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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 15 March 2026

Today Tonight and Monday.

Wind north 25 knots backing to northwest 15 to 20 early this morning then diminishing to light this afternoon. Wind increasing to southeast 25 near noon Monday then veering to south 30 Monday evening.

Flurries ending early this morning. Showers Monday evening. Visibility 1 mile or less in flurries.

Temperatures minus 1 rising to plus 5 Monday evening.

Extended Forecast

Issued 03:00 AM 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.
Thursday Wind west 35 knots diminishing to south 25 late in the day.

Ice Forecast

Issued 10:00 AM EDT 14 March 2026 Today Tonight and Sunday 7 tenths first-year ice. Consolidated 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 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 14 March 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4558N 5841W 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 coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 15 March 2026 Today Tonight and Monday At 3:30 p.m. ADT today approaching ridge located over the Gulf
of Maine.

At 8:00 p.m. ADT Monday approaching low 988 mb located over Quebec.

Marine Weather Statement

Issued 2:46 AM ADT 15 March 2026 A low over Southeastern Newfoundland is continuing to depart leaving
gale force northwesterlies in its wake. A ridge of high pressure is
beginning to build into the region giving gradually diminishing winds
over most of the marine district.

Monday night a low over Quebec is forecasted to give gale force
southerlies as the system progresses through eastern, and Atlantic
Canada.

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 - northern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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