Great Lakes Forecast
Issued by NWS
Issued by NWS
387 FZUS63 KMKX 180812 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 312 AM CDT Sat May 18 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... Light winds and variable winds will persist through the early morning hours before becoming southerly ahead of an approaching cold front. Southerly winds will be breezy this afternoon. Winds become northerly Sunday behind the cold front. High pressure of 30.0 inches will briefly move back into the area behind the front. Breezy southerly winds return Monday and Tuesday ahead of the next approaching low pressure system. Fog is dissipating across the southern half of the lake early this morning. The few remaining pockets of dense fog will burn off as sunrise approaches. LMZ261-362-364-366-563-565-181545- 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- 312 AM CDT Sat May 18 2024 TWO RIVERS WI TO MANISTEE MI NORTH... .TODAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt. Areas of dense fog this morning. Waves 1 to 3 ft. .TONIGHT...South winds 10 to 20 kt veering to west 10 to 15 kt. Slight chance of showers and thunderstorms in the evening, then chance of showers and slight chance of thunderstorms overnight. Waves 1 to 3 ft. .SUNDAY...Northwest winds 10 to 15 kt becoming west. Waves 1 to 3 ft. .SUNDAY NIGHT...East winds 5 to 10 kt becoming southeast 10 to 15 kt. Waves 1 ft or less. .MONDAY...Southeast winds 10 to 20 kt becoming south. Chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft. .MONDAY NIGHT...South winds 10 to 15 kt. Showers likely with a chance of thunderstorms. Waves 2 to 4 ft. .TUESDAY...Southeast winds 10 to 15 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft. .WEDNESDAY...Southwest winds 15 to 25 kt. Chance of showers. Waves 4 to 6 ft occasionally to 8 ft. $$ LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-181545- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 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 Pentwater to Manistee MI 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 Sat May 18 2024 TWO RIVERS WI TO MANISTEE MI SOUTH... ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .TODAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt. Areas of dense fog this morning. Waves 1 to 3 ft. .TONIGHT...South winds 10 to 20 kt veering to southwest 10 to 15 kt. Slight chance of showers overnight. Waves 1 to 3 ft. .SUNDAY...Northwest winds 10 to 15 kt becoming north. Waves 1 to 2 ft. .SUNDAY NIGHT...Northeast winds 5 to 10 kt veering to southeast. Waves 1 to 2 ft. .MONDAY...South winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. .MONDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to 15 kt. Showers likely with a chance of thunderstorms. Waves 2 to 4 ft. .TUESDAY...South winds 10 to 15 kt increasing to 10 to 20 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft. .WEDNESDAY...Southwest winds 15 to 25 kt. Chance of showers. Waves 4 to 7 ft occasionally to 9 ft. $$ LMZ761-181545- MAFOR 1810/ MICHIGAN NORTH 13414 11320 11420 11430 11420 11510. A chance of showers overnight. Waves 2 feet or less today. Waves 1 to 3 feet tonight. MICHIGAN SOUTH 11304 11414 11410 19414 11420 11320 12420 11510. Waves 2 feet or less. $$ Patterson Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes