FZUS63 KDTX 301948 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 348 PM 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. LHZ361-362-010400- 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- 348 PM EDT Thu Apr 30 2026 .TONIGHT...West winds 10 to 15 knots. Waves 1 to 3 feet. .FRIDAY...North winds 5 to 10 knots backing to the west late in the afternoon. 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 in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 3 feet. .SUNDAY...Southwest winds 5 to 10 knots increasing to 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .MONDAY...Southwest winds 10 to 15 knots becoming south 15 to 20 knots. A chance of showers . Waves 3 to 5 feet building to 4 to 6 feet by midnight. Waves occasionally around 8 feet. .TUESDAY...West winds 15 to 20 knots decreasing to 10 to 15 knots until early evening...then veering to the west 10 to 15 knots by midnight. A chance of showers . Waves 3 to 5 feet. $$ LHZ363-462>464-010400- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 348 PM EDT Thu Apr 30 2026 .TONIGHT...North winds 5 to 10 knots backing to the west after midnight. Waves 1 to 3 feet. .FRIDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet. .FRIDAY NIGHT...North winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...Light and variable winds becoming southeast 5 to 10 knots by midnight...then veering to the southwest after midnight. Waves 2 feet or less. .SUNDAY...Southwest winds 5 to 10 knots increasing to 15 to 20 knots. Waves 1 to 3 feet building to 3 to 5 feet late in the afternoon. .MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers. Waves 3 to 5 feet. .TUESDAY...West winds 10 to 15 knots backing to the east early in the evening...then becoming northeast 5 to 10 knots by midnight. A chance of showers. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the evening...then building to 2 to 4 feet by midnight. $$ LHZ461-010400- MAFOR 3021/ HURON NORTH 11600 12710 12700 12800 11700. Waves 2 feet or less. HURON SOUTH 13700 11600 13700 11800. Waves 2 feet or less. $$ AM 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)