Great Lakes Forecast
Issued by NWS
Issued by NWS
642 FZUS63 KMKX 120812 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 312 AM CDT Wed Jun 12 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... South winds will continue today into this evening, with increasing southwest winds later tonight into Thursday. Winds will shift to the northwest and north behind a passing cold front later Thursday into Thursday night. There will be chances for showers and thunderstorms at times tonight into Thursday evening. North winds will generally remain Friday, as high pressure around 30.1 inches moves into the region. Winds should gradually increase and become south by later this weekend, as very warm and humid air moves into the region. Chances for showers and thunderstorms will also return. LMZ261-362-364-366-563-565-567-868-121515- 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- 312 AM CDT Wed Jun 12 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TODAY...South winds 10 to 20 kt. Waves 2 to 4 ft. .TONIGHT...South winds 15 to 25 kt becoming southwest. Chance of showers and slight chance of thunderstorms in the evening, then chance of showers and thunderstorms overnight. Waves 3 to 5 ft. .THURSDAY...Southwest winds 15 to 25 kt becoming west to 30 kt. Waves 3 to 5 ft. .THURSDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft. .FRIDAY...North winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 2 ft. .FRIDAY NIGHT...Northeast winds 10 to 15 kt becoming east 5 to 10 kt. Waves 1 to 2 ft. .SATURDAY...Southeast winds 10 to 15 kt. Waves 1 to 2 ft. .SUNDAY...South winds 15 to 25 kt. Chance of showers and thunderstorms. Waves 4 to 7 ft occasionally to 9 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-121515- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 312 AM CDT Wed Jun 12 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TODAY...South winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft. .TONIGHT...South winds 10 to 20 kt becoming southwest. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms overnight. Waves 2 to 4 ft. .THURSDAY...Southwest winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers in the afternoon. Waves 3 to 5 ft. .THURSDAY NIGHT...Northwest winds 10 to 20 kt becoming north 10 to 15 kt. Chance of showers and thunderstorms in the evening. Waves 2 to 4 ft subsiding to 1 to 3 ft. .FRIDAY...North winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. .FRIDAY NIGHT...North winds 10 to 15 kt becoming northeast 5 to 10 kt. Waves 1 to 3 ft. .SATURDAY...East winds 10 to 15 kt becoming southeast. Waves 1 to 2 ft. .SUNDAY...South winds 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. $$ LMZ761-121515- MAFOR 1210/ MICHIGAN NORTH 12420 11410 12420 11430 12530. A chance of showers this evening, then a chance of showers and thunderstorms overnight. Waves 1 to 3 feet today. Waves 2 to 4 feet building to 3 to 5 feet tonight. MICHIGAN SOUTH 13420 11410 13420 11520. A chance of showers and thunderstorms overnight. Waves 1 to 3 feet today. Waves 1 to 3 feet building to 2 to 4 feet tonight. $$ Wood Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes