Great Lakes Forecast
Issued by NWS
Issued by NWS
524 FZUS63 KDTX 301936 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 336 PM EDT Wed Sep 30 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...A cold front will reside over southern lower Michigan this afternoon as southwest winds slowly increase. This front will continue to bring occasional showers today through Friday. Drier conditions move in later Friday as high pressure, 30.30 inches, moves in from the west. LHZ361-010345- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 336 PM EDT Wed Sep 30 2026 .TONIGHT...South winds 5 to 10 knots. Waves 2 feet or less. .THURSDAY...Southwest winds 5 to 10 knots becoming west 10 to 15 knots late in the afternoon. A chance of showers. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds 10 to 15 knots. A chance of showers in the evening. Waves 1 to 3 feet. .FRIDAY...Northwest winds 10 to 15 knots increasing to 15 to 20 knots with gusts to around 30 knots in the late morning and afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .FRIDAY NIGHT...Northwest winds 15 to 20 knots with gusts to around 30 knots decreasing to 5 to 10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SATURDAY...Light and variable winds becoming southeast 5 to 10 knots late in the afternoon...then becoming south 10 to 15 knots late in the evening. A chance of showers late in the evening. Waves 2 feet or less. .SUNDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots with gusts to around 30 knots in the late morning and early afternoon...then veering to the northwest with gusts to 35 knot gales . A chance of showers early in the morning. Waves 2 to 4 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .MONDAY...Northwest winds 10 to 15 knots decreasing to 5 to 10 knots by midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet . $$ LHZ362-363-010345- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 336 PM EDT Wed Sep 30 2026 .TONIGHT...South winds 15 to 20 knots with gusts to around 30 knots becoming southwest 10 to 15 knots after midnight. A chance of showers after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY...Southwest winds 10 to 15 knots decreasing to 5 to 10 knots late in the afternoon. Showers likely in the morning... then showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .THURSDAY NIGHT...West winds 10 to 15 knots becoming northwest 15 to 20 knots in the late evening and overnight. A chance of showers. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .FRIDAY...Northwest winds 10 to 15 knots increasing to 15 to 20 knots with gusts to around 30 knots in the late morning and afternoon. Waves 3 to 5 feet building to 5 to 7 feet early in the afternoon. Waves occasionally around 10 feet. .FRIDAY NIGHT...Northwest winds 20 to 25 knots with gusts to around 30 knots decreasing to 10 to 15 knots. Waves 4 to 6 feet. .SATURDAY...North winds 5 to 10 knots in the morning becoming light and variable...then becoming southeast 5 to 10 knots late in the afternoon becoming south 10 to 15 knots. Waves 1 to 3 feet. Waves occasionally around 8 feet. .SUNDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots in the late morning and early afternoon...then veering to the west with gusts to around 30 knots early in the evening becoming northwest 20 to 25 knots with gusts to around 30 knots by midnight. Waves 2 to 4 feet building to 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots by midnight. Waves 4 to 6 feet. $$ LHZ462>464-010345- 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- 336 PM EDT Wed Sep 30 2026 .TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots late in the evening...then decreasing to 10 to 15 knots after midnight. A chance of showers. Waves 2 to 4 feet. .THURSDAY...Southwest winds 10 to 15 knots. Showers likely in the morning...then showers in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots veering to the northwest by midnight...then increasing to 15 to 20 knots after midnight. Showers in the evening...then a chance of showers after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. .FRIDAY...Northwest winds 15 to 20 knots. Waves 3 to 5 feet. .FRIDAY NIGHT...North winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Waves 4 to 6 feet. .SATURDAY...North winds 5 to 10 knots in the morning becoming light and variable...then becoming south 5 to 10 knots late in the evening. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 8 feet. .SUNDAY...South winds 10 to 15 knots veering to the west early in the evening...then becoming northwest 20 to 25 knots by midnight. Waves 1 to 3 feet building to 6 to 9 feet . Waves occasionally around 12 feet. .MONDAY...Northwest winds 15 to 20 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet by midnight. Waves occasionally around 12 feet. $$ LHZ461-010345- MAFOR 3021/ HURON NORTH 12420 11410 12500 13506. Waves 3 to 5 feet tonight. Waves 1 to 3 feet Thursday. HURON SOUTH 11510 11420 12510 14516. Waves 2 to 4 feet. $$ 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)