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Great Lakes Forecast
Issued by NWS
Issued by NWS
410 FZUS63 KMKX 290814 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 314 AM CDT Sat Jun 29 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 to southeast winds will continue early this morning as low pressure of 29.5 inches moves eastward across the northern Great Lakes Region. A pair of cold fronts will slide southeast today causing winds to shift to southwesterly by midday, and then northwest by the evening. Gusty northwest winds are then expected tonight through Sunday. Northwest wins will weaken Sunday night into Monday and become northeast to easterly as high pressure of 30.3 inches builds in from the Northern Plains. LMZ261-362-364-366-563-565-567-868-291515- 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- 314 AM CDT Sat Jun 29 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TODAY...Southwest winds 10 to 20 kt. Chance of showers and thunderstorms this morning, then chance of showers and slight chance of thunderstorms this afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft. .TONIGHT...Northwest winds 15 to 25 kt becoming north to 30 kt. Slight chance of showers and thunderstorms in the evening. Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft. .SUNDAY...North winds 15 to 25 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .SUNDAY NIGHT...North winds 10 to 20 kt diminishing to 5 to 10 kt overnight. Waves 2 to 4 ft subsiding to 1 to 2 ft. .MONDAY...East winds 5 to 10 kt veering to southwest. Waves 1 to 2 ft. .MONDAY NIGHT...South winds 10 to 20 kt increasing to 15 to 25 kt. Waves 1 to 2 ft building to 3 to 5 ft. .TUESDAY...South winds to 30 kt. Showers likely. Waves 4 to 7 ft occasionally to 9 ft. .WEDNESDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-291515- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 314 AM CDT Sat Jun 29 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TODAY...Southwest winds 15 to 25 kt diminishing to 10 to 20 kt. Slight chance of showers and thunderstorms this morning. Waves 2 to 4 ft. .TONIGHT...West winds 15 to 25 kt becoming north to 30 kt. Waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft. .SUNDAY...North winds 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft. .SUNDAY NIGHT...North winds 15 to 25 kt becoming northeast 10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .MONDAY...East winds 10 to 15 kt becoming southeast. Waves 1 to 3 ft. .MONDAY NIGHT...Southeast winds 10 to 20 kt increasing to 15 to 25 kt. Waves 1 to 2 ft building to 3 to 5 ft. .TUESDAY...South winds to 30 kt. Chance of showers. Waves 4 to 7 ft occasionally to 9 ft. .WEDNESDAY...Southwest winds 10 to 20 kt becoming west. Waves 3 to 5 ft subsiding to 2 to 4 ft. $$ LMZ761-291515- MAFOR 2910/ MICHIGAN NORTH 11530 13520 11630 13740. A chance of showers and thunderstorms this morning, then a chance of showers this afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet today. Waves 2 to 4 feet building to 3 to 6 feet tonight. MICHIGAN SOUTH 11520 11530 12520 11620 12740 11840. A chance of showers and thunderstorms early this morning. Waves 1 to 3 feet today. Waves 1 to 3 feet building to 4 to 7 feet tonight. $$ Patterson Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes