Great Lakes Forecast
Issued by NWS
Issued by NWS
538 FZUS63 KMKX 221410 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 910 AM CDT Sat Jun 22 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 will transition to southerly and gusty across the southern two-thirds of the open waters and to easterly and gusty across the northern one-third this morning into this afternoon as low pressure around 29.6 inches develops in southern Minnesota. This low will progress through northern Lake Michigan this evening into tonight, bringing widespread thunderstorms along a cold front. Winds across the Lake then shift northwesterly late tonight into Sunday morning as storms end. Winds will diminish but remain northwesterly through Sunday night, with high pressure around 30.0 inches building in Monday and producing light and variable winds. LMZ261-362-364-366-563-565-567-868-222115- 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- 910 AM CDT Sat Jun 22 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...East winds 10 to 20 kt becoming southeast. Showers with a chance of thunderstorms. Waves 1 to 3 ft. .TONIGHT...East winds 10 to 20 kt backing to northwest 15 to 25 kt. Showers likely with a chance of thunderstorms in the evening, then chance of showers and slight chance of thunderstorms overnight. Waves 3 to 5 ft. .SUNDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft. .SUNDAY NIGHT...Northwest winds 10 to 15 kt becoming north 5 to 10 kt. Waves 1 to 2 ft. .MONDAY...North winds 5 to 10 kt backing to southwest 10 to 15 kt. Waves 1 ft or less. .MONDAY NIGHT...South winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 2 ft building to 1 to 3 ft. .TUESDAY...South winds 15 to 25 kt. Chance of showers and thunderstorms. Waves 3 to 5 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-222115- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 910 AM CDT Sat Jun 22 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...South winds 10 to 20 kt increasing to 15 to 25 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft building to 2 to 4 ft. .TONIGHT...South winds 15 to 25 kt veering to west. Showers with thunderstorms likely in the evening, then chance of showers and thunderstorms overnight. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. .SUNDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft. .SUNDAY NIGHT...West winds 10 to 15 kt becoming northwest 5 to 10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft. .MONDAY...North winds 10 to 15 kt becoming northeast. Waves 1 to 2 ft. .MONDAY NIGHT...Southeast winds 5 to 10 kt becoming south 10 to 20 kt. Waves 1 to 2 ft building to 1 to 3 ft. .TUESDAY...South winds 15 to 25 kt. Chance of showers and thunderstorms. Waves 3 to 5 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves 1 to 3 ft. $$ LMZ761-222115- MAFOR 2216/ MICHIGAN NORTH 12326 11229 11326 11620 12730 11720. Waves 1 to 3 feet this afternoon. Waves 1 to 3 feet building to 2 to 4 feet tonight. Waves 2 to 4 feet Sunday morning. MICHIGAN SOUTH 11420 11430 11436 11549 11540 11630 11730 11720. Waves 1 to 3 feet this afternoon. Waves 2 to 4 feet building to 3 to 5 feet tonight. Waves 3 to 5 feet subsiding to 2 to 4 feet Sunday morning. $$ Wagner Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes