


Great Lakes Forecast
Issued by NWS
Issued by NWS
104 FZUS63 KDTX 111603 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 1203 PM EDT Tue Mar 11 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...A cold front, average pressure 29.60 inches, will move across the eastern Great Lakes early today. High pressure, 30.10 inches, will then expand into the northern Great Lakes late today into tonight. This will result in gradual weakening of the winds across the lakes. The high pressure will build into southern Quebec on Wednesday leading to a light easterly wind component across the lakes. This low pressure system will gradually depart the region during the end of the week as a strong slow moving low pressure system crosses the central plains. LHZ361-362-120015- 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- 1203 PM EDT Tue Mar 11 2025 .REST OF TODAY...Northwest winds 20 to 25 knots. Gusts to 30 knots early in the afternoon. Waves 10 to 14 feet. Waves occasionally around 18 feet. .TONIGHT...Northwest winds 20 to 25 knots becoming north 5 to 10 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet after midnight. Waves occasionally around 12 feet. .WEDNESDAY...East winds 5 to 10 knots becoming southeast 10 to 15 knots in the late morning and afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots becoming southeast 5 to 10 knots in the late evening and overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Light and variable winds becoming south 5 to 10 knots late in the morning...then backing to the east late in the afternoon. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots until early morning. A chance of. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...Southeast winds 20 to 25 knots with gusts to around 30 knots becoming south 15 to 20 knots in the late evening and early morning. A chance of rain early in the morning...then rain likely in the late morning and early afternoon. A chance of rain until early morning. Waves 8 to 12 feet. Waves occasionally around 15 feet. $$ LHZ363-462-120015- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- 1203 PM EDT Tue Mar 11 2025 .REST OF TODAY...Northwest winds 15 to 20 knots becoming north 20 to 25 knots late in the afternoon. Waves 10 to 14 feet. Waves occasionally around 18 feet. .TONIGHT...North winds 15 to 20 knots decreasing to 5 to 10 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet after midnight. Waves occasionally around 12 feet. .WEDNESDAY...Northeast winds 5 to 10 knots becoming east 10 to 15 knots in the late morning and afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 to 3 feet. .THURSDAY...Light and variable winds becoming east 5 to 10 knots. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots until early morning. A chance of. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...South winds 20 to 25 knots with gusts to around 30 knots. Rain likely until afternoon...then a chance of rain until early morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. $$ LHZ463-464-120015- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 1203 PM EDT Tue Mar 11 2025 .REST OF TODAY...North winds 20 to 25 knots. Waves 4 to 6 feet building to 6 to 9 feet late in the afternoon. Waves occasionally around 12 feet. .TONIGHT...North winds 15 to 20 knots decreasing to 10 to 15 knots in the late evening and overnight. Waves 5 to 7 feet subsiding to 3 to 5 feet early in the morning. Waves occasionally around 10 feet. .WEDNESDAY...East winds 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots becoming southeast 5 to 10 knots in the late evening and overnight. Waves 1 to 3 feet. .THURSDAY...East winds 5 to 10 knots. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots until early morning. A chance of. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...South winds 20 to 25 knots with gusts to around 30 knots. Rain likely until afternoon...then a chance of rain until early morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. $$ LHZ461-120015- MAFOR 1115 AMD/ HURON NORTH...Gale Warning in effect...11740 12730 11720 11710 11800 11100 11200. Waves 6 to 9 feet. Occasional wave height around 12 feet this afternoon. Waves 5 to 7 feet subsiding to 3 to 5 feet...THEN subsiding to 1 to 3 feet. Occasional wave height around 10 feet tonight. Waves 2 feet or less Wednesday morning. HURON SOUTH 11730 11830 12820 11810 11800 11100 11200. Waves 6 to 9 feet. Occasional wave height around 12 feet this afternoon. Waves 6 to 9 feet subsiding to 3 to 5 feet. Occasional wave height around 12 feet tonight. Waves 1 to 3 feet Wednesday morning. $$ SC 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)