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Gulf - Magdalen - northeastern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 15 June 2026

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 20 to 25 early this afternoon with gusts to 35 from Margaree Harbour to Bay St. Lawrence overnight and Tuesday morning. Wind becoming southeast 35 Tuesday morning with gusts to 45 from Margaree Harbour to Bay St. Lawrence. Wind diminishing to southeast 25 Tuesday afternoon and to variable 15 Tuesday evening.

Periods of rain Tuesday. Fog patches forming this evening.

Waves

Issued 05:00 AM ADT 15 June 2026
Today Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 this afternoon.

Extended Forecast

Issued 03:00 AM ADT 15 June 2026
Wednesday Wind variable 10 to 15 knots.
Thursday Wind east 10 to 15 knots.
Friday Wind southeast 25 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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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 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 Jun estimated from Newfoundland near
4705N 5530W to 4130N 5000W to 4325N 4310W to 4945N 4335W to 5315N
4800W to 5900N 5500W to 5910N 5345W to 5815N 5150W to 5745N 4520W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Magdalen - northeastern half

Issued 10:00 AM ADT 15 June 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 10:00 AM ADT 15 June 2026 Today Tonight and Tuesday At 10:00 a.m. ADT today trough located over New England.
By 8:00 p.m. ADT tonight trough located from New Brunswick to the
Gulf of Maine.

At 10:00 a.m. ADT Tuesday trough located from New Brunswick to
East Scotian Slope.
By 8:00 p.m. ADT Tuesday trough located from Anticosti Island to
Laurentian Fan.

Marine Weather Statement

Issued 10:00 AM ADT 15 June 2026 A trough of low pressure over New England will move eastward across
the district tonight and Tuesday. Winds will increase to strong to
gale force southeasterlies ahead of the trough. Winds will diminish
to generally moderate to strong westerlies over most waters in the
wake of the trough.

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

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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