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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 August 2026

Today Tonight and Thursday.

Wind variable 10 knots becoming light this morning then becoming north 15 this afternoon. Wind diminishing to light this evening then becoming northwest 10 overnight. Wind becoming light near noon Thursday except variable 10 near the south end.

Scattered showers this afternoon and this evening with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 12 August 2026
Today Tonight and Thursday. Waves less than 0.5 metres.

Extended Forecast

Issued 06:30 PM EDT 11 August 2026
Thursday Wind light.
Friday Wind northeast 15 knots.
Saturday Wind light becoming southeast 15 knots late in the day.

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Map of Great Lakes - Lake Huron marine weather areas Erieau CFB Trenton Muskoka Airport Parry Sound Harbour Toronto City Centre Airport Lake Simcoe Regional Airport Wiarton Airport Point Petre Lagoon City Western Islands Cobourg Port Colborne Windsor Airport Point Pelee Welland-Pelham Vineland Station Burlington Lift Bridge Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Harrow AAFC Hamilton Munro Int'l Airport Tobermory Sarnia Chris Hadfield Airport Oshawa Executive Airport Collingwood Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Peterborough Municipal Airport Brockville Grenadier Island Kingston Airport
Legend:
buoy Buoy
land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Lake Huron

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 12 August 2026 Today Tonight and Thursday At 3:00 a.m. EDT today quasi-stationary trough located over Iowa
to Ohio.

At 3:00 a.m. EDT today quasi-stationary ridge located on a line
northwest-southeast over Lake Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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