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Northumberland Strait - eastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 15 December 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind northerly 35 knots backing to northwest 45 near noon then diminishing to northwest 35 near midnight. Wind diminishing to west 25 overnight. Wind west 25 Tuesday.

Snow changing to scattered flurries this evening. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray beginning this morning and ending Tuesday afternoon.

Temperatures near minus 4.

Extended Forecast

Issued 03:00 AM AST 15 December 2025
Wednesday Wind southwest 30 knots.
Thursday Wind northwest 35 knots diminishing to south 20.
Friday Wind south 35 knots increasing to south 40 to 50.

Ice Forecast

Issued 10:00 AM EST 14 December 2025 Today Tonight and Monday Open water except 3 tenths new ice including 1 tenth grey ice along parts of the coasts. 

[ 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:
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 14 December 2025 Today Tonight and Monday

Ice Edge

First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N
6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W.
Sea ice within the ice edge.

Second ice edge estimated from Nova Scotia near 4551N 6201W to
Prince Edward Island near 4621N 6211W. Sea ice west of the ice edge.

Third ice edge estimated from Prince Edward Island near 4628N 6231W
to 4640N 6329W to 4736N 6409W to 4904N 6404W to 4925N 6516W to 4916N
6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice
west then north of the ice edge.

Fourth ice edge estimated from Anticosti Island near 4945N 6301W to
4946N 5954W to 5106N 5804W to Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.

Ice Coverage

Open water except 3 tenths new ice including 1 tenth grey ice along
parts of the coasts.

Warnings

Warnings (In effect)

Gale warning in effect

Northumberland Strait - eastern half

Issued 03:00 AM AST 15 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 15 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 15 December 2025 Today Tonight and Tuesday At 3:00 a.m. AST today intensifying low 987 mb located near
Sable Island.
By 3:00 a.m. AST Tuesday low 944 mb located northeast of
Newfoundland.

At 3:00 a.m. AST Tuesday ridge located over southern Quebec.
By 3:30 p.m. AST Tuesday ridge located over the western Marine
District.

Marine Weather Statement

Issued 2:45 AM AST 15 December 2025 An intensifying low pressure system near Sable Island will track
northeastward to lie east of Newfoundland by Monday evening. Gale to
possibly storm force southwest winds over the southeastern slope
waters will shift to gale to storm force northwesterlies behind the
low.

Marine interests are advised that storm warnings are in effect for
Banquereau, Laurentian Fan and Cabot Strait. Gale warnings are in
effect for all remaining waters except Fundy and Grand Manan.

Freezing spray warnings are in effect for Fundy, Grand Manan,
Northumberland Strait, Gulf - Magdalen, Chaleur - Miscou, and
Anticosti.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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