Great Lakes Forecast
Issued by NWS
Issued by NWS
581 FZUS63 KMKX 070152 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 852 PM CDT Sat Jul 6 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... 30.0 inch high pressure initially centered over Lake Erie will gradually push into the Saint Lawrence River Valley Sunday through Monday, resulting in primarily southerly winds across the open waters. Readings will remain light, with gusts at or below 15 knots expected. Periods of showers and thunderstorms are possible Sunday night and Monday morning. A cold front will approach the open waters Monday night, resulting in a wind shift out of the west by sunrise Tuesday morning. LMZ261-362-364-366-563-565-567-868-070915- 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- 852 PM CDT Sat Jul 6 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TONIGHT...Southwest winds 5 to 10 kt becoming south. Waves 1 to 2 ft. .SUNDAY...South winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 2 ft. .SUNDAY NIGHT...South winds 10 to 15 kt. Chance of showers in the evening, then chance of showers and thunderstorms overnight. Waves 1 to 2 ft. .MONDAY...South winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 2 ft. .MONDAY NIGHT...Southwest winds 10 to 15 kt diminishing to 5 to 10 kt. Waves 1 to 2 ft. .TUESDAY...West winds 5 to 10 kt becoming southwest 10 to 15 kt. Waves 1 ft or less. .TUESDAY NIGHT...West winds 5 to 10 kt veering to north. Waves 1 ft or less. .WEDNESDAY...Northeast winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 2 ft. .THURSDAY...Northeast winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-070915- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 852 PM CDT Sat Jul 6 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TONIGHT...South winds 5 to 10 kt. Waves 1 to 2 ft. .SUNDAY...South winds 5 to 10 kt becoming southeast 10 to 15 kt. Slight chance of showers in the afternoon. Waves 1 to 2 ft. .SUNDAY NIGHT...Southeast winds 10 to 15 kt becoming south. Chance of showers in the evening, then chance of showers and thunderstorms overnight. Waves 1 to 2 ft. .MONDAY...South winds 10 to 15 kt. Waves 1 to 2 ft. .MONDAY NIGHT...Southwest winds 5 to 10 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft. .TUESDAY...West winds 5 to 10 kt becoming southwest 10 to 15 kt. Chance of showers in the morning. Waves 1 ft or less. .TUESDAY NIGHT...Southwest winds 5 to 10 kt veering to northwest. Waves 1 ft or less. .WEDNESDAY...Northeast winds 10 to 15 kt becoming north 10 to 20 kt. Waves 1 to 2 ft. .THURSDAY...Northeast winds 10 to 15 kt becoming north 10 to 20 kt. Waves 1 to 2 ft. $$ LMZ761-070915- MAFOR 0704/ MICHIGAN NORTH 11500 12400 14410 11410. A chance of showers and thunderstorms Sunday evening. Waves 2 feet or less. MICHIGAN SOUTH 13400 12410 13310. A chance of showers Sunday evening. Waves 2 feet or less. $$ Quigley Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes