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Northumberland Strait - eastern half

Forecast

Marine Forecast

Issued 03:00 AM AST 05 December 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind northwest 35 knots increasing to northwest 45 early this morning then backing to west 35 early this afternoon. Wind diminishing to west 25 this evening and to northwest 15 overnight. Wind diminishing to light Saturday morning.

Flurries ending this evening. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending after midnight.

Temperatures minus 2 falling to minus 8 this morning then 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 4 December 2025 Today Tonight and Friday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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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
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 4 December 2025 Today Tonight and Friday

Ice Edge

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 - eastern half

Issued 03:00 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 - eastern half

Issued 03:00 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 3:00 AM AST 5 December 2025 Today Tonight and Saturday At 3:00 a.m. AST today departing trough located from Newfoundland
to Banquereau.

At 10:00 a.m. AST today intensifying low 976 mb located over
eastern Newfoundland.
By 10:00 a.m. AST Saturday low 955 mb located east of Newfoundland.

At 3:30 p.m. AST today ridge located west of the Marine District.
By 3:30 p.m. AST Saturday ridge located over the central Marine
District.

Marine Weather Statement

Issued 2:37 AM AST 5 December 2025 An intensifying trough of low pressure extending from Labrador to
Browns Bank will move eastward to lie east of the marine district by
Friday morning. Gale to storm force northwesterlies will develop in
the wake of the trough.

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 all
remaining waters.

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

Atlantic - Newfoundland Area

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