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Donnacona to Beauport

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 August 2019

Today Tonight and Thursday.

Strong wind warning in effect.

Wind light with gusts to 30 knots near thunderstorms late this afternoon and this evening. Wind becoming southwest 10 to 15 near midnight then increasing to west 15 to 25 Thursday morning. Wind diminishing to west 10 to 15 Thursday afternoon.

Showers beginning late this morning and ending Thursday morning. Risk of thunderstorms today and this evening. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 AM EDT 21 August 2019
Friday Wind northwest 10 to 20 knots.
Saturday Wind light.
Sunday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas 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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Donnacona to Beauport

Issued 03:00 AM EDT 21 August 2019

'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 5:41 AM EDT 21 August 2019 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line north-south over
Sept-Îles.
By 11:00 p.m. EDT tonight departing ridge located on a line
north-south over Newfoundland.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Huron.
By 8:00 p.m. EDT Thursday trough located on a line
northeast-southwest over New Brunswick.

St. Lawrence - St. Lawrence River Area

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