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Southern Lake Huron

Forecast

Marine Forecast

Issued 06:30 PM EDT 19 July 2025

Tonight and Sunday.

Wind west 15 knots diminishing to variable 10 near midnight then increasing to north 15 early Sunday morning.

Showers or scattered thunderstorms ending Sunday morning.

Waves

Issued 06:30 PM EDT 19 July 2025
Tonight and Sunday. Waves 0.5 to 1 metre.

Extended Forecast

Issued 06:30 PM EDT 19 July 2025
Monday Wind light.
Tuesday Wind light.
Wednesday Wind southeast 15 knots veering to south 20.

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Weather Conditions

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Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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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 16 May 2025 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 19 July 2025 Tonight and Sunday At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over Lower Michigan.
By 6:30 p.m. EDT Sunday departing trough located over the East
Coast of the U.S.

At 6:30 p.m. EDT tonight high 1017 mb located over Lake Winnipeg.
By 6:30 p.m. EDT Sunday building high 1019 mb located over Lake
Superior.

Great Lakes - Lake Huron Area

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