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Northumberland Strait - western half

Forecast

Marine Forecast

Issued 03:00 AM AST 08 December 2024

Today Tonight and Monday.

Wind west 15 knots backing to southerly 10 to 15 early this morning then to southeast 15 near noon. Wind increasing to southeast 25 to 30 this afternoon then diminishing to west 15 this evening. Wind increasing to northwest 25 overnight then diminishing to northwest 15 Monday evening.

Periods of snow this afternoon and this evening. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Freezing spray Monday afternoon and evening.

Temperatures minus 7 rising to plus 1 this evening then falling to minus 4 Monday afternoon.

Extended Forecast

Issued 03:00 AM AST 08 December 2024
Tuesday Wind northwest 15 knots diminishing to light in the afternoon.
Wednesday Wind southeast 20 knots increasing to south 30.
Thursday Wind south 40 knots.

Ice Forecast

Issued 10:00 AM EST 7 December 2024 Today Tonight and Sunday Open water except 5 tenths new ice in sheltered bays in the western section. 

[ 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 EST 7 December 2024 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Quebec near 4808N 6941W to 4811N 6932W
to 4918N 6716W to 5007N 6618W to 4958N 6010W to Quebec near 5125N
5737W. Sea ice north of the ice edge.

Second ice edge estimated from Prince Edward Island near 4634N 6341W
to 4750N 6419W to 4831N 6404W to Gaspe Peninsula near 4845N 6410W.
Sea ice west of the ice edge.

Third ice edge estimated from Nova Scotia near 4558N 6352W to Prince
Edward Island near 4611N 6327W. Sea ice northwest of the ice edge.

Ice Coverage

Open water except 5 tenths new ice in sheltered bays in the western
section.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Northumberland Strait - western half

Issued 03:00 AM AST 08 December 2024

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 3:00 AM AST 8 December 2024 Today Tonight and Monday At 10:00 a.m. AST today low 998 mb located over southern Quebec.
By 8:00 p.m. AST tonight low 1003 mb located over the Maritimes.

At 10:00 a.m. AST Monday departing low 999 mb located over
Newfoundland.

Marine Weather Statement

Issued 3:09 AM AST 8 December 2024 A low pressure system over Southern Quebec will intensify today and
cross the Maritimes to lie over Newfoundland Monday morning. Gale to
storm force southerly winds will develop ahead of the low while
strong to gale force westerly winds are forecast in its wake.

Marine interests are advised that storm warnings are in effect for
Banquereau - eastern half and Laurentian Fan - eastern half.
Gale warnings are in effect for Georges Bank, West Scotian Slope,
East Scotian Slope, Fourchu, Banquereau - western half, Laurentian
Fan - western half, Cabot Strait, Gulf - Magdalen - northeastern half
and Anticosti. Freezing spray warnings are in effect for
Northumberland Strait - western half, Chaleur - Miscou, and
Anticosti.

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