Great Lakes Forecast
Issued by NWS
Issued by NWS
318 FZUS63 KDTX 222039 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 339 PM EST Sat Nov 22 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...Low pressure tracking through northern Ontario this evening will drag a cold front through the region tonight. Northwest wind gusts behind the front on Sunday will reach into the 25 to 35 knot range over Lake Huron. Winds quickly diminish Sunday evening/night as a ridge of high pressure, 30.20 inches, arrives. LHZ361-362-230445- 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- 339 PM EST Sat Nov 22 2025 ...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON... .TONIGHT...South winds 10 to 15 knots becoming southwest 15 to 20 knots in the late evening and overnight. Rain likely and a chance of snow in the evening...then a chance of rain after midnight. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally around 8 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest 20 to 25 knots in the late morning and afternoon. Gusts to 35 knot gales. Waves 6 to 9 feet building to 8 to 12 feet in the afternoon. Waves occasionally around 15 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots with gusts to around 30 knots becoming west 10 to 15 knots in the late evening and early morning...then becoming southwest 5 to 10 knots after midnight. Waves 6 to 9 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 12 feet. .MONDAY...Southwest winds 10 to 15 knots. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. .MONDAY NIGHT...South winds 10 to 15 knots. A chance of rain. Waves 3 to 5 feet. .TUESDAY...South winds 10 to 15 knots becoming southeast 5 to 10 knots late in the afternoon...then becoming south 10 to 15 knots late in the evening. Rain likely. Waves 3 to 5 feet. .WEDNESDAY...South winds 20 to 25 knots becoming southwest to 30 knots with gusts to 35 knot gales in the late morning and early afternoon...then becoming west at 35 knot gales with gusts to 40 knot gales until early morning. Rain and snow likely early in the morning...then snow until early morning. Waves 6 to 9 feet building to 12 to 16 feet. Waves occasionally around 20 feet. A gale warning may be needed. .THURSDAY...West winds to 30 knots increasing to 35 knot gales early in the evening...then becoming northwest to 30 knots in the late evening and early morning. Snow likely...then a chance of snow in the late evening and early morning. Waves 10 to 14 feet. Waves occasionally around 18 feet. $$ LHZ363-462>464-230445- 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- 339 PM EST Sat Nov 22 2025 .TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. A chance of rain in the evening. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally around 8 feet. .SUNDAY...West winds 15 to 20 knots increasing to 20 to 25 knots in the late morning and early afternoon...then becoming northwest 15 to 20 knots late in the afternoon. Gusts to 30 knots. Waves 5 to 7 feet building to 8 to 12 feet in the afternoon. Waves occasionally around 15 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet after midnight. Waves occasionally around 12 feet. .MONDAY...Southwest winds 10 to 15 knots becoming south 15 to 20 knots early in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. .MONDAY NIGHT...South winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. A chance of rain after midnight. Waves 3 to 5 feet. .TUESDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots late in the afternoon...then increasing to 10 to 15 knots late in the evening. A chance of rain...then rain likely late in the evening. Waves 3 to 5 feet. .WEDNESDAY...Southwest winds 20 to 25 knots with gusts to around 30 knots increasing to 40 knot gales with gusts to 45 knot gales. Rain likely early in the morning...then a chance of rain and snow in the late morning and early afternoon. Snow likely until early morning. Waves 6 to 9 feet building to 12 to 16 feet. Waves occasionally around 20 feet. A gale warning may be needed. .THURSDAY...West at 35 knot gales decreasing to 30 knots in the late evening and early morning. Gusts to 40 knot gales. A chance of snow. Waves 10 to 14 feet. Waves occasionally around 18 feet. $$ LHZ461-230445- MAFOR 2222/ HURON NORTH...Gale Warning in effect...11516 11426 11526 11520 11620 13730 19750. Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 6 to 9 feet. Occasional wave height around 12 feet Sunday. HURON SOUTH 12510 12520 12620 12730. Waves 2 feet or less building to 2 to 4 feet...THEN building to 3 to 5 feet tonight. Waves 5 to 7 feet. Occasional wave height around 10 feet Sunday. $$ SF 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)