Great Lakes Forecast
Issued by NWS
Issued by NWS
369 FZUS63 KDTX 130141 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 941 PM EDT Sat Sep 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...Low pressure, 29.30 inches, will continue to push eastward over northern Ontario as it drags a cold front across the central Great Lakes through Sunday. Northwesterly flow increases on Sunday behind the front. LHZ361>363-130945- 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- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 941 PM EDT Sat Sep 12 2026 .REST OF TONIGHT...West winds 10 to 15 knots becoming 5 to 10 knots early in the morning. Waves 1 to 3 feet. .SUNDAY...Northwest winds 5 to 10 knots becoming west 15 to 20 knots with gusts to around 30 knots. Waves 1 to 3 feet building to 4 to 6 feet late in the afternoon. Waves occasionally around 8 feet. .SUNDAY NIGHT...Northwest winds 20 to 25 knots with gusts to around 30 knots decreasing to 10 to 15 knots. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY...Northwest winds 10 to 15 knots early in the morning becoming light and variable. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late morning and afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots increasing to 15 to 20 knots with gusts to around 30 knots by midnight...then becoming south 20 to 25 knots with gusts to 35 knot gales after midnight. Showers after midnight. Waves 1 to 3 feet building to 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY...South winds to 30 knots with gusts to 40 knot gales decreasing to 20 to 25 knots with gusts to 40 knot gales late in the morning...then becoming southwest 10 to 15 knots late in the afternoon. Showers in the morning. Rain showers likely late in the morning. Waves 8 to 12 feet subsiding to 2 to 4 feet late in the evening. Waves occasionally around 15 feet. .WEDNESDAY...North winds 5 to 10 knots early in the morning becoming light and variable...then becoming northeast 5 to 10 knots by midnight. A chance of showers by midnight. Waves 2 feet or less. .THURSDAY...Northeast winds 5 to 10 knots. A chance of showers until afternoon. Waves 2 feet or less. $$ LHZ462>464-130945- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 941 PM EDT Sat Sep 12 2026 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Waves 1 to 3 feet. .SUNDAY...North winds 5 to 10 knots backing to the northwest early in the afternoon...then becoming west 10 to 15 knots late in the afternoon. A chance of showers in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY...Northwest winds 10 to 15 knots becoming light and variable. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. .MONDAY NIGHT...Light and variable winds becoming southeast 10 to 15 knots by midnight...then becoming south 15 to 20 knots with gusts to around 30 knots after midnight. Waves 1 to 3 feet building to 4 to 6 feet after midnight. Waves occasionally around 8 feet. .TUESDAY...South winds 20 to 25 knots with gusts to 35 knot gales becoming southwest 10 to 15 knots late in the afternoon. Showers likely...then a chance of showers late in the afternoon. Waves 5 to 7 feet subsiding to 1 to 3 feet late in the evening. Waves occasionally around 10 feet. .WEDNESDAY...North winds 5 to 10 knots veering to the northeast by midnight. A chance of showers early in the evening. Rain showers likely by midnight. Waves 2 feet or less. .THURSDAY...East winds 5 to 10 knots becoming north 10 to 15 knots. Showers likely until afternoon. Waves 1 to 3 feet. $$ LHZ461-130945- MAFOR 1303/ HURON NORTH 14700 11710 11720 12730. Waves 1 to 3 feet overnight. Waves 1 to 3 feet building to 3 to 5 feet Sunday. Waves 5 to 7 feet. Occasional wave height around 10 feet Sunday evening. HURON SOUTH 11700 12800 13700 12720. A chance of showers Sunday afternoon. Waves 2 feet or less overnight and Sunday. Waves 4 to 6 feet Sunday evening. $$ MR 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)