Great Lakes Forecast
Issued by NWS
Issued by NWS
149 FZUS63 KDTX 071938 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 338 PM EDT Fri Aug 7 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...Light southerly flow will continue through the overnight out ahead of a cold front which passes through on Saturday. Winds shift to the northwest and briefly top out at or above 20 knots over northern Lake Huron Saturday afternoon into the evening. High pressure, 30.00 inches, slides east through the Ohio Valley Saturday night, allowing winds to become southerly once again for Sunday. LHZ361-080345- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 338 PM EDT Fri Aug 7 2026 .TONIGHT...Southeast winds 5 to 10 knots veering to the south after midnight. A chance of showers after midnight. Waves 1 to 3 feet. .SATURDAY...Southwest winds 5 to 10 knots becoming west 10 to 15 knots in the late morning and afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West winds 10 to 15 knots early in the evening becoming light and variable...then becoming southwest 5 to 10 knots after midnight. Waves 1 to 3 feet. .SUNDAY...South winds 5 to 10 knots. Waves 2 feet or less. .SUNDAY NIGHT...Light and variable winds. A chance of showers. Waves 2 feet or less. .MONDAY...Light and variable winds becoming northwest 5 to 10 knots. Waves 2 feet or less. .TUESDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable...then becoming west 5 to 10 knots early in the evening veering to the northwest. Waves 2 feet or less. .WEDNESDAY...West winds 5 to 10 knots becoming northwest 10 to 15 knots by midnight. Waves 2 feet or less. $$ LHZ362-363-080345- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 338 PM EDT Fri Aug 7 2026 .TONIGHT...Southeast winds 10 to 15 knots becoming south 5 to 10 knots early in the morning. Waves 1 to 3 feet. .SATURDAY...Southwest winds 10 to 15 knots decreasing to 5 to 10 knots in the late morning and early afternoon...then veering to the southwest 5 to 10 knots late in the afternoon. A chance of showers in the morning. Waves 1 to 3 feet. .SATURDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to 10 knots by midnight...then becoming light and variable after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SUNDAY...Southwest winds 5 to 10 knots becoming south 10 to 15 knots early in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...South winds 10 to 15 knots decreasing to 5 to 10 knots in the late evening and overnight. A chance of showers. Waves 1 to 3 feet. .MONDAY...Light and variable winds becoming north 5 to 10 knots late in the evening. A chance of showers. Waves 2 feet or less. .TUESDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable. A chance of showers early in the evening. Waves 2 feet or less. .WEDNESDAY...West winds 5 to 10 knots early in the morning becoming light and variable...then becoming east 5 to 10 knots early in the evening backing to the west. Waves 2 feet or less. $$ LHZ462>464-080345- 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- 338 PM EDT Fri Aug 7 2026 .TONIGHT...Southeast winds 5 to 10 knots veering to the south early in the morning. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots. A chance of showers. Waves 1 to 3 feet. .SATURDAY NIGHT...North winds 5 to 10 knots becoming light and variable. Waves 2 feet or less. .SUNDAY...Southwest winds 5 to 10 knots backing to the south early in the afternoon. Waves 2 feet or less. .SUNDAY NIGHT...South winds 5 to 10 knots increasing to 10 to 15 knots by midnight...then decreasing to 5 to 10 knots after midnight. A chance of showers. Waves 1 to 3 feet. .MONDAY...Southwest winds 5 to 10 knots backing to the southeast late in the evening. A chance of showers. A chance of thunderstorms. Rain showers likely late in the afternoon. Waves 2 feet or less. .TUESDAY...West winds 5 to 10 knots early in the morning becoming light and variable. A chance of showers until early evening. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 10 knots backing to the northwest early in the evening...then veering to the northwest 5 to 10 knots by midnight. A chance of showers by midnight. Waves 2 feet or less. $$ LHZ461-080345- MAFOR 0721/ HURON NORTH 13410 11400 12500 11610 11710. A chance of showers overnight and Saturday morning. Waves 1 to 3 feet. HURON SOUTH 11300 13400 13500 11600. A chance of showers Saturday. Waves 2 feet or less. $$ SS 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)