FZUS63 KDTX 041856 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 256 PM EDT Tue Aug 4 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, 30.00 inches, retreats toward the Mid Atlantic tonight. A slow moving cold front will move into Lake Huron Wednesday triggering showers and a chance for thunderstorms across the region through the end of the workweek. LHZ361-050300- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 256 PM EDT Tue Aug 4 2026 .TONIGHT...Northeast winds 5 to 10 knots early in the evening becoming light and variable...then becoming south 5 to 10 knots after midnight. A chance of showers after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .WEDNESDAY...North winds 5 to 10 knots early in the morning becoming light and variable...then becoming southwest 5 to 10 knots late in the afternoon. Showers likely in the morning... then a chance of showers in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...West winds 5 to 10 knots early in the evening becoming light and variable. Waves 2 feet or less. .THURSDAY...Light and variable winds. Waves 2 feet or less. .THURSDAY NIGHT...Light and variable winds becoming south 5 to 10 knots in the late evening and overnight. Waves 2 feet or less. .FRIDAY...South winds 5 to 10 knots backing to the east late in the afternoon...then veering to the south late in the evening. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots becoming west 10 to 15 knots early in the evening...then becoming light and variable by midnight. Waves 2 feet or less. .SUNDAY...Southwest winds 5 to 10 knots veering to the west by midnight. Waves 2 feet or less. $$ LHZ362-363-050300- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 256 PM EDT Tue Aug 4 2026 .TONIGHT...South winds 10 to 15 knots decreasing to 5 to 10 knots early in the morning. Waves 3 to 5 feet. .WEDNESDAY...South winds 5 to 10 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots early in the evening becoming light and variable. A chance of showers. Waves 2 feet or less. .THURSDAY...Light and variable winds. A chance of showers. Waves 2 feet or less. .THURSDAY NIGHT...Light and variable winds. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming southeast 5 to 10 knots late in the afternoon. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots backing to the east early in the evening...then becoming light and variable by midnight. Waves 1 to 3 feet. .SUNDAY...Southwest winds 5 to 10 knots. A chance of showers. Waves 1 to 3 feet. $$ LHZ462>464-050300- 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- 256 PM EDT Tue Aug 4 2026 .TONIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight. .WEDNESDAY...South winds 5 to 10 knots backing to the southeast late in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...North winds 5 to 10 knots veering to the south by midnight...then veering to the south 5 to 10 knots after midnight. Showers likely after midnight. Waves 2 feet or less. .THURSDAY...North winds 5 to 10 knots. Showers likely. Waves 2 feet or less. .THURSDAY NIGHT...North winds 5 to 10 knots early in the evening becoming light and variable. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming south 5 to 10 knots late in the evening. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots. A chance of showers early in the evening. Waves 2 feet or less. .SUNDAY...Southwest winds 5 to 10 knots. A chance of showers. Waves 1 to 3 feet. $$ LHZ461-050300- MAFOR 0421/ HURON NORTH 12410 11510 14500 11506. Waves 2 to 4 feet tonight. Waves 1 to 3 feet Wednesday. HURON SOUTH 14410 11500 12400 11300. A chance of showers Wednesday afternoon. Waves 2 to 4 feet tonight. Waves 1 to 3 feet Wednesday. $$ KGK 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)