Great Lakes Forecast
Issued by NWS
Issued by NWS
693 FZUS63 KMKX 161900 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 200 PM CDT Thu May 16 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 of 29.6 inches will lift north of Lake Superior and dissipate through Friday. It will drag and occluded front over the lake this evening, bringing scattered shower and thunderstorm activity. Modestly breezy Southerly winds this afternoon will ease and become southwesterly overnight and then light and variable by dawn on Friday. Areas of marine dense fog may develop overnight, then linger into the post dawn hours on Friday before dissipating. Light and variable winds will then persist through Friday as a broad area of high pressure settles over the lake. Light southerly winds will then return Saturday. LMZ261-362-364-366-563-565-567-868-170315- 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- 200 PM CDT Thu May 16 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...Southeast winds 10 to 20 kt becoming south 10 to 15 kt, then becoming southwest 5 to 10 kt late. Chance of showers and thunderstorms this evening. Patchy dense fog overnight. Waves 1 to 3 ft. .FRIDAY...West winds 5 to 10 kt becoming south 10 to 15 kt. Areas of dense fog in the morning. Waves 1 to 2 ft. .FRIDAY NIGHT...South winds 10 to 15 kt becoming southeast 5 to 10 kt. Waves 1 ft or less. .SATURDAY...South winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 2 ft. .SATURDAY NIGHT...South winds 10 to 15 kt becoming southwest 5 to 10 kt. Waves 1 to 2 ft. .SUNDAY...Northwest winds 5 to 10 kt becoming north 10 to 15 kt. Waves 1 to 2 ft. .SUNDAY NIGHT...East winds 5 to 10 kt becoming southeast 10 to 15 kt. Waves 1 ft or less. .MONDAY...South winds 10 to 20 kt. Waves 2 to 4 ft. .TUESDAY...South winds 10 to 20 kt. Showers likely with a chance of thunderstorms. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-170315- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 200 PM CDT Thu May 16 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...South winds 10 to 20 kt becoming west 10 to 15 kt. Chance of showers and thunderstorms this evening, then slight chance of showers and thunderstorms overnight. Areas of fog overnight. Waves 1 to 3 ft. .FRIDAY...Northwest winds 5 to 10 kt veering to northeast 10 to 15 kt. Areas of dense fog in the morning. Waves 1 ft or less. .FRIDAY NIGHT...Northeast winds 5 to 10 kt. Waves 1 ft or less. .SATURDAY...Southeast winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 2 ft. .SATURDAY NIGHT...Southeast winds 10 to 15 kt becoming south 5 to 10 kt. Waves 1 to 2 ft. .SUNDAY...Northwest winds 5 to 10 kt becoming north 10 to 15 kt. Waves 1 to 2 ft. .SUNDAY NIGHT...Northeast winds 5 to 10 kt veering to southeast 10 to 15 kt. Waves 1 to 2 ft. .MONDAY...South winds 10 to 20 kt. Waves 2 to 4 ft. .TUESDAY...South winds 10 to 20 kt. Showers likely with a chance of thunderstorms. Waves 1 to 3 ft. $$ LMZ761-170315- MAFOR 1622/ MICHIGAN NORTH 11320 11310 11410 11504 12604 12510. A chance of showers early, then a chance of showers and thunderstorms this evening. Waves 2 feet or less. MICHIGAN SOUTH 12420 12510 11604 11700 11800 11810. A chance of showers and thunderstorms this evening. Waves 2 feet or less. $$ CMiller Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes