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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 05 October 2026

Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 20 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.

Waves

Issued 06:30 PM EDT 05 October 2026
Tonight and Tuesday. Waves 1.5 metres subsiding to 1 near midnight and to 0.5 or less early Tuesday morning. Waves building to 1 Tuesday afternoon and to 1.5 Tuesday evening.

Extended Forecast

Issued 06:30 PM EDT 05 October 2026
Wednesday Wind southwest 25 knots veering to northwest 20 in the afternoon.
Thursday Wind northwest 20 knots.
Friday Wind west 15 knots veering to northwest 20.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Hamilton Munro Int'l Airport CFB Trenton Erieau Toronto City Centre Airport Point Pelee Peterborough Municipal Airport Burlington Lift Bridge Point Petre Cobourg Oshawa Executive Airport South Lake Huron - 45149 Port Colborne Brockville 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 Windsor Airport Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Welland-Pelham Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Sarnia Chris Hadfield Airport Vineland Station Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Tobermory
Legend:
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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 00:16 AM EDT 06 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 3:00 AM EDT 6 October 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
northeastern Ontario.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over eastern New York State.

At 3:00 a.m. EDT today low 997 mb located over the southeastern
Northwest Territories.
By 3:00 a.m. EDT Wednesday low 996 mb located south of Hudson Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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