Great Lakes Forecast
Issued by NWS
Issued by NWS
439 FZUS63 KMKX 190157 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 857 PM CDT Tue Jun 18 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... Low pressure around 29.6 inches will move from northeast Minnesota to near James Bay tonight. Gusty south winds are expected to linger tonight into early Wednesday. Winds will gradually ease Wednesday and shift to the north by Wednesday evening, as a cold front sags into the region. North to northeast winds should then linger into Thursday night, as high pressure around 30.4 inches moves into Lake Superior. LMZ261-362-364-366-563-565-567-868-190915- 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- 857 PM CDT Tue Jun 18 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TONIGHT...South winds 15 to 25 kt increasing to 30 kt. Waves 5 to 8 ft occasionally to 10 ft. .WEDNESDAY...Southwest winds to 30 kt diminishing to 10 to 20 kt. Slight chance of showers and thunderstorms in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft. .WEDNESDAY NIGHT...North winds 10 to 20 kt diminishing to 5 to 10 kt late in the evening, then becoming northeast after midnight increasing to 10 to 15 kt late. Chance of showers and thunderstorms. Waves 2 to 4 ft subsiding to 1 to 2 ft. .THURSDAY...Northeast winds 10 to 15 kt increasing to 10 to 20 kt. Chance of showers. Waves 1 to 3 ft. .THURSDAY NIGHT...Northeast winds 10 to 15 kt diminishing to 5 to 10 kt. Chance of showers overnight. Waves 1 to 2 ft. .FRIDAY...Northeast winds 5 to 10 kt increasing to 10 to 15 kt. Chance of showers. Waves 1 ft or less. .FRIDAY NIGHT...East winds 10 to 15 kt becoming southeast. Chance of showers and thunderstorms. Waves 1 to 2 ft. .SATURDAY...South winds 10 to 20 kt increasing to 15 to 25 kt. Showers likely with a chance of thunderstorms. Waves 1 to 3 ft building to 2 to 4 ft. .SUNDAY...Southwest winds 15 to 25 kt becoming west. Chance of showers. Waves 3 to 5 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-190915- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 857 PM CDT Tue Jun 18 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TONIGHT...South winds to 30 kt diminishing to 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. .WEDNESDAY...South winds 15 to 25 kt diminishing to 10 to 15 kt. Chance of showers and slight chance of thunderstorms in the afternoon. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .WEDNESDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to 10 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft subsiding to 1 to 2 ft. .THURSDAY...North winds 10 to 15 kt. Waves 1 to 3 ft. .THURSDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to 10 kt. Waves 1 to 3 ft. .FRIDAY...North winds 5 to 10 kt veering to east 10 to 15 kt. Waves 1 to 2 ft. .FRIDAY NIGHT...East winds 5 to 10 kt becoming south. Waves 1 to 2 ft. .SATURDAY...South winds 10 to 20 kt. Waves 1 to 3 ft building to 2 to 4 ft. .SUNDAY...West winds 15 to 25 kt. Waves 3 to 5 ft. $$ LMZ761-190915- MAFOR 1904/ MICHIGAN NORTH 13440 11540 12530 11720 11810. A chance of showers Wednesday afternoon. A chance of showers and thunderstorms Wednesday evening. Waves 4 to 7 feet overnight. Waves 4 to 7 feet subsiding to 2 to 4 feet Wednesday. Waves 1 to 3 feet Wednesday evening. MICHIGAN SOUTH 11440 12430 12420 11410 12810. A chance of showers Wednesday afternoon. A chance of showers and thunderstorms Wednesday evening. Waves 3 to 5 feet overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet Wednesday. Waves 2 feet or less Wednesday evening. $$ Gehring Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes