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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 18 July 2026

Today Tonight and Sunday.

Gale warning in effect.

Wind west 15 knots increasing to southwest 15 to 25 early this morning then becoming southwest 15 early this afternoon. Wind becoming easterly 15 this evening then increasing to east 20 to 30 after midnight. Wind becoming northwest 20 to 30 near noon Sunday then becoming northwest 25 to 35 Sunday evening.

Showers beginning this afternoon changing to rain near midnight. Risk of thunderstorms Sunday. Fog banks forming near midnight and dissipating Sunday afternoon. Visibility as low as 1 mile in precipitation and 1 mile or less in fog banks.

Waves

Issued 03:00 AM EDT 18 July 2026
Today Tonight and Sunday. Seas 1 metre building to 1 to 2 overnight.

Extended Forecast

Issued 06:00 AM EDT 18 July 2026
Monday Wind westerly 25 to 35 knots diminishing to westerly 15 to 25 late in the day.
Tuesday Wind westerly 15 to 25 knots diminishing to light.
Wednesday Wind southeasterly 15 to 25 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 - 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)

Gale warning in effect

Pointe-des-Monts to Anticosti - northern half

Issued 03:00 AM EDT 18 July 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 18 July 2026 Today Tonight and Sunday At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Trois-Rivières.
By 8:00 a.m. EDT Sunday dissipating ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 a.m. EDT today intensifying low 1005 mb located over
northern Lake Michigan.
By 8:00 p.m. EDT Sunday low 987 mb located over western Anticosti
Island.

At 8:00 p.m. EDT tonight ridge located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT Sunday ridge located on a line north-south over
Lake Huron.

St. Lawrence - St. Lawrence River Area

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