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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 17 July 2026

Tonight and Saturday.

Strong wind warning in effect.

Wind west 15 to 25 knots becoming west 15 late this evening then increasing to southwest 15 to 25 early Saturday morning. Wind becoming southwest 15 near noon Saturday then becoming easterly 15 Saturday evening.

Scattered showers ending near midnight. Showers Saturday late in the day. Visibility as low as 1 mile in showers.

Waves

Issued 03:00 PM EDT 17 July 2026
Tonight and Saturday. Seas 1 to 2 metres subsiding to 1 after midnight.

Extended Forecast

Issued 06:00 PM EDT 17 July 2026
Sunday Wind easterly 15 to 25 knots becoming easterly 20 to 30 in the morning.
Monday Wind westerly 25 to 35 knots diminishing to southwest 15 to 25 late in the day.
Tuesday Wind southwest 15 to 25 knots diminishing to 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 - Quai de St-Jean 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

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 3:00 PM EDT 17 July 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 17 July 2026 Tonight and Saturday At 3:00 p.m. EDT today departing low 995 mb located off Labrador.

At 3:00 p.m. EDT today ridge located on a line north-south over
Lake Ontario.
By 8:00 p.m. EDT Saturday ridge located on a line
northwest-southeast over Natashquan.

At 8:00 p.m. EDT tonight intensifying low 1007 mb located Lake
Superior.
By 8:00 p.m. EDT Saturday low 993 mb located over northern Montréal.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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