Great Lakes Forecast
Issued by NWS
Issued by NWS
191 FZUS63 KMKX 070750 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 250 AM CDT Tue May 7 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... Breezy east to southeast winds will prevail over the open waters today as a 29.1 inch low pressure lingers over the northern Great Plains. Periods of showers and embedded thunderstorms will be possible from late this morning through this evening. A few of these storms could be strong with gusty winds and hail, particularly later this afternoon and early this evening. Winds will turn out of the northeast over the lake on Wednesday afternoon and evening as a second area of 29.5 inch low pressure passes south and southeast of the open waters. Additional periods of showers and thunderstorms are possible from Wednesday evening through Thursday, with conditions drying out Thursday night. Northerly winds will persist through Friday morning, prior to turning out of the southwest on Friday afternoon as a 29.7 inch low pressure moves across Ontario. Gales are not anticipated through the duration of the period. LMZ261-362-364-366-563-565-567-868-071515- 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- 250 AM CDT Tue May 7 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TODAY...East winds 15 to 25 kt. Rain showers with a chance of thunderstorms this afternoon. Waves 3 to 5 ft. .TONIGHT...East winds 15 to 25 kt becoming southeast late in the evening, then becoming east 10 to 20 kt after midnight veering to southwest 10 to 15 kt late. Rain showers likely with a chance of thunderstorms in the evening, then chance of rain showers and thunderstorms overnight. Waves 2 to 4 ft. .WEDNESDAY...West winds 10 to 15 kt becoming north. Chance of rain showers in the morning. Waves 2 to 4 ft subsiding to 1 to 3 ft. .WEDNESDAY NIGHT...North winds 10 to 20 kt becoming northeast. Chance of rain showers overnight. Waves 1 to 3 ft building to 3 to 5 ft. .THURSDAY...Northeast winds 15 to 25 kt becoming north to 30 kt. Chance of rain showers. Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft. .THURSDAY NIGHT...North winds to 30 kt diminishing to 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .FRIDAY...North winds 10 to 20 kt becoming west. Waves 2 to 4 ft. .SATURDAY...West winds 10 to 20 kt becoming northwest. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-071515- 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- 250 AM CDT Tue May 7 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TODAY...Southeast winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of rain showers and slight chance of thunderstorms this morning, then chance of rain showers and thunderstorms this afternoon. Waves 4 to 6 ft occasionally to 8 ft. .TONIGHT...South winds 10 to 15 kt becoming southwest. Slight chance of rain showers and thunderstorms in the evening. Waves 2 to 4 ft subsiding to 1 to 3 ft. .WEDNESDAY...Southwest winds 10 to 15 kt backing to northeast. Waves 1 to 3 ft. .WEDNESDAY NIGHT...Northeast winds 10 to 20 kt. Chance of rain showers in the evening, then rain showers likely overnight. Waves 2 to 4 ft building to 3 to 5 ft. .THURSDAY...Northeast winds to 30 kt becoming north. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft. .THURSDAY NIGHT...North winds to 30 kt diminishing to 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. .FRIDAY...Northwest winds 10 to 20 kt. Waves 3 to 5 ft. .SATURDAY...West winds 10 to 20 kt becoming northwest. Chance of showers. Waves 1 to 3 ft. $$ LMZ761-071515- MAFOR 0710/ MICHIGAN NORTH 11320 11230 13236 11336 11320 11510. A chance of thunderstorms this afternoon and tonight. Waves 1 to 3 feet building to 2 to 4 feet today. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. MICHIGAN SOUTH 12330 11336 11330 11410 13510. A chance of thunderstorms this afternoon. Waves 1 to 3 feet building to 3 to 5 feet today. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. $$ Quigley Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes