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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 April 2026

Today Tonight and Thursday.

Wind east 20 to 30 knots diminishing to east 15 to 20 early this afternoon and to light early this evening. Wind becoming east 15 Thursday morning.

Periods of drizzle beginning this morning with a risk of freezing drizzle changing to showers near noon Thursday. Fog banks forming this evening. Visibility as low as 1 mile in drizzle and 1 mile or less in fog banks.

Temperatures near zero.

Waves

Issued 03:00 AM EDT 15 April 2026
Today Tonight and Thursday. Seas 2 metres subsiding to 1 or less late this evening.

Extended Forecast

Issued 06:00 AM EDT 15 April 2026
Friday Wind light increasing to northwesterly 20 to 30 knots in the afternoon.
Saturday Wind light increasing to southeasterly 20 to 30 knots.
Sunday Wind southeasterly 20 to 30 knots diminishing to southerly 15.

Ice Forecast

Issued 10:00 AM EDT 14 April 2026 Today Tonight and Wednesday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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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 14 April 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Cape Breton Island near 4607N 5949W to 4631N
5919W to 4844N 6156W to 4919N 6025W to Newfoundland near 4753N
5924W. Sea ice west then northeast of the ice edge.

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 15 April 2026 Today Tonight and Thursday At 3:00 a.m. EDT today departing high 1025 mb located over Labrador.

At 3:00 a.m. EDT today ridge from 1025 mb high located from Labrador
to Lake Saint-Jean.
By midnight EDT tonight departing ridge located on a line east-west
over the Quebec Lower North Shore.

At 8:00 p.m. EDT tonight building low 1004 mb located over the
Midwestern states.
By 8:00 p.m. EDT Thursday low 1004 mb located over eastern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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