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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 12 March 2026

Tonight and Friday.

Wind west 15 knots increasing to northwesterly 25 near midnight then diminishing to light Friday evening.

Scattered flurries or showers and fog patches ending near midnight.

Over open water risk of freezing spray Friday morning and afternoon.

Temperatures plus 1 falling to minus 5 Friday afternoon.

Extended Forecast

Issued 03:30 PM ADT 12 March 2026
Saturday Wind variable 15 knots increasing to southeast 35 in the afternoon.
Sunday Wind northwest 25 knots diminishing to variable 10 to 15.
Monday Wind southeast 15 knots increasing to south 35.

Ice Forecast

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday 6 tenths first-year ice. 

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport Eskasoni (First Nations) Grand Étang St. Lawrence St. John's Int'l Airport St. Anthony Airport Ingonish Beach Sagona Island Port aux Basques La Scie North Mountain Ferolle Point Twillingate Daniel's Harbour St.Paul Island Corner Brook Cape Race J.A. Douglas McCurdy Sydney Airport Burgeo West Chedabucto Bay – 44489 Bonavista Berry Hill Charlottetown Airport Argentia East Point North Cape Long Pond Banquereau - 44139 Îles de la Madeleine Airport Miscou Island Cartwright Airport Cap Whittle Blanc-Sablon Airport Natashquan Airport East Chedabucto Bay – 44488 Marticot Island Pool's Island Mary's Harbour Grates Cove Chevery
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 March 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

6 tenths first-year ice.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 12 March 2026 Tonight and Friday At 8:00 p.m. ADT tonight departing low 994 mb located over the
northeastern Gulf of St. Lawrence.

At 3:00 a.m. ADT Friday trough from low located on a line
northeast-southwest over the eastern Marine District.
By 8:00 p.m. ADT Friday departing trough located east of the
Grand Banks.

Marine Weather Statement

Issued 7:53 PM ADT 12 March 2026 A low pressure system over the Northeastern Gulf of St. Lawrence will
move eastward and away from the district tonight. A trough extending
from the low will cross eastern waters tonight and Friday morning.
Strong to gale force southerlies ahead of the trough will shift to
strong to gale force westerlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Grand Manan, Lurcher, Browns Bank, Georges
Bank, southwestern shore, West Scotian Slope, Northumberland Strait,
and Chaleur - Miscou - western half.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait - northern half and all Gulf of St. Lawrence
waters except Northumberland Strait.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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