Great Lakes Forecast
Issued by NWS
Issued by NWS
667 FZUS63 KMKX 160143 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 843 PM CDT Sun Sep 15 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... High pressure around 30.3 inches over the eastern Great Lakes and low pressure around 29.8 inches over the Plains will remain fairly stationary over the next several days. The high will weaken to around 30.0 inches and the low will strengthen to around 29.6 inches by Thursday. Winds over Lake Michigan will remain out of the south to southeast through this time, and generally be less than 15 kt. It is uncertain about when a front will move across Lake Michigan, but low pressure is expected to approach Wisconsin next weekend. LMZ261-362-364-366-563-565-567-868-160915- 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- 843 PM CDT Sun Sep 15 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TONIGHT...Southeast winds 5 to 10 kt becoming south. Patchy fog. Waves 1 to 2 ft. .MONDAY...South winds 5 to 10 kt becoming southwest 10 to 15 kt. Waves 1 to 2 ft. .MONDAY NIGHT...South winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 2 ft. .TUESDAY...South winds 5 to 10 kt becoming southwest. Waves 1 to 2 ft. .TUESDAY NIGHT...East winds 5 to 10 kt becoming southeast. Waves 1 to 2 ft. .WEDNESDAY...Southeast winds 5 to 10 kt becoming northeast 10 to 15 kt. Waves 1 ft or less. .WEDNESDAY NIGHT...East winds 5 to 10 kt becoming southeast. Waves 1 ft or less. .THURSDAY...East winds 5 to 10 kt becoming northeast. Waves nearly calm. .FRIDAY...Southeast winds 10 to 15 kt. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-160915- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 843 PM CDT Sun Sep 15 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TONIGHT...East winds 5 to 10 kt becoming southeast 10 to 15 kt. Waves 1 to 2 ft. .MONDAY...Southeast winds 5 to 10 kt becoming east 10 to 15 kt. Waves 1 to 2 ft. .MONDAY NIGHT...Northeast winds 5 to 10 kt veering to southeast 10 to 15 kt. Waves 1 to 3 ft. .TUESDAY...Southeast winds 10 to 15 kt becoming northeast 5 to 10 kt. Waves 1 to 3 ft. .TUESDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Waves 1 to 2 ft. .WEDNESDAY...East winds 5 to 10 kt becoming northeast. Waves 1 to 2 ft. .WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Waves 1 ft or less. .THURSDAY...East winds 5 to 10 kt becoming north. Waves 1 ft or less. .FRIDAY...Southeast winds 10 to 15 kt becoming east. Waves 1 to 2 ft. $$ LMZ761-160915- MAFOR 1604/ MICHIGAN NORTH 11300 11410 11400 12410 11510 12400. Waves 2 feet or less. MICHIGAN SOUTH 13310 12300 11310 11100 11200. Waves 2 feet or less. $$ Wagner Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes