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Great Lakes Forecast
Issued by NWS
Issued by NWS
512 FZUS63 KMKX 022012 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 312 PM CDT Tue Jul 2 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 broad area of 29.4 inch low pressure will move from central Canada into the Hudson Bay through Wednesday afternoon, dragging a cold front across Lake Michigan in the process. Showers and thunderstorms are expected this evening along the front, with heavy downpours possible. Severe weather is not expected. Primarily southerly winds will continue through this afternoon prior to the front`s arrival. Gusts will range between 15-25 knots, with the highest readings over the northern two thirds of the lake. Winds will gradually shift out of the west-southwest behind the front on Wednesday, with gusts tapering below 15 knots. Winds will lighten further Wednesday night as 29.9 inch high pressure moves in from the Great Plains. LMZ261-362-364-366-563-565-567-868-030315- 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 PM CDT Tue Jul 2 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...Southeast winds 15 to 25 kt becoming south. Showers with a chance of thunderstorms this evening, then chance of showers and thunderstorms overnight. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .WEDNESDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Slight chance of showers in the morning. Waves 3 to 5 ft subsiding to 2 to 4 ft. .WEDNESDAY NIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt after midnight, then diminishing to 5 to 10 kt late. Waves 1 to 3 ft subsiding to 1 to 2 ft. .THURSDAY...West winds 5 to 10 kt becoming southwest 10 to 15 kt. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds 5 to 10 kt. Waves 1 ft or less. .FRIDAY...East winds 10 to 15 kt increasing to 10 to 20 kt. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 ft. .FRIDAY NIGHT...Northeast winds 10 to 20 kt becoming north. Chance of showers and thunderstorms. Waves 1 to 3 ft. .SATURDAY...Northwest winds 10 to 20 kt becoming west. Waves 1 to 3 ft. .SUNDAY...Southwest winds 10 to 20 kt becoming south. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-030315- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 312 PM CDT Tue Jul 2 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...Southeast winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms. Waves 4 to 6 ft occasionally to 8 ft. .WEDNESDAY...Southwest winds 15 to 25 kt diminishing to 10 to 15 kt. Slight chance of showers and thunderstorms in the morning. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .WEDNESDAY NIGHT...Southwest winds 10 to 15 kt becoming west 5 to 10 kt. Waves 1 to 3 ft. .THURSDAY...Northwest winds 5 to 10 kt backing to south. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds 5 to 10 kt becoming southeast. Chance of showers overnight. Waves 1 ft or less. .FRIDAY...Southeast winds 10 to 20 kt becoming south. Chance of showers and thunderstorms. Waves 1 to 3 ft. .FRIDAY NIGHT...Southwest winds 10 to 20 kt becoming west. Waves 1 to 3 ft. .SATURDAY...West winds 10 to 20 kt. Waves 2 to 4 ft. .SUNDAY...Southwest winds 10 to 20 kt becoming south. Waves 1 to 3 ft. $$ LMZ761-030315- MAFOR 0222/ MICHIGAN NORTH 11430 11426 12436 11530 12520 11530. A chance of thunderstorms tonight. Waves 3 to 6 feet subsiding to 2 to 4 feet, then building to 3 to 5 feet tonight. Waves 3 to 5 feet subsiding to 1 to 3 feet Wednesday. MICHIGAN SOUTH 11330 13430 11530 11620 12510. A chance of showers and thunderstorms tonight. Waves 3 to 6 feet subsiding to 2 to 4 feet, then building to 3 to 5 feet tonight. Waves 3 to 5 feet subsiding to 1 to 3 feet Wednesday. $$ Quigley Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes