Montréal to Trois-Rivières


Marine Forecast

Issued 10:30 AM EDT 25 July 2016

Today Tonight and Tuesday

Squall watch in effect.

Wind light increasing to easterly 10 to 15 knots near noon then becoming southwest 10 to 20 late this afternoon with gusts to 45 near thunderstorms. Wind diminishing to light near midnight then becoming west 15 after midnight. Wind diminishing to light Tuesday evening.

A few showers ending near noon. A few showers and thunderstorms late this afternoon and this evening. Visibility as low as 1 mile in precipitation.

Extended Forecast

Issued 06:00 AM EDT 25 July 2016
Wednesday Wind west 10 to 15 knots.
Thursday Wind light.
Friday 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 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 Varennes 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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Watches (In effect)

Squall watch in effect

Montréal to Trois-Rivières

Issued 10:18 AM EDT 25 July 2016 Conditions are favourable for the development of squalls with wind gusts up to 45 knots and frequent lightning.

These strong storms may track across these areas between 2:00 PM and 10:00 PM.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

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


Technical Marine Synopsis

Issued 3:00 AM EDT 25 July 2016 Today Tonight and Tuesday At 3:00 a.m. EDT today ridge located on a line north-south over
By 8:00 p.m. EDT tonight departing ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 a.m. EDT today low 1000 mb located over northern Ontario.
By 8:00 p.m. EDT Tuesday low 1000 mb located over northern
James Bay.

At 3:00 a.m. EDT today trough located from the low to Lake Erie.
By 8:00 p.m. EDT Tuesday trough located from the low to Matane.

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