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Northumberland Strait - western half

Forecast

Marine Forecast

Issued 08:00 PM AST 05 December 2025

Tonight and Saturday.

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

Freezing spray warning in effect.

Freezing spray ending after midnight.

Temperatures minus 8 rising to minus 1 Saturday evening.

Extended Forecast

Issued 03:30 PM AST 05 December 2025
Sunday Wind south 15 knots becoming northwest 15 in the afternoon.
Monday Wind northwest 15 knots increasing to northwest 30.
Tuesday Wind west 20 to 25 knots.

Ice Forecast

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

Freezing spray warning in effect

Northumberland Strait - western half

Issued 8:00 PM 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 8:00 PM AST 5 December 2025 Tonight and Saturday At 8:00 p.m. AST tonight departing low 973 mb located northeast
of Newfoundland.

At 8:00 p.m. AST tonight ridge located over the Gulf of Maine.
By 8:00 p.m. AST Saturday ridge located over the eastern Marine
District.

Marine Weather Statement

Issued 7:32 PM AST 5 December 2025 An intense low pressure system northeast of Newfoundland will slowly
track eastward and away from the region tonight. A ridge of high
pressure over the western marine district will move to lie over the
eastern marine district by Saturday evening. Gale to storm force
northwesterlies are expected between these two features with light to
moderate winds under the ridge.

Marine interests are advised that a storm warning is in effect for
Banquereau. Gale warnings are in effect for eastern shore - eastern
half, Sable - eastern half, East Scotian Slope - eastern half,
Fourchu, Laurentian Fan, Cabot Strait, Gulf-Magdalen , Chaleur-Miscou
- eastern half, and Anticosti - southeastern half.

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

Atlantic - Newfoundland Area

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