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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 14 December 2025

Today Tonight and Monday.

Gale warning in effect.

Wind light increasing to northerly 15 knots early this evening and to north 30 near midnight. Wind increasing to northwest 35 Monday afternoon.

Flurries this afternoon tonight and Monday morning.

Freezing spray warning in effect.

Freezing spray beginning Monday morning.

Temperatures minus 1 falling to minus 6 Monday morning.

Extended Forecast

Issued 03:00 AM AST 14 December 2025
Tuesday Wind northwest 35 knots diminishing to northwesterly 25 in the afternoon then backing to southwest 25 late in the day.
Wednesday Wind southwest 30 knots.
Thursday Wind northwest 35 knots diminishing to south 25.

Ice Forecast

Issued 10:00 AM EST 13 December 2025 Today Tonight and Sunday 1 tenth new ice except 7 tenths new ice including 2 tenths grey ice along parts of the coasts. Consolidated 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 13 December 2025 Today Tonight and Sunday

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

1 tenth new ice except 7 tenths new ice including 2 tenths grey ice
along parts of the coasts. Consolidated grey ice along parts of the
coasts.

Warnings

Warnings (In effect)

Gale warning in effect

Northumberland Strait - western half

Issued 03:00 AM AST 14 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 03:00 AM AST 14 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 14 December 2025 Today Tonight and Monday At 3:00 a.m. AST today ridge located from the Gulf of St. Lawrence
to Laurentian Fan.
By 3:30 p.m. AST today ridge located from the Gulf of St. Lawrence
to the Grand Banks.

At 3:30 p.m. AST today intensifying low 1002 mb located southwest
of Georges Bank.
By 3:00 a.m. AST Monday low 988 mb located over Sable Island.

At 3:30 p.m. AST Monday low 961 mb located south of Newfoundland.

Marine Weather Statement

Issued 2:51 AM AST 14 December 2025 An intensifying low pressure system will approach the marine district
today and move to lie over West Scotian Slope this evening and south
of Newfoundland Monday afternoon. Gale to possibly storm force
southwest winds over the southern slope waters late today will shift
to gale to storm force northwesterlies behind the low late tonight
into Monday.

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

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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