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Marine Forecast

Issued 03:00 AM AST 04 December 2024

Today Tonight and Thursday.

Gale warning in effect.

Wind light increasing to south 15 knots early this evening and to southeast 25 after midnight. Wind increasing to southeast 35 Thursday morning then diminishing to west 15 to 20 near noon Thursday.

Flurries or showers ending this evening. Rain Thursday. Visibility as low as 1 mile in precipitation.

Temperatures zero rising to plus 8 Thursday afternoon.

Waves

Issued 05:00 AM AST 04 December 2024
Today Tonight and Thursday. Seas 1 metre or less building to 1 to 2 early this evening and to 2 to 3 Thursday morning. Seas building to 3 to 4 Thursday afternoon.

Extended Forecast

Issued 03:00 AM AST 04 December 2024
Friday Wind northwest 25 knots.
Saturday Wind west 20 knots.
Sunday Wind northwest 15 knots backing to west 20.

Ice Forecast

Issued 10:00 AM EST 3 December 2024 Today Tonight and Wednesday Ice free. 

[ 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 EST 3 December 2024 Today Tonight and Wednesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Lurcher

Issued 03:00 AM AST 04 December 2024

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 4 December 2024 Today Tonight and Thursday At 3:00 a.m. AST today ridge located from Labrador to New England.
By 8:00 p.m. AST tonight departing ridge located from Labrador to
the Grand Banks.

At 3:00 a.m. AST Thursday intensifying low 996 mb located over
southern Ontario.
By 8:00 p.m. AST Thursday low 984 mb located south of Anticosti
Island.

Marine Weather Statement

Issued 2:44 AM AST 4 December 2024 A low pressure system will rapidly intensify as it crosses the
Maritimes on Thursday. Southerly winds will increase to gale to storm
force ahead of the low, with strong to gale force westerlies in its
wake.

Higher than normal water levels are also possible along the Acadian
Peninsula on Thursday evening during high tide.

Marine interests are advised that storm warnings are in effect for
georges banks - southern half, West Scotian Slope, eastern shore -
eastern half, Sable - eastern half, East Scotian Slope, Fourchu,
Banquereau, Laurentian Fan, Cabot Strait, and Gulf-Magdalen - eastern
half. Gale warnings are in effect for all remaining waters.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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