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Northumberland Strait

Forecast

Marine Forecast

Issued 10:00 AM AST 05 March 2026

Today Tonight and Friday.

Wind northerly 20 knots diminishing to northerly 10 to 15 early this afternoon and to light early this evening. Wind light Friday.

Temperatures minus 14 rising to minus 8 Friday afternoon.

Extended Forecast

Issued 03:00 AM AST 05 March 2026
Saturday Wind south 15 knots increasing to south 25 in the afternoon.
Sunday Wind southwest 25 knots diminishing to northwest 15.
Monday Wind southwest 20 knots.

Ice Forecast

Issued 10:00 AM EST 5 March 2026 Today Tonight and Friday 7 tenths first-year ice. Consolidated first-year ice along parts of the coasts. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 5 March 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4600N 5845W to 4714N 5856W to 4630N 5615W to
Newfoundland near 4640N 5530W. 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 10:00 AM AST 5 March 2026 Today Tonight and Friday At 10:00 a.m. AST today building ridge located from Quebec to
New Brunswick.
By 8:00 p.m. AST Friday ridge located from the Gulf of St. Lawrence
to the Grand Banks.

At 3:00 a.m. AST Friday low located south of Long Island.
By 8:00 p.m. AST Friday low located south of Georges Bank.

Marine Weather Statement

Issued 9:26 AM AST 5 March 2026 Strong to gale force northwest winds over northern waters will slowly
diminish today and tonight as a ridge of high pressure builds over
the Maritimes.

A low pressure system will slowly approach southwestern waters on
Friday passing just south of Georges Bank by evening. Winds will
increase to strong to gale force easterlies ahead of the low.

Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope and Cabot Strait - northern half.

Marine interests are also advised that freezing spray warnings are in
effect for eastern shore, Sable - eastern half, Fourchu, Banquereau,
Cabot Strait, Gulf-Magdalen - northeastern half and Anticosti.

Atlantic - Maritimes Area

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