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Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 20 April 2021

Today Tonight and Wednesday.

Wind light increasing to northeast 10 to 15 knots early this morning and to southwest 15 to 25 late this afternoon. Wind diminishing to southwest 10 to 15 Wednesday morning then becoming light Wednesday evening.

Showers this afternoon.

Waves

Issued 03:00 AM EDT 20 April 2021
Today Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 20 April 2021
Thursday Wind northeast 25 to 35 knots becoming west 25 late in the day.
Friday Wind west 25 knots diminishing to west 15.
Saturday Wind west 15 knots.

Ice Forecast

Issued 10:00 AM EDT 19 April 2021 Today Tonight and Tuesday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas West Bay of Fundy - 44490 Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport Île aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 April 2021 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Quebec near 5017N 5953W to 5052N 5816W to
Newfoundland near 5042N 5725W. Sea ice north of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 20 April 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
the Gaspe Peninsula.
By 8:00 p.m. EDT tonight dissipating ridge located on a line
north-south over the Gulf of St. Lawrence.

At 3:00 a.m. EDT today trough located on a line north-south over
Cornwall.
By 8:00 a.m. EDT Wednesday trough located on a line
northwest-southeast over Anticosti Island.

At 11:00 a.m. EDT Wednesday approaching low 1004 mb located over
New England.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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