Donnacona to Beauport

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 August 2017

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southwest 15 to 25 late this morning then diminishing to light early this evening. Wind increasing to easterly 10 to 20 near noon Tuesday.

Chance of showers this evening and Tuesday late in the day with risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 20 August 2017
Tuesday Wind southerly 15 to 25 knots.
Wednesday Wind southwest 15 to 25 knots.
Thursday Wind westerly 10 to 15 knots.

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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 L'Assomption Trois-Rivières Airport Saint-Hubert Airport Baie-Comeau Airport Cap-Rouge Pointe de l'Islet Sept-Îles Airport Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier 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 Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape Île d'Orléans Île aux-Grues Lac Saint-Pierre Lac Memphremagog Sainte-Anne-de-Bellevue Saint-Anicet Île Rouge Pointe Claveau Pointe-des-Monts Pointe-Noire Île Bicquette Cap-Chat Montréal-Trudeau Int'l Airport
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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 2017

'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 21 August 2017 Today Tonight and Tuesday At 3:00 a.m. EDT today quasi-stationary trough located on a line
east-west over northern Quebec.

At 3:00 a.m. EDT today quasi-stationary high located off Cape
Hatteras.

At 5:00 a.m. EDT Tuesday intensifying low 1003 mb located north
of Lake Michigan.
By 8:00 p.m. EDT Tuesday low 986 mb located northwest of Saguenay
River.

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