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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 13 March 2025

Tonight and Friday.

Wind light increasing to southeast 15 knots late this evening then veering to southwest 15 to 20 late overnight. Wind southwest 15 to 20 Friday.

Temperatures minus 5 rising to plus 3 Friday evening.

Extended Forecast

Issued 03:30 PM ADT 13 March 2025
Saturday Wind variable 10 to 15 knots increasing to southerly 15 to 20 late in the day.
Sunday Wind south 10 to 15 knots veering to southwest 20 late in the day.
Monday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 13 March 2025 Today Tonight and Friday 2 tenths new ice including 1 tenth first-year ice except 7 tenths first-year ice in the eastern section. Consolidated first-year ice along parts of the coasts. 

[ 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 13 March 2025 Today Tonight and Friday

Ice Edge

First ice edge estimated from New Brunswick near 4523N 6527W to
4515N 6515W to 4430N 6615W to Nova Scotia near 4407N 6612W. Sea ice
east of the ice edge.

Second ice edge estimated from Nova Scotia near 4430N 6332W to 4515N
5830W to 4715N 5700W to Newfoundland near 4707N 5538W. Sea ice north
of the ice edge.

Ice Coverage

2 tenths new ice including 1 tenth first-year ice except 7 tenths
first-year ice in the eastern section. Consolidated first-year ice
along parts of the coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 13 March 2025 Tonight and Friday At 8:00 p.m. ADT tonight ridge located over the central Marine
District.
By 3:30 p.m. ADT Friday departing ridge located over the
southeastern Marine District.

At 8:00 p.m. ADT tonight trough located southwest of the Marine
District.
By 8:00 p.m. ADT Friday low located near Georges Bank.

At 3:00 a.m. ADT Friday trough located over the St. Lawrence River.
By 8:00 p.m. ADT Friday trough located over Anticosti Island.

Marine Weather Statement

Issued 3:18 PM ADT 13 March 2025 The freezing spray warning for Cabot Strait has ended.

St. Lawrence - St. Lawrence River Area

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