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Forecast

Marine Forecast

Issued 03:30 PM ADT 22 March 2025

Tonight and Sunday.

Wind southwest 25 knots veering to northwest 30 late overnight. Wind northwest 30 Sunday.

Temperatures plus 5 falling to zero Sunday evening.

Waves

Issued 05:00 AM ADT 22 March 2025
Today Tonight and Sunday. Seas 3 to 4 metres subsiding to 2 to 3 near noon then building to 3 to 4 Sunday afternoon.

Extended Forecast

Issued 03:30 PM ADT 22 March 2025
Monday Wind light increasing to southeast 20 to 25 knots in the afternoon and to south 25 to 35 late in the day.
Tuesday Wind southwest 25 knots diminishing to southwest 15 to 20.
Wednesday Wind west 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 22 March 2025 Today Tonight and Sunday Ice free. 

[ 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 22 March 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Nova Scotia near 4521N 6100W to 4549N 5906W
to Newfoundland near 4736N 5740W. Sea ice northwest of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 22 March 2025 Tonight and Sunday At 3:30 p.m. ADT today departing low 985 mb located over western
Newfoundland.

At 8:00 p.m. ADT tonight trough located over New England.
By 3:30 p.m. ADT Sunday trough located over Nova Scotia.

Marine Weather Statement

Issued 3:21 PM ADT 22 March 2025 A low pressure system over Western Newfoundland will continue to pull
away from the district tonight. Strong to gale force west to
northwesterlies will persist this evening in the wake of the system.

Marine interests are advised that gale warnings are in effect for
East Scotian Slope, Banquereau, Laurentian Fan, 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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