Great Lakes Forecast
Issued by NWS
Issued by NWS
384 FZUS63 KMKX 071507 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 907 AM CST Thu Nov 7 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... Breezy westerly winds will increase across the northern half of Lake Michigan today into Friday morning as the pressure gradient increases between a deepening low pressure area around 29.3 inches across southern Hudson Bay, and high pressure around 30.4 inches expanding eastward from the central Great Plains into the northern Ohio Valley. Expect slightly lighter, but still breezy west-northwest winds across the southern half for the same period. The winds will then gradually weaken on Friday as high pressure moves from the northern Great Plains to Lake Superior, and then to the lower Great Lakes by Saturday morning. Modest northerly winds Friday afternoon will turn northeast for Friday evening then south to southeast for Saturday. LMZ261-362-364-366-563-565-567-868-072230- 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- 907 AM CST Thu Nov 7 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...West winds 10 to 20 kt increasing to 30 kt. Waves 1 to 2 ft building to 4 to 6 ft occasionally to 8 ft. .TONIGHT...West winds to 30 kt. Waves 6 to 9 ft occasionally to 12 ft. .FRIDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt early in the afternoon, then becoming north 10 to 20 kt late. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .FRIDAY NIGHT...Northeast winds 10 to 20 kt becoming east 5 to 10 kt overnight. Waves 2 to 4 ft subsiding to 1 to 2 ft. .SATURDAY...South winds 10 to 20 kt. Waves 2 to 4 ft. .SATURDAY NIGHT...South winds 10 to 20 kt becoming southeast. Chance of rain. Waves 3 to 5 ft. .SUNDAY...Southeast winds 15 to 25 kt becoming southwest. Rain. Waves 4 to 7 ft occasionally to 9 ft. .MONDAY...West winds 15 to 25 kt. Chance of rain. Waves 3 to 5 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-072230- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 907 AM CST Thu Nov 7 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...Northwest winds 10 to 15 kt becoming west 10 to 20 kt. Waves 2 to 4 ft. .TONIGHT...West winds 15 to 25 kt. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. .FRIDAY...West winds 15 to 25 kt becoming northwest 10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .FRIDAY NIGHT...Northeast winds 10 to 20 kt becoming east 10 to 15 kt. Waves 3 to 5 ft. .SATURDAY...Southeast winds 10 to 20 kt. Waves 3 to 5 ft. .SATURDAY NIGHT...Southeast winds 10 to 20 kt becoming south. Rain. Waves 4 to 6 ft occasionally to 8 ft. .SUNDAY...South winds 15 to 25 kt becoming southwest. Rain. Waves 4 to 7 ft occasionally to 9 ft. .MONDAY...West winds 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft. $$ LMZ761-072230- MAFOR 0717/ MICHIGAN NORTH 12630 14640 11630 11730. Waves 1 to 3 feet building to 3 to 6 feet this afternoon. Waves 5 to 8 feet tonight. Waves 3 to 5 feet Friday morning. MICHIGAN SOUTH 11610 11620 14630 11630 11730. Waves 1 to 3 feet this afternoon. Waves 2 to 4 feet building to 3 to 6 feet tonight. Waves 3 to 6 feet Friday morning. $$ Gehring Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes