Great Lakes Forecast
Issued by NWS
Issued by NWS
340 FZUS63 KMKX 200203 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 903 PM CDT Wed Jun 19 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... North to northeast winds will continue across the lake tonight into Thursday. Areas of marine fog may form tonight and linger into Thursday morning, with some dense fog possible. North to northeast winds should then linger into Friday, as high pressure around 30.4 inches moves from Lake Superior into Ontario. Gusty south to southwest winds are then anticipated to return for Saturday into Saturday night, as low pressure around 29.5 inches shifts into the region. LMZ261-362-364-366-563-565-567-868-200930- 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- 903 PM CDT Wed Jun 19 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TONIGHT...North winds 10 to 15 kt becoming northeast 10 to 20 kt. Patchy fog through early evening. Chance of showers and slight chance of thunderstorms. Waves 1 to 3 ft. .THURSDAY...Northeast winds 10 to 20 kt. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft. .THURSDAY NIGHT...North winds 10 to 20 kt becoming northeast 10 to 15 kt. Chance of showers. Waves 1 to 3 ft. .FRIDAY...Northeast winds 5 to 10 kt increasing to 10 to 15 kt. Chance of showers. Waves 1 to 3 ft. .FRIDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Chance of showers in the evening, then chance of showers and thunderstorms overnight. Waves 1 ft or less. .SATURDAY...Southeast winds 10 to 20 kt becoming south. Showers with a chance of thunderstorms. Waves 1 to 3 ft building to 2 to 4 ft. .SATURDAY NIGHT...Southwest winds 10 to 20 kt becoming west. Showers likely with a chance of thunderstorms. Waves 2 to 4 ft. .SUNDAY...West winds 10 to 20 kt becoming northwest 15 to 25 kt. Waves 2 to 4 ft. .MONDAY...Northwest winds 10 to 15 kt backing to southwest 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-200930- 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- 903 PM CDT Wed Jun 19 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TONIGHT...North winds 5 to 10 kt increasing to 10 to 20 kt. Slight chance of showers and thunderstorms. Patchy fog overnight. Waves 1 to 3 ft. .THURSDAY...North winds 10 to 20 kt. Patchy fog in the morning. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .THURSDAY NIGHT...North winds 10 to 20 kt diminishing to 5 to 10 kt. Waves 1 to 3 ft. .FRIDAY...North winds 5 to 10 kt becoming northeast 10 to 15 kt. Waves 1 to 2 ft. .FRIDAY NIGHT...East winds 5 to 10 kt veering to south. Chance of showers overnight. Waves 1 to 2 ft. .SATURDAY...South winds 10 to 20 kt. Chance of showers. Waves 2 to 4 ft. .SATURDAY NIGHT...Southwest winds 10 to 20 kt. Showers with a chance of thunderstorms. Waves 2 to 4 ft. .SUNDAY...West winds 10 to 20 kt becoming northwest. Waves 2 to 4 ft. .MONDAY...Northwest winds 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ761-200930- MAFOR 2004/ MICHIGAN NORTH 15120 11820 11110. A chance of showers overnight, Thursday morning, and Thursday evening. Waves 1 to 3 feet. MICHIGAN SOUTH 11810 15820 11810. A chance of showers Thursday morning. Waves 1 to 3 feet. $$ Sheppard Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes