Beauport to L'Isle-aux-Coudres


Marine Forecast

Issued 03:00 AM EST 12 December 2017

Today Tonight and Wednesday.

Storm warning in effect.

Wind northeast 10 to 15 knots increasing to northeast 20 to 30 early this morning and to northeast 30 to 40 late this morning. Wind increasing to northeast 40 to 50 late this afternoon then diminishing to northeast 30 to 40 near midnight. Wind diminishing to north 20 to 30 overnight and to light Wednesday morning. Wind increasing to westerly 30 to 40 Wednesday afternoon.

Snow beginning early this morning changing to snow at times heavy this morning then to flurries Wednesday evening. Visibility 1 mile or less in precipitation.

High today minus 7. Temperatures rising to minus 1 Wednesday morning. High Wednesday zero. Temperatures falling to minus 9 Wednesday evening.

Extended Forecast

Issued 06:00 PM EST 11 December 2017
Wednesday Wind northeast 20 to 30 knots becoming westerly 25 to 35 in the afternoon.
Thursday Wind westerly 30 to 40 knots diminishing to westerly 15 to 25 late in the day.
Friday Wind westerly 15 to 25 knots diminishing to westerly 10 to 15.

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Weather Conditions

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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 Roméo LeBlanc 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 (In effect)

Storm warning in effect

Beauport to L'Isle-aux-Coudres

Issued 03:00 AM EST 12 December 2017

'Storm' force winds of 48 to 63 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.


Technical Marine Synopsis

Issued 3:00 AM EST 12 December 2017 Today Tonight and Wednesday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over the Gaspe Peninsula.
By 7:00 a.m. EST Wednesday departing ridge located on a line
east-west over Labrador.

At 3:00 a.m. EST today intensifying low 1000 mb located over
Lake Huron.
By 7:00 p.m. EST Wednesday intensifying low 969 mb located over

St. Lawrence - St. Lawrence River Area

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