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Forecast

Marine Forecast

Issued 10:00 AM AST 10 December 2025

Today Tonight and Thursday.

Wind southwest 15 knots increasing to southwest 25 to 30 early this afternoon then diminishing to variable 10 to 15 early this evening. Wind increasing to southeast 20 late overnight then veering to southerly 25 Thursday morning. Wind diminishing to southwest 15 Thursday evening.

Showers or scattered flurries ending this evening. Periods of rain Thursday.

Waves

Issued 05:00 AM AST 10 December 2025
Today Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to 4 Thursday evening.

Extended Forecast

Issued 03:00 AM AST 10 December 2025
Friday Wind west 40 knots.
Saturday Wind west 35 knots diminishing to west 25.
Sunday Wind west 15 knots increasing to southeast 25.

Ice Forecast

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

[ 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 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 10 December 2025 Today Tonight and Thursday At 10:00 a.m. AST today trough located south of Georges Bank.
By 3:00 a.m. AST Thursday trough located east of the Marine
District.

At 8:00 p.m. AST tonight low 990 mb located over southern Ontario.
By 3:30 p.m. AST Thursday low 986 mb located over the northern
Gulf of St. Lawrence.

Marine Weather Statement

Issued 9:37 AM AST 10 December 2025 A trough of low pressure will track northeastward across the southern
marine district today. Strong to gale force southerly winds will
develop ahead of this feature.

A low pressure system developing over Southern Ontario will track
across New Brunswick Thursday morning to lie over Northern Gulf of
St. Lawrence waters Thursday afternoon. Strong to gale force easterly
winds are forecast ahead of the low. Strong to gale force westerly
winds are expected south of the low late in the day Thursday.

Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, southwestern shore,
LaHave Bank, West Scotian Slope, East Scotian Slope, Laurentian Fan
and Anticosti - northwestern half.

Additionally, a freezing spray warning is in effect Anticosti.

Atlantic - Newfoundland Area

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