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Anticosti

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 09 December 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind west 25 to 35 knots becoming west 25 this evening then backing to southwest 20 early Wednesday morning except light over northwestern sections. Wind diminishing to light Wednesday afternoon.

Flurries ending Wednesday afternoon. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending overnight.

Temperatures near minus 5.

Waves

Issued 05:00 AM AST 09 December 2025
Today Tonight and Wednesday. Seas 3 to 4 metres subsiding to 2 to 3 this evening and to 1 to 2 overnight. Seas subsiding to 1 or less Wednesday afternoon.

Extended Forecast

Issued 03:00 AM AST 09 December 2025
Thursday Wind southeast 35 knots diminishing to west 25 in the afternoon.
Friday Wind west 35 knots.
Saturday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EST 8 December 2025 Today Tonight and Tuesday Open water except 2 tenths new 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:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 8 December 2025 Today Tonight and Tuesday

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 4546N 6254W to 4558N
6310W to Prince Edward Island near 4558N 6250W. Sea ice west of the
ice edge.

Third ice edge estimated from Prince Edward Island near 4630N 6319W
to 4741N 6431W to 4827N 6402W 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 Quebec near 5125N 5736W. Sea ice north of the ice
edge.

Ice Coverage

Open water except 2 tenths new ice along parts of the coasts.

 

Iceberg Bulletin

Issued 1:30 PM EST 8 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 9 Dec estimated from Newfoundland near
4800N 5300W to 4800N 5200W to 4830N 5100W to 5300N 5030W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti

Issued 10:00 AM AST 09 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

Anticosti

Issued 10:00 AM AST 09 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 10:00 AM AST 9 December 2025 Today Tonight and Wednesday At 10:00 a.m. AST today departing low 962 mb located northeast
of Newfoundland.

At 10:00 a.m. AST today ridge located over New England.
By 8:00 p.m. AST tonight ridge located over the southwestern
Marine District.

At 8:00 p.m. AST tonight approaching trough located over New
England.

Marine Weather Statement

Issued 9:46 AM AST 9 December 2025 A low pressure system northeast of Newfoundland will continue to pull
further away today. Strong to gale force northwesterlies will
diminish in the wake of the low.

A trough of low pressure will approach tonight and cross the marine
district Wednesday. Strong to potentially gale force southwesterlies
will develop ahead of this feature.

Marine interests are advised that gale warnings are in effect for
Cabot Strait, Gulf-Magdalen - northern half and Anticosti.

Freezing spray warnings are in effect for Fourchu, Cabot Strait, and
all Gulf of St. Lawrence waters.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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