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Gulf - Magdalen - southwestern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 15 March 2026

Tonight and Monday.

Gale warning in effect.

Wind light increasing to southeast 15 knots early Monday morning and to southeast 20 to 25 late Monday morning. Wind increasing to southeast 40 early Monday evening.

Snow late Monday afternoon changing to rain and fog patches.

Temperatures minus 3 rising to plus 4 Monday evening.

Waves

Issued 05:00 PM ADT 15 March 2026
Tonight and Monday. Over open water seas 1 metre or less building to 1 to 2 Monday afternoon.

Extended Forecast

Issued 03:30 PM ADT 15 March 2026
Tuesday Wind south 45 knots veering to southwest 25 to 35 in the afternoon.
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.

Ice Forecast

Issued 10:00 AM EDT 15 March 2026 Today Tonight and Monday 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 15 March 2026 Today Tonight and Monday

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 2:50 PM EDT 15 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 Mar estimated from Newfoundland near
4640N 5310W to 4555N 4840W to 4550N 4440W to 4815N 4300W to 5220N
4615W 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 15 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 15 March 2026 Tonight and Monday At 8:00 p.m. ADT tonight ridge located from New Brunswick to East
Scotian Slope.
By 10:00 a.m. ADT Monday departing ridge located over the eastern
Marine District.

At 10:00 a.m. ADT Monday low 988 mb located over the Great Lakes.
By 8:00 p.m. ADT Monday low 988 mb located over southern Quebec.

Marine Weather Statement

Issued 8:02 PM ADT 15 March 2026 A low pressure system near the Great Lakes Monday morning will move
eastward throughout the day. Increasing southerly winds will reach
gale force across most of the region ahead of the low.

Marine interests are advised that gale warnings are in effect for all
regions except Northumberland Strait - western half and
Chaleur-Miscou.

Marine interests are also advised that a freezing spray warning is in
effect for Anticosti.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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