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Trois-Rivières to Donnacona

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 May 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 10 to 20 knots increasing to southwest 20 to 30 this morning then diminishing to southwest 15 to 20 this evening. Wind veering to west 15 to 25 Sunday morning then becoming northwest 15 Sunday afternoon. Wind diminishing to light Sunday evening.

Scattered showers tonight. Fog patches dissipating early this morning.

Extended Forecast

Issued 06:00 AM EDT 16 May 2026
Monday Wind light.
Tuesday Wind southwest 15 to 25 knots.
Wednesday Wind southwest 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Trois-Rivières to Donnacona

Issued 03:00 AM EDT 16 May 2026

'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 PM EDT 16 May 2026 Tonight and Sunday At 3:00 p.m. EDT today cold front located over northern Ontario.
By 8:00 p.m. EDT Sunday cold front located over Newfoundland.

At 2:00 a.m. EDT Sunday high 1022 mb located over northern Manitoba.
By 8:00 p.m. EDT Sunday high 1025 mb located from James Bay to
Québec city.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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