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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 10 August 2020

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind light increasing to southwest 10 to 15 knots near noon and to southwest 15 to 25 near noon Tuesday.

Showers this evening. Showers Tuesday evening with a risk of thunderstorms. Fog dissipating early this morning. Visibility 1 mile or less in fog and as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 09 August 2020
Tuesday Wind southwest 10 to 20 knots.
Wednesday Wind light.
Thursday Wind light.

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Map of Great Lakes - Lake Huron marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 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 Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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Warnings

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 03:00 AM EDT 10 August 2020

'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 3:00 AM EDT 10 August 2020 Today Tonight and Tuesday At 3:00 a.m. EDT today high located over southern Quebec.
By 8:00 p.m. EDT Tuesday high located east of Newfoundland.

At 3:00 a.m. EDT today trough located on a line north-south over
northwestern Ontario.
By 8:00 p.m. EDT Tuesday trough located on a line
northeast-southwest over Québec city.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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