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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 10 November 2025

Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 25 knots backing to west 20 Tuesday morning then to southwest 25 Tuesday afternoon.

Flurries or scattered showers. Visibility 1 mile or less in flurries.

Waves

Issued 06:30 PM EST 10 November 2025
Tonight and Tuesday. Waves 2 metres subsiding to 1.5 near noon Tuesday then building to 2 Tuesday evening.

Extended Forecast

Issued 06:30 PM EST 10 November 2025
Wednesday Wind southwest 25 knots veering to northwest 25 in the afternoon.
Thursday Wind northwest 25 knots.
Friday Wind northwest 15 knots diminishing to light.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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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 EST 10 November 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 6:30 PM EST 10 November 2025 Tonight and Tuesday At 6:30 p.m. EST tonight low 998 mb located over the Eastern
Seaboard.
By 6:30 p.m. EST Tuesday low 982 mb located over northeastern
Quebec.

At 6:30 p.m. EST tonight ridge located on a line north-south over
Lake Superior.
By 6:30 p.m. EST Tuesday ridge located on a line north-south over
southern Ontario.

At 6:30 p.m. EST tonight trough located on a line north-south over
western Manitoba.
By 6:30 p.m. EST Tuesday trough located on a line north-south over
northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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