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Beauport to L'Isle-aux-Coudres

Forecast

Marine Forecast

Issued 10:53 AM EDT 21 May 2022

Today Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 15 to 25 knots with gusts to 35 near thunderstorms late this afternoon and this evening. Wind becoming northeast 10 to 15 late this evening then increasing to southwest 15 to 25 near noon Sunday. Wind becoming northeast 15 Sunday evening.

Showers this afternoon tonight and Sunday. Risk of thunderstorms late this afternoon and this evening. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 AM EDT 21 May 2022
Monday Wind light.
Tuesday Wind northeast 10 to 15 knots.
Wednesday Wind south 10 to 15 knots.

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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 Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac 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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Beauport to L'Isle-aux-Coudres

Issued 10:53 AM EDT 21 May 2022

'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.

Watches (In effect)

Tornado watch in effect

Beauport to L'Isle-aux-Coudres

Issued 11:09 AM EDT 21 May 2022 Conditions are favourable for the development of severe thunderstorms that could produce tornadoes this afternoon. Strong winds, large hail and heavy rainfall are also possible.

Tornado watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce tornadoes.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Squall watch in effect

Beauport to L'Isle-aux-Coudres

Issued 10:53 AM EDT 21 May 2022 Conditions are favourable for the development of squalls with wind gusts up to 35 knots this afternoon and early this evening.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 21 May 2022 Today Tonight and Sunday At 3:00 a.m. EDT today 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 tonight trough located from Labrador to Cape Cod.

At 8:00 p.m. EDT tonight deepening low located near the Great Lakes.

St. Lawrence - St. Lawrence River Area

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