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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 15 November 2025

Today Tonight and Sunday.

Gale warning in effect.

Wind southeast 20 knots veering to south 25 early this morning then to west 25 this afternoon. Wind increasing to northwest 35 this evening then diminishing to northwest 30 Sunday evening.

Scattered showers beginning this morning becoming scattered flurries or scattered showers Sunday afternoon.

Waves

Issued 03:00 AM EST 15 November 2025
Today Tonight and Sunday. Waves 0.5 to 1 metre building to 1.5 this morning and to 2 early this evening. Waves building to 3 to 4 near midnight.

Extended Forecast

Issued 03:00 AM EST 15 November 2025
Monday Wind northwest 25 knots diminishing to northwest 15 late in the day.
Tuesday Wind northwest 15 knots diminishing to light.
Wednesday Wind light becoming south 15 knots.

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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
Legend:
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

Warnings (In effect)

Gale warning in effect

Southern Lake Huron

Issued 03:00 AM EST 15 November 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 EST 15 November 2025 Today Tonight and Sunday At 3:00 a.m. EST today dissipating ridge located on a line
north-south over Ottawa.

At 3:00 a.m. EST today trough from low located on a line north-south
over Lake Nipigon.
By 3:00 a.m. EST Sunday low 983 mb located over the St. Lawrence
River.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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