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Northumberland Strait

Forecast

Marine Forecast

Issued 03:30 PM ADT 02 April 2025

Tonight and Thursday.

Wind northwest 20 knots diminishing to light this evening then increasing to southeast 20 Thursday afternoon.

Snow Thursday changing to showers and fog banks. Visibility 1 mile or less in snow and in fog banks.

Temperatures near minus 2.

Extended Forecast

Issued 03:30 PM ADT 02 April 2025
Friday Wind light increasing to northwest 15 to 20 knots in the afternoon.
Saturday Wind north 15 knots diminishing to light.
Sunday Wind south 25 knots diminishing to light late in the day.

Ice Forecast

Issued 10:00 AM EDT 2 April 2025 Today Tonight and Thursday 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 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 2 April 2025 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Cape Breton near 4620N 6017W to 4656N
6003W to 4753N 6116W to 4754N 6327W to Anticosti Island near 4923N
6335W. Sea ice south and west of the ice edge.

Second ice edge estimated from Anticosti Island near 4948N 6315W to
4948N 5942W to 5031N 5752W to Newfoundland near 4847N 5846W. Sea ice
north and east of the ice edge.

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 2 April 2025 Tonight and Thursday At 3:30 p.m. ADT today departing cold front located southeast of
the Grand Banks.

At 3:30 p.m. ADT today ridge located over Quebec.
By 3:30 p.m. ADT Thursday ridge located on a line
northwest-southeast over the eastern Marine District.

At 3:30 p.m. ADT Thursday approaching warm front located over Maine.

Marine Weather Statement

Issued 3:14 PM ADT 2 April 2025 A cold front east of the marine district will continue to track away
from the region tonight. Strong to gale force northwesterlies behind
this cold front weaken as a ridge of high pressure builds in from the
west tonight.

Marine interests are advised that gale warnings are in effect for
Banquereau - northern half, Cabot Strait, Gulf - Magdalen -
northeastern half, and Anticosti. Freezing spray warnings are in
effect for Cabot Strait and all Gulf of St. Lawrence waters except
Northumberland Strait.

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