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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 11 July 2025

Tonight and Saturday.

Strong wind warning in effect.

Wind southeast 10 knots increasing to south 15 early Saturday morning and to south 20 near noon Saturday. Wind diminishing to southwest 15 Saturday evening.

Scattered showers ending Saturday morning with a risk of thunderstorms. Scattered showers Saturday late in the day with a risk of thunderstorms. Fog patches forming near midnight.

Waves

Issued 06:30 PM EDT 11 July 2025
Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 Saturday morning and to 1.5 Saturday afternoon. Waves subsiding to 0.5 to 1 Saturday evening.

Extended Forecast

Issued 06:30 PM EDT 11 July 2025
Sunday Wind southwest 15 knots diminishing to light in the morning.
Monday Wind light becoming southeast 15 knots.
Tuesday Wind light.

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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

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 6:30 PM EDT 11 July 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 12 July 2025 Today Tonight and Sunday At 3:00 a.m. EDT today trough located on a line north-south over
western Lake Superior.
By 3:00 a.m. EDT Sunday trough located on a line north-south over
southern Ontario.

At 3:00 a.m. EDT today high 1022 mb located over eastern Wyoming.
By 3:00 a.m. EDT Sunday high 1018 mb located over Indiana.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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