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Saguenay to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 18 April 2026

Today Tonight and Sunday.

Gale warning in effect.

Wind east 10 to 20 knots increasing to east 20 to 30 late this morning then diminishing to east 10 to 20 overnight. Wind increasing to west 25 to 35 Sunday morning then diminishing to west 15 to 25 Sunday evening.

Rain beginning near midnight changing to snow Sunday afternoon. Visibility 1 mile or less in snow.

Temperatures minus 2 rising to plus 10 this afternoon then falling to zero Sunday afternoon.

Extended Forecast

Issued 06:00 AM EDT 18 April 2026
Monday Wind west 15 to 25 knots becoming west 15 late in the day.
Tuesday Wind light becoming east 10 to 15 knots late in the day.
Wednesday Wind east 10 to 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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Saguenay to Tadoussac

Issued 03:00 AM EDT 18 April 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 18 April 2026 Today Tonight and Sunday At 3:00 a.m. EDT today high 1027 mb located over eastern Quebec.
By 8:00 p.m. EDT tonight departing high 1034 mb located off
Newfoundland.

At 3:00 a.m. EDT today deepening trough located on a line
north-south over the Great Lakes.
By 8:00 p.m. EDT tonight trough located on a line north-south over
the Gaspe Peninsula.

At 8:00 p.m. EDT Sunday approaching high 1026 mb located over
northwestern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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