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Forecast

Marine Forecast

Issued 03:00 AM NST 11 December 2025

Today Tonight and Friday.

Gale warning in effect.

Wind south 10 to 15 knots backing to southeast 15 to 20 this morning then veering to southwest 25 this evening. Wind increasing to southwest 35 Friday morning.

Rain changing to flurries Friday morning. Fog banks dissipating this evening. Visibility 1 mile or less in fog banks and in flurries.

Temperatures plus 4 falling to minus 1 Friday afternoon.

Waves

Issued 06:00 AM NST 11 December 2025
Today Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 near noon and to 3 to 5 this evening. Seas building to 5 to 7 Friday afternoon.

Extended Forecast

Issued 03:00 AM NST 11 December 2025
Saturday Wind southwest 35 to 45 knots veering to west 25 to 35 in the afternoon.
Sunday Wind southwest 15 to 20 knots backing to southeast 15.
Monday Wind northeast 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EST 10 December 2025 Today Tonight and Thursday Ice free. 

[ 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 10 December 2025 Today Tonight and Thursday

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 4949N 6317W to
4946N 5954W to 5106N 5804W to Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 1:30 PM EST 10 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Dec estimated from Newfoundland near
4730N 5239W to 4745N 5030W to 5230N 5000W to 5945N 5730W to 6155N
5330W to 6005N 4945W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Southwest Coast

Issued 03:09 AM NST 11 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NST 11 December 2025 Today Tonight and Friday At 3:00 a.m. NST today deepening low 988 mb located west of the
Maritimes.
By 3:00 a.m. NST Friday low 977 mb located over eastern Belle
Isle Bank.

At 3:00 a.m. NST Friday approaching trough from 977 mb low located
on a line east-west over the Quebec Lower North Shore.

At 3:00 a.m. NST today ridge located on a line northwest-southeast
over Funk Island Bank.
By 10:00 a.m. NST today departing ridge located east of Funk
Island Bank.

Marine Weather Statement

Issued 3:04 AM NST 11 December 2025 A deepening low pressure system will approach the district from the
west this morning and track across the Gulf waters today. Strong to
gale force northeasterlies will develop over Gulf waters this
morning, and strong to gale force southwesterlies will develop over
southern waters today before diminishing tonight.

Meanwhile, a trough will develop in the wake of the low Friday night
over the Quebec Lower North Shore. Strong to gale force
southwesterlies to the south of the trough will spread over most
waters on Friday.

Marine interests are advised that gale warnings are in effect for all
waters except the Strait of Belle Isle, Gulf - Port au Port -
southeastern half, Northeast Coast - north of Cape St. John, and
Belle Isle Bank.

Marine interests are also advised that a freezing spray warning is in
effect for Belle Isle Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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