Great Lakes Forecast
Issued by NWS
Issued by NWS
293 FZUS63 KMKX 230043 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 743 PM CDT Sat Jun 22 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... Southerly winds across the lake will turn northwesterly this evening into Sunday morning as low pressure of 29.7 inches moves eastward across Wisconsin and subsequently Lake Michigan. Gusts of 20KT to 25KT are expected this evening into Sunday morning, mainly across southeastern Lake Michigan, before diminishing on Sunday. Showers and thunderstorms are possible across the lake this evening along surface frontal boundaries associated with the low pressure, but are expected to largely end Sunday morning with a few additional showers and storms possible across the northern half of the lake behind the low pressure Sunday afternoon. High pressure around 29.9 inches will then build into the Great Lakes region Sunday afternoon into Monday allowing for light northwesterly winds across the lake for the beginning of next week. LMZ261-362-364-366-563-565-567-868-230900- 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- 743 PM CDT Sat Jun 22 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...Northwest winds 10 to 20 kt becoming north 15 to 25 kt. Patchy fog this evening. Chance of showers and thunderstorms. Waves 3 to 5 ft. .SUNDAY...North winds 15 to 25 kt becoming northwest 10 to 20 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft. .SUNDAY NIGHT...Northwest winds 10 to 20 kt becoming north 5 to 10 kt. Waves 1 to 2 ft. .MONDAY...Northeast winds 5 to 10 kt backing to southwest. Waves 1 ft or less. .MONDAY NIGHT...South winds 10 to 15 kt increasing to 15 to 25 kt overnight. Waves 1 to 2 ft building to 1 to 3 ft. .TUESDAY...South winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms in the morning, then chance of showers in the afternoon. Waves 3 to 5 ft. .TUESDAY NIGHT...Southwest winds 10 to 20 kt becoming northwest 10 to 15 kt. Waves 3 to 5 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves 1 to 3 ft. .THURSDAY...East winds 10 to 15 kt veering to southwest 10 to 20 kt. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-230900- 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- 743 PM CDT Sat Jun 22 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...Southwest winds 15 to 25 kt becoming west. Patchy fog this evening. Showers with thunderstorms likely this evening, then chance of showers and thunderstorms overnight. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. .SUNDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft. .SUNDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 5 to 10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft. .MONDAY...North winds 5 to 10 kt veering to south 10 to 15 kt. Waves 1 to 2 ft. .MONDAY NIGHT...Southeast winds 10 to 15 kt becoming south 10 to 20 kt. Waves 1 to 2 ft building to 1 to 3 ft. .TUESDAY...South winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms. Waves 3 to 5 ft. .TUESDAY NIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt. Showers likely with a chance of thunderstorms. Waves 3 to 5 ft subsiding to 2 to 4 ft. .WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves 1 to 3 ft. .THURSDAY...Northeast winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft. $$ LMZ761-230900- MAFOR 2304 AMD/ MICHIGAN NORTH 12820 11830 11730 13720 11710. A chance of showers and thunderstorms late this evening, then a chance of showers overnight. Waves 1 to 3 feet building to 2 to 4 feet overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet Sunday. Waves 2 feet or less Sunday evening. MICHIGAN SOUTH 11536 11630 12730 13720 11710. A chance of thunderstorms overnight. Waves 2 to 4 feet building to 3 to 5 feet overnight. Waves 3 to 5 feet subsiding to 2 to 4 feet Sunday. Waves 1 to 3 feet Sunday evening. $$ WFO MKX Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes