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Northumberland Strait


Marine Forecast

Issued 08:00 PM AST 07 December 2021

Tonight and Wednesday.

Wind west 20 knots diminishing to west 10 to 15 Wednesday morning and to light Wednesday afternoon.

Temperatures plus 2 falling to minus 4 Wednesday morning.

Extended Forecast

Issued 03:30 PM AST 07 December 2021
Thursday Wind northeast 25 to 30 knots becoming northwest 25 to 35 in the afternoon.
Friday Wind northwest 15 to 20 knots backing to southwest 15 to 20.
Saturday Wind southerly 20 knots increasing to southwest 25 to 35.

Ice Forecast

Issued 10:00 AM EST 7 December 2021 Today Tonight and Wednesday Open water except 2 tenths new ice along parts of the coast. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas West Bay of Fundy - 44490 Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport Île 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 Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan 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 EST 7 December 2021 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Quebec near 4909N 6625W to 4909N 6649W
to 4828N 6900W to 4901N 6810W to 4917N 6710W to 5004N 6610W to 4845N
6158W to Labrador near 5116N 5728W. Sea ice south then north of the
ice edge.

Second ice edge estimated from Prince Edward Island near 4628N 6237W
to 4721N 6425W to 4842N 6358W to Quebec near 4851N 6412W. Sea ice
west of the ice edge.

Third ice edge estimated from Nova Scotia near 4546N 6248W to Prince
Edward Island near 4558N 6244W. South of the ice edge. Ice west of
the ice edge.

Ice Coverage

Open water except 2 tenths new ice along parts of the coast.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 8:00 PM AST 7 December 2021 Tonight and Wednesday At 8:00 p.m. AST tonight low 945 mb located over southern Labrador
By 3:00 a.m. AST Wednesday departing low 948 mb located over
eastern Labrador Sea.

At 8:00 p.m. AST tonight ridge located southwest of the Marine
By 8:00 p.m. AST Wednesday ridge located from Anticosti Island to
the Grand Banks.

At 3:30 p.m. AST Wednesday approaching low 1008 mb located southwest
of the Marine District.

Marine Weather Statement

Issued 2:37 AM AST 8 December 2021 A developing low will approach the southern maritime marine
District late in the day today. This weather system will bring
widespread gale force winds tonight into Thursday.

Marine interests are advised that gale warnings are in effect for
Browns Bank, Georges Bank, southwestern shore, LaHave Bank, West
Scotian Slope, eastern shore, Sable, East Scotian Slope, Fourchu,
Banquereau, Laurentian Fan, and Cabot Strait.

A freezing spray warning is also in effect for Anticosti.

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