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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 01 July 2025

Tonight and Wednesday.

Wind light becoming southwest 10 knots near midnight then veering to west 10 Wednesday evening.

Scattered showers Wednesday late in the day with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 01 July 2025
Tonight and Wednesday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EDT 01 July 2025
Thursday Wind northwest 15 to 20 knots becoming northwest 15 in the morning.
Friday Wind light.
Saturday Wind light becoming south 15 knots.

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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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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 1 July 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight departing cold front located on a line
northeast-southwest over Lake Ontario.

At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over Minnesota.
By 6:30 p.m. EDT Wednesday ridge located on a line
northwest-southeast over Lake of the Woods.

At 6:30 p.m. EDT tonight trough located on a line north-south over
James Bay.
By 6:30 p.m. EDT Wednesday trough located on a line
northeast-southwest over Quebec.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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