chance of showers and thunderstorms overnight. Waves 2 to 4 ft. .WEDNESDAY...South winds 10 to 20 kt becoming southwest. Patchy fog. Showers likely with a chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft. .WEDNESDAY NIGHT...Southwest winds 10 to 20 kt becoming west 15 to 25 kt. Waves 2 to 4 ft. .THURSDAY...West winds 15 to 25 kt. Chance of showers. Waves 2 to 4 ft. .THURSDAY NIGHT...West winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. .FRIDAY...Northwest winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. .FRIDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 1 to 3 ft. .SATURDAY...Northwest winds 10 to 20 kt becoming west. Chance of showers. Waves 1 to 3 ft. .SUNDAY...Northwest winds 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-050330- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 243 PM CDT Tue Jun 4 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...Southeast winds 10 to 20 kt becoming south. Slight chance of showers and thunderstorms this evening, then chance of showers and thunderstorms overnight. Waves 2 to 4 ft. .WEDNESDAY...South winds 10 to 20 kt becoming west. Patchy fog in the morning. Chance of showers and thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft. .WEDNESDAY NIGHT...Southwest winds 10 to 20 kt becoming west 15 to 25 kt. Chance of showers overnight. Waves 3 to 5 ft. .THURSDAY...West winds 15 to 25 kt. Waves 3 to 5 ft. .THURSDAY NIGHT...West winds 15 to 25 kt diminishing to 10 to 20 kt. Waves 3 to 5 ft. .FRIDAY...Northwest winds 10 to 20 kt. Waves 3 to 5 ft. .FRIDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft. .SATURDAY...Northwest winds 10 to 20 kt becoming west. Waves 1 to 3 ft. .SUNDAY...Northwest winds 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ761-050330- MAFOR 0422/ MICHIGAN NORTH 11420 13320 11420 11426 11526 11520. A chance of thunderstorms Wednesday. Waves 1 to 3 feet. MICHIGAN SOUTH 12320 13420 12520 11620. A chance of showers and thunderstorms overnight and Wednesday morning. Waves 1 to 3 feet. $$ Kuroski Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes