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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EDT 15 October 2021

Tonight and Saturday.

Gale warning in effect.

Wind light increasing to southeast 10 to 20 knots early Saturday morning and to southwest 25 to 35 Saturday afternoon.

Showers this afternoon. Rain overnight and Saturday. Risk of thunderstorms Saturday morning and afternoon. Fog patches forming this evening and dissipating Saturday morning.

Extended Forecast

Issued 06:00 PM EDT 15 October 2021
Sunday Wind west 15 knots.
Monday Wind west 10 to 15 knots.
Tuesday Wind west 10 to 15 knots diminishing to light.

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Map of Great Lakes - Lake Erie and Lake Ontario 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)

Gale warning in effect

Cornwall to Montréal

Issued 3:00 PM EDT 15 October 2021

'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 PM EDT 15 October 2021 Tonight and Saturday At 3:00 p.m. EDT today ridge located on a line north-south over
New Brunswick.
By 8:00 p.m. EDT Saturday ridge located on a line north-south over
Cape Breton Island.

At 8:00 p.m. EDT tonight deepening low 1002 mb located near
Lake Erie.
By 8:00 p.m. EDT Saturday low 990 mb located west of Lake
Saint-Jean.

Great Lakes - Lake Erie and Lake Ontario Area

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