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Gulf - Magdalen

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 19 July 2026

Tonight and Monday.

Strong wind warning in effect.

Wind southwesterly 25 knots veering to west 30 late this evening then diminishing to west 20 Monday afternoon. Wind diminishing to west 10 to 15 Monday evening.

Waves

Issued 05:00 PM ADT 19 July 2026

Gulf - Magdalen - eastern half

Tonight and Monday. Seas 3 to 5 metres subsiding to 2 to 3 this evening then building to 3 to 4 late overnight. Seas subsiding to 2 to 3 Monday afternoon and to 1 to 2 Monday evening.

Gulf - Magdalen - western half

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

Extended Forecast

Issued 03:30 PM ADT 19 July 2026
Tuesday Wind southwest 10 to 15 knots.
Wednesday Wind south 20 knots increasing to southeast 30.
Thursday Wind south 30 knots diminishing to southwest 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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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 19 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Jul estimated from Newfoundland near
4805N 5255W to 4700N 4600W to 4730N 4430W to 4830N 4430W to 5535N
5100W to 5745N 5400W to 5825N 4825W to 5720N 4510W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Gulf - Magdalen

Issued 8:00 PM ADT 19 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 8:00 PM ADT 19 July 2026 Tonight and Monday At 8:00 p.m. ADT tonight low 987 mb located near Anticosti Island.
By 3:30 p.m. ADT Monday departing low 988 mb located over Labrador.

Marine Weather Statement

Issued 7:50 PM ADT 19 July 2026 Marine interests are advised that all gale warnings have ended.

St. Lawrence - St. Lawrence River Area

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