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Gulf - Magdalen

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 15 September 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots diminishing to northwest 10 to 15 early this morning and to light this afternoon. Wind increasing to south 10 to 15 near midnight and to southwest 15 to 20 near noon Wednesday.

Waves

Issued 05:00 PM ADT 14 September 2026

Gulf - Magdalen - northern half

Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 this evening then subsiding to 1 to 2 Tuesday morning.

Gulf - Magdalen - southern half

Tonight and Tuesday. Seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 late overnight. Seas subsiding to 1 to 2 Tuesday morning and to 1 or less Tuesday afternoon.

Extended Forecast

Issued 03:00 AM ADT 15 September 2026
Thursday Wind northwest 15 to 20 knots diminishing to light in the afternoon.
Friday Wind southwest 20 to 25 knots increasing to northwest 35.
Saturday Wind northwest 30 knots diminishing to northwest 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
Legend:
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 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 Sep estimated from Newfoundland near
4930N 5510W to 5430N 5115W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen

Issued 03:00 AM ADT 15 September 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 3:00 AM ADT 15 September 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today departing trough located from Newfoundland
to Laurentian Fan.

At 3:00 a.m. ADT today ridge located from Quebec to New England.
By 8:00 p.m. ADT tonight ridge located from Newfoundland to the
Gulf of Maine.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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