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Saguenay to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 09:17 AM EDT 17 March 2026

Today Tonight and Wednesday.

Storm warning in effect.

Wind west 30 to 40 knots increasing to west 40 to 50 early this evening then diminishing to west 25 to 35 near midnight. Wind diminishing to west 15 to 25 early Wednesday morning and to west 10 to 15 near noon Wednesday. Wind diminishing to light Wednesday evening.

Showers changing to flurries near noon and ending near midnight. Visibility 1 mile or less in flurries.

High today plus 8. Low tonight minus 20. High Wednesday minus 12.

Extended Forecast

Issued 06:00 AM EDT 17 March 2026
Thursday Wind east 10 to 20 knots diminishing to light in the afternoon.
Friday Wind west 10 to 15 knots increasing to west 30 to 40 late in the day.
Saturday Wind light.

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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)

Storm warning in effect

Saguenay to Tadoussac

Issued 09:17 AM EDT 17 March 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 17 March 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today intensifying low 978 mb located over western
Lake Saint-Jean.
By 8:00 a.m. EDT Wednesday departing low 946 mb located over
eastern Ungava Bay.

At 3:00 a.m. EDT today ridge located on a line north-south over
western Lake Superior.
By 8:00 p.m. EDT Wednesday ridge located on a line
northwest-southeast over Rimouski.

At 5:00 a.m. EDT Wednesday low located over western Manitoba.
By 8:00 p.m. EDT Wednesday low located over northern Lake Superior.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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