FZUS63 KDTX 201225 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 825 AM EDT Mon Apr 20 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 moves through the region today, then gusty south wind develops Tuesday ahead of the next cold front set to pass through Tuesday night. Another area of high pressure settles into the region on Wednesday. LHZ361>363-202030- 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- 825 AM EDT Mon Apr 20 2026 .REST OF TODAY...West winds 5 to 10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. .TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late evening and overnight. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .TUESDAY...South winds 15 to 20 knots decreasing to 10 to 15 knots in the late morning and early afternoon...then veering to the south 10 to 15 knots early in the afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .WEDNESDAY...North winds 5 to 10 knots becoming light and variable...then becoming east 5 to 10 knots late in the evening. Waves 2 feet or less. .THURSDAY...Southeast winds 5 to 10 knots becoming east 15 to 20 knots. Waves 2 to 4 feet building to 5 to 7 feet . Waves occasionally around 10 feet. .FRIDAY...East winds 15 to 20 knots decreasing to 10 to 15 knots early in the evening...then increasing to 15 to 20 knots by midnight. A chance of showers . Waves 6 to 9 feet. Waves occasionally around 12 feet. $$ LHZ462>464-202030- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 825 AM EDT Mon Apr 20 2026 .REST OF TODAY...Northwest winds 10 to 15 knots decreasing to 5 to 10 knots early in the afternoon...then veering to the northwest 5 to 10 knots late in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet late in the afternoon. .TONIGHT...Southeast winds 5 to 10 knots becoming south 15 to 20 knots. Waves 1 to 3 feet building to 3 to 5 feet after midnight. .TUESDAY...South winds 15 to 20 knots decreasing to 10 to 15 knots early in the afternoon. Sprinkles in the morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TUESDAY NIGHT...South winds 5 to 10 knots backing to the north in the late evening and overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .WEDNESDAY...North winds 5 to 10 knots becoming light and variable. Waves 2 feet or less. .THURSDAY...Southeast winds 5 to 10 knots increasing to 10 to 15 knots . Waves 1 to 3 feet building to 2 to 4 feet by midnight. .FRIDAY...Southeast winds 15 to 20 knots decreasing to 10 to 15 knots . A chance of showers . Waves 3 to 5 feet. $$ LHZ461-202030- MAFOR 2015/ HURON NORTH 11700 11600 11410 14420 11420. Waves 2 feet or less this afternoon. Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 5 to 7 feet. Occasional wave height around 10 feet Tuesday morning. HURON SOUTH 11700 11600 11300 12410 13420. Waves 2 to 4 feet this afternoon. Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 5 to 7 feet. Occasional wave height around 10 feet Tuesday morning. $$ JA 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)