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Gulf - Magdalen - northeastern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 31 March 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 35 this afternoon with gusts to 50 from Margaree Harbour to Bay St. Lawrence. Wind diminishing to southwest 25 to 30 early this evening and to northwest 20 near noon Tuesday. Wind increasing to northwest 35 Tuesday evening.

Snow changing to freezing rain this afternoon then to rain this evening and ending near midnight. Rain Tuesday morning and afternoon changing to snow or freezing rain. Fog patches forming early this evening and dissipating near noon Tuesday. Visibility 1 mile or less in snow and in fog patches.

Temperatures minus 2 rising to plus 4 Tuesday morning.

Waves

Issued 05:00 AM ADT 31 March 2025
Today Tonight and Tuesday. Seas 1 metre building to 1 to 2 late this morning and to 3 this afternoon. Seas subsiding to 2 near midnight then building to 3 to 4 Tuesday evening.

Extended Forecast

Issued 03:00 AM ADT 31 March 2025
Wednesday Wind northwest 25 to 35 knots.
Thursday Wind northwest 15 knots increasing to southeast 25.
Friday Wind southeast 25 knots backing to northeast 30.

Ice Forecast

Issued 10:00 AM EDT 31 March 2025 Today Tonight and Tuesday Open water except 1 tenth first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport L'Isle-aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts Pointe-Noire Cap-d'Espoir Rivière-la-Madeleine Gaspé Airport La Pocatière Mont-Joli Airport New Carlisle Pointe-au-Père Port Menier Île Bicquette Cap-Chat CFB Bagotville Jonquière Mistook Normandin Roberval Airport Bas Caraquet Bathurst Airport Charlo Miramichi Fundy Park (Alma) Grand Manan Kouchibouguac Kouchibouguac Miscou Island Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau Saint John Airport St. Stephen Brier Island Yarmouth Airport North Cape
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 31 March 2025 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Cape Breton near 4620N 6017W to 4656N
6003W to 4753N 6116W to 4754N 6327W to Anticosti Island near 4923N
6335W. Sea ice south and west of the ice edge.

Second ice edge estimated from Anticosti Island near 4948N 6315W to
4948N 5942W to 5031N 5752W to Newfoundland near 4847N 5846W. Sea ice
north and east of the ice edge.

Ice Coverage

Open water except 1 tenth first-year ice along parts of the coasts.

 

Iceberg Bulletin

Issued 2:30 PM EDT 30 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 31 Mar estimated from Newfoundland near
4658N 5404W to 4410N 5045W to 4430N 4630W to 4655N 4040W to 5155N
4425W to 5510N 4705W to 5900N 5620W to 6110N 5505W to 5830N 4740W
then eastwards.

Western iceberg limit at 0000 UTC 31 Mar estimated from Quebec near
5015N 6057W to Newfoundland near 4833N 5849W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Gulf - Magdalen - northeastern half

Issued 10:00 AM ADT 31 March 2025

'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 10:00 AM ADT 31 March 2025 Today Tonight and Tuesday At 10:00 a.m. ADT today warm front located on a line east-west
over Nova Scotia.
By 3:00 a.m. ADT Tuesday warm front located from the Gaspe Peninsula
to Newfoundland.

At 10:00 a.m. ADT Tuesday cold front located from the Gulf of
Maine to Anticosti Island.
By 8:00 p.m. ADT Tuesday cold front located from East Scotian
Slope to Banquereau.

Marine Weather Statement

Issued 9:47 AM ADT 31 March 2025 A warm front over southwestern waters will move northeastward to lie
north of the marine district Tuesday morning. A cold front will move
eastward across the marine district on Tuesday and Tuesday night.

Strong to gale force southeasterlies ahead of the warm front will
veer to strong to gale force southwesterlies in its wake. Winds will
veer to strong to gale force northwesterlies on Tuesday behind the
cold front.

Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, East Scotian Slope, Banquereau,
Laurentian Fan, Cabot Strait, Gulf Magdalen, Chaleur-Miscou - eastern
half and Anticosti.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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