FZUS63 KDTX 091945 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 345 PM EDT Thu Jul 9 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 weak low pressure system, 29.80 inches, and trailing cold front will trek through the Great Lakes region today, bringing scattered rain showers and isolated thunderstorms. A high pressure system, 30.20 inches, is then expected to develop over the region and persist throughout the weekend. LHZ361-100400- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 345 PM EDT Thu Jul 9 2026 .TONIGHT...Light and variable winds becoming northwest 5 to 10 knots after midnight. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots in the morning becoming light and variable. Waves 2 feet or less. .FRIDAY NIGHT...Light and variable winds. Waves 2 feet or less. .SATURDAY...Light and variable winds becoming east 5 to 10 knots early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Light and variable winds becoming south 5 to 10 knots in the late evening and overnight. Waves 2 feet or less. .SUNDAY...South winds 5 to 10 knots backing to the east late in the afternoon...then veering to the southwest late in the evening. Waves 2 feet or less. .MONDAY...Southwest winds 10 to 15 knots. Waves 1 to 3 feet building to 3 to 5 feet by midnight. .TUESDAY...West winds 15 to 20 knots decreasing to 10 to 15 knots by midnight. Waves 3 to 5 feet. $$ LHZ362-363-100400- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 345 PM EDT Thu Jul 9 2026 .TONIGHT...Light and variable winds. Waves 2 feet or less. .FRIDAY...Light and variable winds. Waves 2 feet or less. .FRIDAY NIGHT...Light and variable winds. Waves 2 feet or less. .SATURDAY...Light and variable winds. Waves 2 feet or less. .SATURDAY NIGHT...Light and variable winds. Waves 2 feet or less. .SUNDAY...Light and variable winds becoming southeast 5 to 10 knots. Waves 2 feet or less. .MONDAY...Southwest winds 5 to 10 knots. Waves 1 to 3 feet. .TUESDAY...Southwest winds 10 to 15 knots. Waves 2 to 4 feet. $$ LHZ462>464-100400- 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- 345 PM EDT Thu Jul 9 2026 .TONIGHT...Light and variable winds becoming north 5 to 10 knots early in the morning. Numerous thunderstorms and scattered showers in the evening. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...North winds 10 to 15 knots becoming northeast 5 to 10 knots in the late evening and overnight. Waves 1 to 3 feet. .SATURDAY...North winds 5 to 10 knots. Waves 2 feet or less. .SATURDAY NIGHT...Northeast winds 5 to 10 knots becoming light and variable. Waves 1 to 3 feet. .SUNDAY...Light and variable winds becoming southeast 5 to 10 knots late in the evening. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots. Waves 2 feet or less. .TUESDAY...Southwest winds 5 to 10 knots becoming west 10 to 15 knots . Waves 1 to 3 feet building to 2 to 4 feet . $$ LHZ461-100400- MAFOR 0921/ HURON NORTH 11100 14700 12800 11700. Waves nearly calm. HURON SOUTH 11109 11800 19809 15800. Waves 2 feet or less. $$ TF Experimental modernized open lake forecast is available online at weather.gov/dtx/glftable (all lower case) Graphical marineforecasts are available online at weather.gov/greatlakes (all lower case)