Montréal to Trois-Rivières


Marine Forecast

Issued 06:06 PM EDT 31 July 2015

Tonight and Saturday

Strong wind warning in effect. Squall watch in effect.

Wind southwest 15 to 25 knots with gusts to 35 near thunderstorms. Wind diminishing to light this evening then becoming southwest 10 to 15 Saturday afternoon with gusts to 30 near thunderstorms.

Chance of showers this evening with a risk of thunderstorms. A few showers beginning Saturday afternoon with a risk of thunderstorms.

Extended Forecast

Issued 06:00 PM EDT 31 July 2015
Sunday Wind southwest 15 knots.
Monday Wind southerly 15 knots.
Tuesday Wind southwest 15 knots.

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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 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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Warnings (In effect)

Strong wind warning in effect

Montréal to Trois-Rivières

Issued 6:06 PM EDT 31 July 2015

'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)

Squall watch in effect

Montréal to Trois-Rivières

Issued 7:05 PM EDT 31 July 2015

Thunderstorms west of Montréal will track across the St Lawrence
River between Montréal and lake Saint Pierre this evening. It will
Cause gusts to 35 knots or more and small hail. Boaters are
Especially vulnerable and should seek the safety of shore in case of

In effect from 06:00 PM to 09:00 PM.

Attention marine interests. Please listen for updates of this warning
For the latest information.


Technical Marine Synopsis

Issued 3:00 PM EDT 31 July 2015 Tonight and Saturday At 3:00 p.m. EDT today trough located on a line northwest-southeast
over Rimouski.
By 8:00 p.m. EDT Saturday trough located on a line
northwest-southeast over the Strait of Belle Isle.

At 2:00 p.m. EDT Saturday building low 999 mb located northwest
of Sept-Îles.
By 8:00 p.m. EDT Saturday low 999 mb located north of Sept-Îles.

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