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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 01 April 2025

Today Tonight and Wednesday.

Wind variable 15 knots increasing to northwest 20 this afternoon and to northwest 30 near midnight. Wind diminishing to northwest 15 near noon Wednesday.

Periods of rain ending this evening. Fog patches dissipating this afternoon.

Freezing spray warning in effect.

Freezing spray Wednesday morning.

Temperatures plus 4 falling to minus 5 near noon Wednesday then rising to zero Wednesday evening.

Extended Forecast

Issued 03:00 AM 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 10:00 AM 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 10:00 AM ADT 1 April 2025 Today Tonight and Wednesday At 10:00 a.m. ADT today departing warm front located northeast of
the Marine District.

At 10:00 a.m. ADT today cold front located from the Gulf of Maine
to Anticosti Island.
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 9:53 AM ADT 1 April 2025 A cold front over the western marine district will track eastward
across the area today and tonight to lie over the Grand Banks
overnight tonight. 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 all
waters except Fundy, Grand Manan, southwestern shore, eastern shore -
western half, and Northumberland Strait. Freezing spray warnings are
in effect for Cabot Strait and all gulf of Saint Lawrence waters.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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