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Anticosti - northeastern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 09 November 2025

Tonight and Monday.

Gale warning in effect.

Wind northwest 15 knots diminishing to light near midnight then increasing to east 20 late Monday morning. Wind increasing to southeast 30 late Monday afternoon and to east 35 Monday evening.

Periods of snow Monday afternoon changing to rain. Visibility 1 mile or less in snow.

Waves

Issued 05:00 PM AST 09 November 2025

Anticosti - northwestern half

Tonight and Monday. Seas 1 to 2 metres subsiding to 1 or less this evening then building to 1 to 2 Monday morning. Seas building to 2 to 3 Monday afternoon and to 3 to 4 Monday evening.

Anticosti - southeastern half

Tonight and Monday. Seas 1 to 2 metres subsiding to 1 or less late overnight then building to 1 to 2 early Monday afternoon. Seas building to 3 to 4 Monday evening.

Extended Forecast

Issued 03:30 PM AST 09 November 2025
Tuesday Wind east 20 knots increasing to southeast 30 in the afternoon.
Wednesday Wind west 40 knots diminishing to southwest 30 late in the day.
Thursday Wind variable 15 knots increasing to northeast 25.

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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 9 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 Nov estimated from Newfoundland near
5026N 5623W to 5015N 4930W to 5100N 4800W to 5315N 4900W to 5945N
5730W to 6030N 5330W to 5920N 5035W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - northeastern half

Issued 8:00 PM AST 09 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 8:00 PM AST 9 November 2025 Tonight and Monday At 8:00 p.m. AST tonight low 1006 mb located near Long Island.
By 8:00 p.m. AST Monday intensifying low 996 mb located over the
Gulf of Maine.

At 8:00 p.m. AST tonight ridge located over the central Marine
District.
By 3:30 p.m. AST Monday departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 7:45 PM AST 9 November 2025 A low pressure system will approach the marine district from the
southwest tonight and Monday and will move to lie over the Gulf of
Maine Monday evening. Winds will increase to strong to gale force
southeasterlies tonight and Monday ahead of the low.

Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, southwestern shore, LaHave Bank,
eastern shore, Sable, Fourchu, Cabot Strait, and the Gulf of St.
Lawrence waters.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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