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Anticosti - western half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 15 July 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind west 20 to 25 knots increasing to west 25 to 30 this afternoon. Wind west 25 to 30 tonight. Wind west 20 to 25 Thursday.

Showers this evening with a risk of thunderstorms.

Waves

Issued 05:00 AM ADT 15 July 2026
Today Tonight and Thursday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM ADT 15 July 2026
Friday Wind westerly 20 to 25 knots.
Saturday Wind westerly 20 knots.
Sunday Wind variable 15 to 20 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île-d'Orléans - Quai de St-Jean Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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buoy Buoy
land station Land Station
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 14 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4530W to 4845N 4500W to 5200N
4900W to 5815N 5515W to 5755N 5315W to 5825N 4825W to 5720N 4510W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - western half

Issued 10:00 AM ADT 15 July 2026

'Strong' winds of 20 to 33 knots are 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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 15 July 2026 Today Tonight and Thursday At 10:00 a.m. ADT today trough located from the Gulf of St. Lawrence
to Georges Bank.
By 3:00 a.m. ADT Thursday trough located east of the Marine
District.

At 10:00 a.m. ADT Thursday trough located over the St. Lawrence
River.
By 8:00 p.m. ADT Thursday trough located over the southern Marine
District.

Marine Weather Statement

Issued 9:56 AM ADT 15 July 2026 A trough of low pressure from the Gulf of St. Lawrence to Georges
Bank will track across the region today to lie east of the marine
district overnight. Strong to gale force southerly winds ahead of the
trough will shift to moderate to strong westerlies in its wake.

Marine interests are advised that gale warnings are in effect for
East Scotian Slope - southeastern half, Banquereau - southeastern
half, and Laurentian Fan.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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