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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EDT 23 April 2024

Today Tonight and Wednesday.

Wind light increasing to southwest 20 knots this morning then diminishing to southwest 10 to 15 near midnight. Wind increasing to north 25 Wednesday morning then diminishing to north 15 Wednesday afternoon.

Periods of rain beginning near midnight changing to flurries Wednesday morning and ending Wednesday afternoon. Visibility as low as 1 mile in flurries.

Extended Forecast

Issued 06:00 AM EDT 23 April 2024
Thursday Wind light.
Friday Wind light.
Saturday Wind light.

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Weather Conditions

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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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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 23 April 2024 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
Sept-Îles.
By 8:00 p.m. EDT tonight departing ridge located on a line
northwest-southeast over Labrador Sea.

At 3:00 a.m. EDT today trough located on a line east-west over
northern Ontario.
By 8:00 p.m. EDT Wednesday trough located on a line
northeast-southwest over the Gaspe Peninsula.

At 8:00 p.m. EDT tonight high 1030 mb located over northwestern
Ontario.
By 8:00 p.m. EDT Wednesday high 1031 mb located over western Quebec.

Great Lakes - Lake Erie and Lake Ontario Area

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