


Great Lakes Forecast
Issued by NWS
Issued by NWS
272 FZUS63 KDTX 241339 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 939 AM EDT Sun Aug 24 2025 For waters beyond five nautical miles off shore on Lake Huron Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...Cooler conditions settle in behind a cold front today that will last at least through the first half of next week. Additional chances exist for shower/storm development today and tomorrow with a chance for waterspouts associated with the colder airmass arrival. LHZ361-362-242145- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- 939 AM EDT Sun Aug 24 2025 .REST OF TODAY...Southwest winds 10 to 15 knots. Numerous showers late in the morning...then numerous showers and scattered thunderstorms in the afternoon. A chance of waterspouts in the afternoon. Waves 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots. Numerous showers in the evening...then scattered showers after midnight. A chance of waterspouts. Waves 3 to 5 feet building to 4 to 6 feet early in the morning. Waves occasionally around 8 feet. .MONDAY...Northwest winds 15 to 20 knots increasing to 20 to 25 knots in the late morning and afternoon. Gusts to 35 knot gales. Scattered showers in the morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY NIGHT...Northwest winds 20 to 25 knots with gusts to 35 knot gales decreasing to 15 to 20 knots with gusts to around 30 knots in the late evening and overnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots late in the evening. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY...West winds 10 to 15 knots backing to the southwest until early morning. Waves 2 to 4 feet. .THURSDAY...West winds 10 to 15 knots becoming north 5 to 10 knots until early morning. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and early morning. $$ LHZ363-242145- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 939 AM EDT Sun Aug 24 2025 .REST OF TODAY...Southwest winds 10 to 15 knots. Numerous showers and scattered thunderstorms in the afternoon. A chance of waterspouts in the afternoon. Waves 1 to 3 feet. .TONIGHT...West winds 10 to 15 knots becoming northwest 15 to 20 knots in the late evening and overnight. A chance of waterspouts in the evening. Numerous showers and scattered thunderstorms in the evening...then scattered showers after midnight. Waves 2 to 4 feet building to 4 to 6 feet early in the morning. Waves occasionally around 8 feet. .MONDAY...Northwest winds 15 to 20 knots. A chance of showers. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY NIGHT...Northwest winds 15 to 20 knots. A chance of showers in the evening. Waves 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots late in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots early in the evening...then becoming west 10 to 15 knots in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the evening...then building to 2 to 4 feet in the late evening and early morning. .THURSDAY...West winds 15 to 20 knots decreasing to 10 to 15 knots in the late morning and early afternoon...then veering to the north until early morning. A chance of showers until early evening. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening and early morning. $$ LHZ462>464-242145- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 939 AM EDT Sun Aug 24 2025 .REST OF TODAY...West winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Scattered showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...West winds 10 to 15 knots veering to the northwest after midnight. A chance of waterspouts in the evening. Scattered showers and thunderstorms in the evening...then scattered showers after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .MONDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots early in the afternoon. A chance of showers. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY NIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. A chance of showers in the evening. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TUESDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY...Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the late morning and early afternoon...then backing to the southwest early in the evening increasing to 10 to 15 knots in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet until early morning. .THURSDAY...West winds 10 to 15 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and early morning. $$ LHZ461-242145- MAFOR 2415/ HURON NORTH 11616 11616 19619 12726 13720 19726 11730. A chance of waterspouts tonight and Monday morning. Waves 1 to 3 feet this afternoon. Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 4 to 6 feet Monday morning. HURON SOUTH 11610 11516 19519 11616 19619 11710 19719 11710 19716 12720 19726 11720. A chance of waterspouts this afternoon and evening. Waves 1 to 3 feet this afternoon. Waves 2 to 4 feet building to 3 to 5 feet tonight. Waves 5 to 7 feet. Occasional wave height around 10 feet Monday morning. $$ SS Experimental modernized open lake forecast is available online at weather.gov/dtx/glftable (all lower case) Graphical marine forecasts are available online at weather.gov/greatlakes (all lower case)