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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 05 December 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind northwest 35 knots diminishing to west 25 early this afternoon and to west 15 to 20 after midnight. Wind diminishing to light early Saturday morning then becoming south 10 to 15 Saturday evening.

Freezing spray warning in effect.

Freezing spray ending after midnight.

Temperatures minus 9 rising to minus 1 Saturday evening.

Extended Forecast

Issued 03:00 AM AST 05 December 2025
Sunday Wind south 15 knots becoming northwest 15 in the afternoon.
Monday Wind northwest 15 knots increasing to northwest 25.
Tuesday Wind west 20 knots.

Ice Forecast

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday Open water. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4705N 6450W to
4758N 6416W to Gaspe Peninsula near 4830N 6413W. Sea ice east of the
ice edge.

Second ice edge estimated from Gaspe Peninsula near 4856N 6712W to
4956N 6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north
of the ice edge.

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Northumberland Strait - western half

Issued 10:00 AM AST 05 December 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.

Freezing spray warning in effect

Northumberland Strait - western half

Issued 10:00 AM AST 05 December 2025

Moderate or severe freezing spray is occurring or expected to occur in this marine area. 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 AST 5 December 2025 Today Tonight and Saturday At 10:00 a.m. AST today intensifying low 982 mb located over
eastern Newfoundland.
By 8:00 p.m. AST tonight low 966 mb located east of Newfoundland.

At 10:00 a.m. AST today ridge located over New England.
By 10:00 a.m. AST Saturday ridge located over the central Marine
District.

Marine Weather Statement

Issued 9:55 AM AST 5 December 2025 An intense low pressure system over Northeastern Newfoundland will
slowly track eastward to lie east of Newfoundland this evening while
a ridge of high pressure over New England will move to lie over the
western marine district tonight. Gale to storm force northwesterlies
are expected between these two features.

Marine interests are advised that storm warnings are in effect for
Banquereau, Cabot Strait, Gulf-Magdalen - northeastern half, and
Anticosti - southeastern half. Gale warnings are in effect for
remaining waters except Fundy, Grand Manan, Lurcher, Browns Bank,
Georges Bank, West Scotian Slope, southwestern shore and LaHave Bank.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except Lurcher, Browns Bank, Georges Bank, West
Scotian Slope, East Scotian Slope, and Laurentian Fan.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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