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Cornwall to Montréal

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Forecast

Marine Forecast

Issued 03:00 AM EDT 20 June 2021

Today Tonight and Monday.

Strong wind warning in effect.

Wind light increasing to southwest 10 to 20 knots this morning then becoming light this evening. Wind increasing to southwest 15 to 25 Monday morning.

Showers Monday with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 AM EDT 20 June 2021
Tuesday Wind southwest 10 to 15 knots becoming light in the morning then becoming northerly 15 in the afternoon.
Wednesday Wind westerly 10 to 15 knots.
Thursday Wind light becoming south 15 knots.

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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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Warnings

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 03:00 AM EDT 20 June 2021

'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 20 June 2021 Today Tonight and Monday At 3:00 a.m. EDT today low 999 mb located east of Anticosti Island.
By 2:00 p.m. EDT today dissipating low 1002 mb located over
Anticosti Island.

At 5:00 a.m. EDT today ridge located on a line north-south over
Lake Ontario.
By 8:00 p.m. EDT Monday ridge located on a line north-south over
the Strait of Belle Isle.

At 5:00 p.m. EDT today trough located on a line northeast-southwest
over northern Ontario.
By 8:00 p.m. EDT Monday trough located on a line north-south
over Montréal.

St. Lawrence - St. Lawrence River Area

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