Great Lakes Forecast
Issued by NWS
Issued by NWS
153 FZUS63 KMKX 191413 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 913 AM CDT Sun May 19 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 northerly winds will continue this morning, before becoming light and variable as high pressure of 30.0 inches moves through this afternoon and weakens the pressure gradient. Southwest winds Monday morning will become southeasterly ahead of an approaching low pressure system of 29.6 inches. Breezy southerly winds will remain Tuesday into Wednesday as another low pressure system advances toward the Great Lakes Region. Periods of thunderstorms are also expected over the lake Monday through Wednesday morning. LMZ261-362-364-366-563-565-567-868-192115- 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- 913 AM CDT Sun May 19 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...Northwest winds 10 to 20 kt becoming southwest. Waves 1 to 3 ft. .TONIGHT...South winds 10 to 15 kt becoming southeast. Waves 1 to 2 ft. .MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt. Chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 ft. .MONDAY NIGHT...Southwest winds 10 to 15 kt. Showers likely with a chance of thunderstorms in the evening, then showers likely overnight. Waves 1 to 3 ft. .TUESDAY...East winds 10 to 15 kt. Chance of showers. Waves 1 to 3 ft. .TUESDAY NIGHT...Southeast winds 15 to 25 kt becoming south to 30 kt. Showers with a chance of thunderstorms. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft. .WEDNESDAY...South winds to 30 kt becoming southwest. Chance of showers. Waves 5 to 8 ft occasionally to 10 ft. .THURSDAY...West winds 15 to 25 kt becoming southwest. Waves 2 to 4 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-192115- 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- 913 AM CDT Sun May 19 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...North winds 10 to 20 kt. Waves 1 to 3 ft. .TONIGHT...North winds 10 to 20 kt becoming northeast 5 to 10 kt late in the evening, then becoming east after midnight becoming southeast late. Waves 1 to 3 ft subsiding to 1 ft or less. .MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt. Chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. 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 in the evening, then chance of showers and thunderstorms overnight. Waves 2 to 4 ft. .TUESDAY...South winds 10 to 15 kt becoming southeast 10 to 20 kt. Chance of showers and thunderstorms in the morning, then chance of showers in the afternoon. Waves 2 to 4 ft. .TUESDAY NIGHT...South winds 15 to 25 kt increasing to 30 kt. Showers likely with a chance of thunderstorms. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft. .WEDNESDAY...Southwest winds to 30 kt diminishing to 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft. .THURSDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to 4 ft. $$ LMZ761-192115- MAFOR 1916/ MICHIGAN NORTH 12610 11410 12300 13310. A chance of showers and thunderstorms Monday morning. Waves 2 feet or less. MICHIGAN SOUTH 13820 11110 11200 13310. A chance of showers Monday morning. Waves 1 to 3 feet this afternoon. Waves 2 feet or less tonight and Monday morning. $$ CMiller Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes