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Gulf - Magdalen - southwestern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 16 March 2026

Tonight and Tuesday.

Gale warning in effect.

Wind southeast 40 knots veering to south 45 Tuesday morning then to southwest 35 early Tuesday evening.

Rain changing to scattered showers after midnight. Fog patches dissipating Tuesday evening.

Waves

Issued 05:00 PM ADT 16 March 2026
Tonight and Tuesday. Over open water seas 1 to 2 metres building to 2 to 3 Tuesday morning then subsiding to 1 to 2 Tuesday evening.

Extended Forecast

Issued 03:30 PM ADT 16 March 2026
Wednesday Wind west 25 to 35 knots diminishing to west 20 to 25 late in the day.
Thursday Wind south 15 knots increasing to south 20 to 25.
Friday Wind south 20 to 25 knots.

Ice Forecast

Issued 10:00 AM EDT 16 March 2026 Today Tonight and Tuesday 7 tenths first-year ice. Consolidated first-year ice along parts of the Prince Edward Island coast. 

[ Canadian Ice Service ]

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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 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 16 March 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4602N 5807W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.

Ice Coverage

7 tenths first-year ice. Consolidated first-year ice along parts of
the Prince Edward Island coast.

 

Iceberg Bulletin

Issued 2:30 PM EDT 16 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Mar estimated from Newfoundland near
4640N 5310W to 4535N 4600W to 4540N 4400W to 4815N 4300W to 5200N
4700W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5815N 4855W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Magdalen - southwestern half

Issued 8:00 PM ADT 16 March 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 16 March 2026 Tonight and Tuesday At 8:00 p.m. ADT tonight cold front from low located over the
eastern United States.
By 3:30 p.m. ADT Tuesday cold front from low located from Labrador
to Georges Bank.

At 8:00 p.m. ADT Tuesday departing cold front from low located
from Labrador Sea to East Scotian Slope.

Marine Weather Statement

Issued 7:47 PM ADT 16 March 2026 An intensifying cold front over the Eastern United States will
approach the region tonight and slowly track eastward across the
marine district on Tuesday. Strong to gale force southerly winds will
increase to gale to near storm force just ahead of the front.
Winds will shift to strong to gale force southwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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