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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 September 2026

Today Tonight and Thursday.

Wind southwest 10 to 15 knots becoming light early this evening. Wind light Thursday.

Scattered showers ending this morning. Scattered showers this afternoon and this evening.

Extended Forecast

Issued 06:00 AM EDT 16 September 2026
Friday Wind light becoming northwest 15 knots in the morning.
Saturday Wind light.
Sunday Wind 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

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 16 September 2026 Today Tonight and Thursday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Huron.
By 8:00 a.m. EDT Thursday dissipating trough located on a line
northeast-southwest over Newfoundland.

At 3:00 a.m. EDT today high 1027 mb located over Manitoba.
By 8:00 p.m. EDT Thursday high 1020 mb located over the Gulf of
St. Lawrence.

At 8:00 p.m. EDT Thursday approaching trough located over James Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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