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Anticosti - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 16 November 2025

Today Tonight and Monday.

Gale warning in effect.

Wind southerly 15 knots backing to southeast 20 this afternoon then increasing to northeast 35 late this evening. Wind diminishing to northeast 25 Monday morning and to variable 10 to 15 near noon Monday. Wind increasing to west 20 to 25 Monday evening.

Scattered flurries ending early this morning. Periods of rain this afternoon tonight and Monday.

Waves

Issued 05:00 AM AST 16 November 2025
Today Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 this evening then subsiding to 1 to 2 Monday morning. Seas building to 2 to 3 Monday afternoon.

Extended Forecast

Issued 03:00 AM AST 16 November 2025
Tuesday Wind southwest 30 knots.
Wednesday Wind west 30 knots.
Thursday Wind west 20 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 1:30 PM EST 15 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 16 Nov estimated from Newfoundland near
5009N 5609W to 5030N 5030W to 5115N 4930W to 5430N 5030W to 5945N
5730W to 6100N 5310W to 6000N 4940W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - western half

Issued 03:00 AM AST 16 November 2025

'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 16 November 2025 Today Tonight and Monday At 3:00 a.m. AST today low 984 mb located over New England.
By 8:00 p.m. AST tonight low 979 mb located over the Bay of Fundy.

By 3:00 a.m. AST Monday low 976 mb located over the western Gulf
of St. Lawrence.

At 3:00 a.m. AST today weakening ridge located south of the Marine
District.

Marine Weather Statement

Issued 2:45 AM AST 16 November 2025 A developing low pressure system will approach the district from New
England today, moving over Southern New Brunswick by evening.
And then into the Western Gulf of St. Lawrence overnight. Winds will
increase to gale force southeasterlies ahead of the low then diminish
to moderate to strong southwesterlies south of it. Winds will once
again increase to strong to gale force westerlies over most waters on
Monday as the low intensifies.

Marine interests are advised that gale warnings are in effect for all
waters except Fundy.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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