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Gulf - Magdalen

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 22 July 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind southeast 30 knots with gusts to 50 from Margaree Harbour to Bay St. Lawrence. Wind becoming south 30 early this evening then veering to southwest 20 to 25 Thursday morning. Wind diminishing to southwest 15 Thursday evening.

Showers and fog patches. Risk of thunderstorms late this afternoon and this evening.

Waves

Issued 05:00 AM ADT 22 July 2026

Gulf - Magdalen - northern half

Today Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 near noon then subsiding to 1 to 2 Thursday morning.

Gulf - Magdalen - southern half

Today Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less Thursday morning.

Extended Forecast

Issued 03:00 AM ADT 22 July 2026
Friday Wind westerly 15 to 20 knots backing to southerly 15 to 20 in the afternoon.
Saturday Wind southwest 10 to 15 knots backing to south 15 to 20.
Sunday Wind south 10 to 15 knots backing to southeast 15 to 20.

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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 21 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 Jul estimated from Newfoundland near
4805N 5255W to 4740N 4600W to 4900N 4500W to 5745N 5400W to 5905N
5055W to 5800N 4600W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen

Issued 10:00 AM ADT 22 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 22 July 2026 Today Tonight and Thursday At 10:00 a.m. ADT today trough located over the Gulf of Maine.
By 3:30 p.m. ADT today trough located over the western Marine
District.

At 8:00 p.m. ADT Thursday trough located over the eastern Marine
District.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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