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Great Lakes Forecast
Issued by NWS
Issued by NWS
116 FZUS63 KMKX 032003 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 303 PM CDT Wed Jul 3 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 south winds across Lake Michigan this afternoon will diminish and become westerly overnight as weak high pressure of 29.9 inches moves east across the lower Great Lakes region. Light westerly winds will be in place to start the day on Thursday, but are expected to turn easterly and accelerate by Thursday afternoon as low pressure deepens to 29.5 inches over Wisconsin Thursday night into Friday. As the low pressure system moves across Wisconsin on Friday, winds across the southern half of the lake will generally be from a south to southwesterly direction whereas winds across the northern half of the lake will be from an east to northeasterly direction. Gusts across the lake will be around 20 KT on Friday. Showers and thunderstorms are also possible across the lake on Friday associated with the low. As the low moves across central Lake Michigan Friday night, winds will become more variable, but will become northwesterly for the start of the weekend as the low lifts northeastward into eastern Canada. LMZ261-362-364-366-563-565-567-868-040345- 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- 303 PM CDT Wed Jul 3 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...Southwest winds 15 to 25 kt diminishing to 10 to 20 kt late this evening, then becoming west 10 to 15 kt overnight. Waves 3 to 5 ft subsiding to 1 to 3 ft. .THURSDAY...West winds 5 to 10 kt backing to southeast 10 to 15 kt. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds 10 to 15 kt. Chance of showers overnight. Waves 1 to 2 ft. .FRIDAY...East winds 10 to 20 kt. Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 2 to 4 ft. .FRIDAY NIGHT...North winds 10 to 20 kt. Chance of showers and thunderstorms in the evening. Waves 2 to 4 ft. .SATURDAY...Northwest winds 10 to 20 kt. Waves 2 to 4 ft. .SATURDAY NIGHT...Southwest winds 10 to 15 kt diminishing to 5 to 10 kt. Waves 1 to 2 ft. .SUNDAY...South winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. .MONDAY...Southwest winds 10 to 20 kt. Chance of showers. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-040345- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 303 PM CDT Wed Jul 3 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...South winds 10 to 20 kt becoming southwest 10 to 15 kt late this evening, then becoming west after midnight diminishing to 5 to 10 kt late. Waves 1 to 3 ft. .THURSDAY...Northwest winds 5 to 10 kt veering to southeast. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds 10 to 15 kt becoming southeast. Chance of showers overnight. Waves 1 to 2 ft. .FRIDAY...South winds 10 to 20 kt becoming southwest. Chance of showers and thunderstorms in the morning, then chance of showers in the afternoon. Waves 2 to 4 ft. .FRIDAY NIGHT...West winds 10 to 20 kt becoming northwest. Waves 3 to 5 ft. .SATURDAY...Northwest winds 10 to 20 kt. Waves 3 to 5 ft. .SATURDAY NIGHT...Southwest winds 10 to 15 kt diminishing to 5 to 10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft. .SUNDAY...South winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. .MONDAY...South winds 10 to 20 kt. Chance of showers. Waves 1 to 3 ft. $$ LMZ761-040345- MAFOR 0322/ MICHIGAN NORTH 11530 11520 11510 11610 12600 11500 11410. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. Waves 2 feet or less Thursday. MICHIGAN SOUTH 11410 12510 11600 11700 11500 11400 11310. Waves 2 feet or less. $$ Falkinham Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes