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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 05 October 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 25 knots diminishing to north 15 this evening and to light late overnight. Wind becoming southwest 10 Tuesday morning then increasing to southwest 15 near noon Tuesday. Wind increasing to southwest 25 Tuesday evening.

Risk of waterspouts today.

Waves

Issued 10:30 AM EDT 05 October 2026
Today Tonight and Tuesday. Waves 2 to 3 metres subsiding to 1.5 early this evening and to 1 near midnight. Waves subsiding to 0.5 or less early Tuesday morning then building to 1 Tuesday afternoon and to 1.5 Tuesday evening.

Extended Forecast

Issued 03:00 AM EDT 05 October 2026
Wednesday Wind southwest 25 knots veering to northwest 20 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 Huron marine weather areas Erieau CFB Trenton Muskoka Airport Parry Sound Harbour Toronto City Centre Airport Lake Simcoe Regional Airport Wiarton Airport Point Petre Lagoon City Western Islands Cobourg Port Colborne Windsor Airport Point Pelee Welland-Pelham Vineland Station Burlington Lift Bridge Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Harrow AAFC Hamilton Munro Int'l Airport Tobermory Sarnia Chris Hadfield Airport Oshawa Executive Airport Collingwood Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Peterborough Municipal Airport Brockville Grenadier Island Kingston Airport
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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 17 May 2026 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 10:30 AM EDT 05 October 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 5 October 2026 Today Tonight and Tuesday At 10:30 a.m. EDT today low 996 mb located east of James Bay.
By 10:30 a.m. EDT Tuesday departing low 980 mb located over
Labrador.

At 10:30 a.m. EDT today ridge located on a line north-south over
Wisconsin.
By 10:30 a.m. EDT Tuesday ridge located on a line north-south over
western Pennsylvania.

At 10:30 a.m. EDT today trough located on a line north-south
over Saskatchewan.
By 10:30 a.m. EDT Tuesday trough located on a line north-south
over Lake of the Woods.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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