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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 01 April 2025

Tonight and Wednesday.

Wind northwest 20 to 25 knots increasing to northwest 30 near midnight then diminishing to northwest 15 near noon Wednesday.

Freezing spray warning in effect.

Freezing spray Wednesday morning.

Temperatures zero falling to minus 5 near noon Wednesday then rising to zero Wednesday evening.

Extended Forecast

Issued 03:30 PM ADT 01 April 2025
Thursday Wind light increasing to southeast 20 knots in the afternoon.
Friday Wind light becoming north 15 knots late in the day.
Saturday Wind northeast 15 knots.

Ice Forecast

Issued 10:00 AM EDT 1 April 2025 Today Tonight and Wednesday Open water. 

[ Canadian Ice Service ]

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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 1 April 2025 Today Tonight and Wednesday

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

Warnings (In effect)

Freezing spray warning in effect

Northumberland Strait

Issued 8:00 PM ADT 01 April 2025

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 1 April 2025 Tonight and Wednesday At 8:00 p.m. ADT tonight cold front located over the eastern
Marine District.
By 3:00 a.m. ADT Wednesday cold front located on a line north-south
over the Grand Banks.

At 3:30 p.m. ADT Wednesday approaching ridge located over the Gulf
of Maine.

Marine Weather Statement

Issued 7:32 PM ADT 1 April 2025 A cold front over the eastern marine district will track eastward out
of the area tonight to lie over the Grand Banks overnight. Strong to
gale force southwesterlies ahead of the cold front shift to strong to
gale force northwesterlies behind it.

Marine interests are advised that gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, Fourchu,
Banquereau, Laurentian Fan, Cabot Strait, Gulf - Magdalen, Chaleur -
Miscou, and Anticosti. Freezing spray warnings are in effect for
Cabot Strait and all Gulf of St. Lawrence waters.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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