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Trois-Rivières to Donnacona

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 04 August 2020

Tonight and Wednesday.

Strong wind warning in effect.

Wind easterly 15 to 20 knots increasing to northeast 20 to 30 near midnight then diminishing to light early Wednesday morning. Wind increasing to southwest 15 to 25 late Wednesday morning.

Rain changing to showers Wednesday morning. Visibility as low as 1 mile in precipitation.

Extended Forecast

Issued 06:00 PM EDT 04 August 2020
Thursday Wind southwest 15 to 25 knots diminishing to light late in the day.
Friday Wind light.
Saturday Wind light becoming southwest 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

Trois-Rivières to Donnacona

Issued 01:11 AM EDT 05 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 PM EDT 4 August 2020 Tonight and Wednesday At 3:00 p.m. EDT today ridge located on a line northwest-southeast
over Rimouski.
By 3:00 a.m. EDT Wednesday departing ridge located on a line
northwest-southeast over the Quebec Lower North Shore.

At 3:00 p.m. EDT today Tropical Storm Isaias 994 mb located over
the East Coast of the U.S.
By 8:00 p.m. EDT Wednesday Post-tropical Storm Isaias 1000 mb
located west of Labrador.

At 8:00 p.m. EDT Wednesday approaching ridge located on a line
northwest-southeast over the Great Lakes.

St. Lawrence - St. Lawrence River Area

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