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Forecast

Marine Forecast

Issued 10:00 AM ADT 08 March 2026

Today Tonight and Monday.

Wind southwest 25 knots veering to westerly 20 this evening then backing to southwest 15 early Monday morning. Wind increasing to southwest 25 Monday evening.

Showers ending this evening. Risk of thunderstorms late this morning. Fog patches.

Waves

Issued 05:00 AM ADT 08 March 2026
Today Tonight and Monday. Seas 2 to 3 metres subsiding to 1 to 2 Monday morning.

Extended Forecast

Issued 03:00 AM ADT 08 March 2026
Tuesday Wind southwest 15 to 20 knots diminishing to light in the afternoon then increasing to southwest 15 to 20 late in the day.
Wednesday Wind southwesterly 15 knots.
Thursday Wind southwest 35 knots.

Ice Forecast

Issued 10:00 AM EDT 8 March 2026 Today Tonight and Monday Open water. 

[ Canadian Ice Service ]

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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

Ice Forecasts

Issued 10:00 AM EDT 8 March 2026 Today Tonight and Monday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 8 March 2026 Today Tonight and Monday At 10:00 a.m. ADT today trough located on a line northeast-southwest
over Anticosti Island.
By 8:00 p.m. ADT tonight departing trough located over Newfoundland.

At 8:00 p.m. ADT tonight trough located over Ontario.
By 8:00 p.m. ADT Monday approaching trough located over Quebec.

Marine Weather Statement

Issued 9:47 AM ADT 8 March 2026 A trough of low pressure over Anticosti Island will track eastward
today reaching Newfoundland by this evening and the Labrador Sea on
Monday. Strong to gale force southwesterly winds ahead of the trough
will diminish in its wake.

Marine interests are advised that a gale warning is in effect for
Banquereau - northern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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