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Northumberland Strait - western half

Forecast

Marine Forecast

Issued 10:00 AM ADT 17 April 2026

Today Tonight and Saturday.

Wind northwest 10 to 15 knots diminishing to light this afternoon then becoming northeast 15 near midnight. Wind veering to easterly 10 to 15 near noon Saturday then increasing to southeast 15 to 20 Saturday evening.

Showers this morning. Fog patches dissipating overnight.

Temperatures near plus 2.

Extended Forecast

Issued 03:00 AM ADT 17 April 2026
Sunday Wind southerly 20 knots.
Monday Wind northwest 20 knots diminishing to variable 10 to 15.
Tuesday Wind north 15 to 20 knots diminishing to variable 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 17 April 2026 Today Tonight and Saturday Open water except 1 tenth first-year ice near parts of the Prince Edward Island coast. Consolidated rotten first-year ice along parts of the Prince Edward Island coast. 

[ 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 17 April 2026 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Cape Breton Island near 4621N 6025W to
4655N 6008W to 4742N 6124W to Gaspe Peninsula near 4846N 6410W. Sea
ice southwest of the ice edge.

Second ice edge estimated from Quebec near 4845N 6751W to 5005N
6507W to 4957N 6018W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water except 1 tenth first-year ice near parts of the Prince
Edward Island coast. Consolidated rotten first-year ice along parts
of the Prince Edward Island coast.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 17 April 2026 Today Tonight and Saturday At 10:00 a.m. ADT today trough located over the Marine District.
By 8:00 p.m. ADT tonight trough located east of Newfoundland.

At 8:00 p.m. ADT tonight quasi-stationary low 1012 mb located
southwest of Georges Bank.

At 8:00 p.m. ADT tonight ridge located over Quebec.
By 8:00 p.m. ADT Saturday ridge located east of the Avalon
Peninsula.

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