FZUS63 KDTX 301345 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 945 AM EDT Thu Apr 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 diffuse low pressure system, 30.00, will very gradually move across the Great Lakes through the late week period. This will bring periods of isolated rain showers and will generally maintain lighter northwest flow. LHZ361-362-302145- 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- 945 AM EDT Thu Apr 30 2026 .REST OF TODAY...West winds 10 to 20 knots. Waves 1 to 3 feet. .TONIGHT...West winds 10 to 15 knots. Waves 1 to 3 feet. .FRIDAY...North winds 5 to 10 knots. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to 4 feet. .SATURDAY...Northwest winds 10 to 15 knots becoming west 5 to 10 knots late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY...West winds 5 to 10 knots becoming south 10 to 15 knots. A chance of showers by midnight. Waves 1 to 3 feet building to 2 to 4 feet . .MONDAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. A chance of showers early in the morning. A chance of showers . Waves 3 to 5 feet. $$ LHZ363-462>464-302145- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 945 AM EDT Thu Apr 30 2026 .REST OF TODAY...North winds 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .TONIGHT...North winds 5 to 10 knots backing to the west after midnight. Waves 1 to 3 feet. .FRIDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet. .FRIDAY NIGHT...North winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots late in the morning...then backing to the southwest late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY...West winds 5 to 10 knots becoming southwest 10 to 15 knots. A chance of showers by midnight. Waves 1 to 3 feet building to 3 to 5 feet . .MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots . A chance of showers. Waves 3 to 5 feet. $$ LHZ461-302145- MAFOR 3015/ HURON NORTH 12700 11600 12710 12700 11800. Waves 2 feet or less. HURON SOUTH 11800 14700 11600 12700. Waves 1 to 3 feet. $$ 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)