Great Lakes Forecast
Issued by NWS
Issued by NWS
552 FZUS63 KMKX 110839 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 239 AM CST Tue Nov 11 2025 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... A high pressure ridge of 30.0 inches will move east across Lake Michigan early this morning, quickly followed by the passage of a low pressure trough around 29.7 inches late this afternoon and early evening. Brisk westerly winds this morning will back to southwesterly gales over the south half of the lake this afternoon and early evening. A Gale Warning is in effect. The winds will remain just under gale force in the north. Brisk west to northwest winds will then prevail late tonight through Wednesday. The winds may briefly approach gales. Much lighter winds are then expected Wednesday night into Thursday and Thursday night as high pressure approaches from the west. LMZ261-362-364-366-563-565-111615- 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- 239 AM CST Tue Nov 11 2025 TWO RIVERS WI TO MANISTEE MI NORTH... .TODAY...Southwest winds 10 to 20 kt increasing to 30 kt. Slight chance of rain and snow this morning, then chance of rain this afternoon. Waves 2 to 4 ft building to 8 to 11 ft occasionally to 14 ft. .TONIGHT...West winds 15 to 25 kt increasing to 30 kt. Chance of rain. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 7 ft occasionally to 9 ft. .WEDNESDAY...Northwest winds to 30 kt. Chance of rain. Waves 5 to 8 ft occasionally to 10 ft. .WEDNESDAY NIGHT...Northwest winds to 30 kt. Chance of rain in the evening. Waves 4 to 7 ft occasionally to 9 ft. .THURSDAY...West winds 15 to 25 kt. Waves 3 to 5 ft. .THURSDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft. .FRIDAY...Northeast winds 10 to 15 kt becoming east. Waves 1 to 3 ft. .SATURDAY...South winds 15 to 25 kt increasing to 30 kt. Chance of rain. Waves 6 to 9 ft occasionally to 12 ft. $$ LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-111615- 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- 239 AM CST Tue Nov 11 2025 TWO RIVERS WI TO MANISTEE MI SOUTH... ...GALE WARNING IN EFFECT FROM NOON CST TODAY THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 25 kt increasing to gales to 35 kt. Slight chance of rain and snow this morning. Waves 4 to 7 ft occasionally to 9 ft building to 10 to 14 ft occasionally to 18 ft. .TONIGHT...West gales to 35 kt diminishing to 30 kt. Slight chance of rain. Waves 8 to 12 ft occasionally to 16 ft subsiding to 8 to 11 ft occasionally to 14 ft. .WEDNESDAY...West northwest winds to 30 kt. Waves 8 to 12 ft occasionally to 16 ft. .WEDNESDAY NIGHT...Northwest winds to 30 kt diminishing to 15 to 25 kt. Waves 8 to 11 ft occasionally to 14 ft subsiding to 7 to 10 ft occasionally to 13 ft. .THURSDAY...West winds 10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .THURSDAY NIGHT...West winds 10 to 15 kt becoming northwest. Waves 2 to 4 ft. .FRIDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt. Waves 2 to 4 ft. .SATURDAY...South winds to 30 kt. Chance of rain. Waves 6 to 9 ft occasionally to 12 ft. $$ LMZ761-111615- MAFOR 1111/ MICHIGAN NORTH...GALE WARNING IN EFFECT...11620 11530 12550 14640. A chance of rain this afternoon and tonight. Waves 2 to 4 feet building to 8 to 12 feet today. Waves 7 to 10 feet subsiding to 5 to 8 feet tonight. MICHIGAN SOUTH...GALE WARNING IN EFFECT...11530 11540 13550 13640. Waves 3 to 6 feet building to 9 to 13 feet today. Waves 9 to 12 feet subsiding to 6 to 10 feet tonight. $$ Gehring Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes