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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 07 November 2025

Today Tonight and Saturday.

Strong wind warning in effect.

Wind southwest 25 knots veering to west 25 early this evening then to northwest 30 late this evening. Wind diminishing to northwest 20 late overnight and to northwest 10 early Saturday morning. Wind veering to north 10 Saturday afternoon then increasing to northeast 15 Saturday evening.

Scattered showers.

Waves

Issued 10:30 AM EST 07 November 2025
Today Tonight and Saturday. Waves 2 to 3 metres subsiding to 1 to 1.5 early Saturday morning and to 0.5 or less near noon Saturday.

Extended Forecast

Issued 03:00 AM EST 07 November 2025
Sunday Wind northeast 15 knots increasing to northeast 25 in the morning.
Monday Wind north 20 knots.
Tuesday Wind northwest 20 knots backing to southwest 20.

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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 10:30 AM EST 07 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 10:30 AM EST 7 November 2025 Today Tonight and Saturday At 10:30 a.m. EST today low 992 mb located near Whitefish Bay.
By 10:30 a.m. EST Saturday low 998 mb located over the Gulf of
St. Lawrence.

By 10:30 a.m. EST Saturday ridge located on a line
northwest-southeast over Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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