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Anticosti - southeastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 07 October 2026

Today Tonight and Thursday.

Gale warning in effect.

Wind northwest 40 knots diminishing to northwest 25 this morning and to southwest 10 to 15 this afternoon. Wind increasing to south 20 to 25 Thursday morning.

Scattered showers overnight and Thursday.

Waves

Issued 05:00 AM ADT 07 October 2026
Today Tonight and Thursday. Seas 3 to 4 metres subsiding to 2 to 3 near noon and to 1 to 2 early this evening. Seas building to 2 to 3 near noon Thursday.

Extended Forecast

Issued 03:00 AM ADT 07 October 2026
Friday Wind west 15 knots increasing to west 25 in the afternoon.
Saturday Wind northwest 30 knots.
Sunday Wind northwest 20 knots backing to southwest 15.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 6 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 7 Oct estimated from Newfoundland near
4950N 5547W to 4945N 5500W to 5130N 5300W to 5445N 5130W to 6000N
5800W to 6050N 5615W to 5900N 5210W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southeastern half

Issued 03:00 AM ADT 07 October 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 7 October 2026 Today Tonight and Thursday At 3:00 a.m. ADT today departing low 978 mb located over Labrador
Sea.

At 8:00 p.m. ADT tonight trough located over Quebec.
By 8:00 p.m. ADT Thursday trough located from Labrador to Nova
Scotia.

At 3:00 a.m. ADT today ridge located southwest of the Marine
District.
By 8:00 p.m. ADT tonight ridge located southeast of the Marine
District.

Marine Weather Statement

Issued 2:17 AM ADT 7 October 2026 A low pressure system moving out into the Labrador Sea will continue
to pull away today. Strong to gale force westerlies over northern
waters will gradually diminish this morning.

Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half, Gulf - Magdalen - northeastern half and
Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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