FZUS63 KDTX 120721 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 321 AM EDT Sun Apr 12 2026 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...High pressure exits this morning giving way to an active stretch of weather. Expect several rounds of showers, thunderstorms, and gusty winds through Thursday with multiple passing disturbances. LHZ361-362-121530- 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- 321 AM EDT Sun Apr 12 2026 .TODAY...Southeast winds 15 to 20 knots increasing to 20 to 25 knots with gusts to around 30 knots in the late morning and early afternoon...then decreasing to 15 to 20 knots late in the afternoon. Showers. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TONIGHT...Southeast winds 15 to 20 knots becoming southwest 20 to 25 knots with gusts to around 30 knots in the late evening and overnight. A chance of showers and thunderstorms in the evening...then a chance of showers after midnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and afternoon. A chance of showers in the morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY NIGHT...West winds 5 to 10 knots veering to the northeast by midnight...then becoming east 10 to 15 knots after midnight. A chance of showers in the evening...then showers and a chance of thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...East winds 15 to 20 knots becoming northeast 10 to 15 knots late in the morning...then becoming northwest 5 to 10 knots late in the afternoon. Showers and a chance of thunderstorms in the morning. A chance of showers. Waves 3 to 5 feet. .WEDNESDAY...North winds 10 to 15 knots becoming northeast 5 to 10 knots early in the evening...then becoming east 10 to 15 knots by midnight. A chance of showers. Showers likely by midnight. Waves 3 to 5 feet. .THURSDAY...East winds 15 to 20 knots becoming southwest 10 to 15 knots early in the evening...then veering to the northwest by midnight. Showers likely early in the morning...then a chance of showers until early evening. Waves 3 to 5 feet subsiding to 2 to 4 feet by midnight. $$ LHZ363-462>464-121530- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 321 AM EDT Sun Apr 12 2026 .TODAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Showers in the morning...then showers likely in the afternoon. Waves 3 to 5 feet building to 5 to 7 feet in the afternoon. Waves occasionally around 10 feet. .TONIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots after midnight. Showers likely. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY...Southwest winds 15 to 20 knots decreasing to 10 to 15 knots early in the afternoon. A chance of showers in the morning. Waves 4 to 6 feet. .MONDAY NIGHT...North winds 5 to 10 knots veering to the east by midnight...then becoming south 10 to 15 knots after midnight. A chance of showers in the evening...then a chance of showers and thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Waves occasionally around 8 feet. .TUESDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. A chance of thunderstorms in the morning. A chance of showers. Showers likely late in the evening. Waves 2 to 4 feet. .WEDNESDAY...North winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and early afternoon...then veering to the southeast . A chance of showers early in the morning. Showers likely . Waves 3 to 5 feet. .THURSDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots early in the evening...then becoming west 5 to 10 knots by midnight. A chance of showers. Waves 3 to 5 feet subsiding to 1 to 3 feet by midnight. $$ LHZ461-121530- MAFOR 1209/ HURON NORTH 12326 11336 11326 12426 12530. A chance of thunderstorms this afternoon and evening. Waves 1 to 3 feet building to 3 to 5 feet...THEN building to 5 to 7 feet. Occasional wave height around 10 feet today. Waves 5 to 7 feet. Occasional wave height around 10 feet tonight. HURON SOUTH 11316 12326 13426 11526 11536. Waves 2 to 4 feet building to 3 to 5 feet today. Waves 3 to 5 feet tonight. $$ DRK 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)