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Anticosti - western half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 12 May 2026

Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 25 knots diminishing to north 15 after midnight then increasing to westerly 20 to 25 early Wednesday morning.

Waves

Issued 05:00 PM ADT 12 May 2026
Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less early Wednesday morning then building to 1 to 2 near noon Wednesday.

Extended Forecast

Issued 03:30 PM ADT 12 May 2026
Thursday Wind west 20 knots backing to southerly 15 in the morning.
Friday Wind southerly 15 knots.
Saturday Wind variable 10 to 15 knots increasing to north 20.

Ice Forecast

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport Eskasoni (First Nations) Grand Étang St. Lawrence St. John's Int'l Airport St. Anthony Airport Ingonish Beach Sagona Island Port aux Basques La Scie North Mountain Ferolle Point Twillingate Daniel's Harbour St.Paul Island Corner Brook Cape Race J.A. Douglas McCurdy Sydney Airport Burgeo West Chedabucto Bay – 44489 Bonavista Berry Hill Charlottetown Airport Argentia East Point North Cape Long Pond Banquereau - 44139 Îles de la Madeleine Airport Miscou Island Cartwright Airport Cap Whittle Blanc-Sablon Airport Natashquan Airport East Chedabucto Bay – 44488 Marticot Island Pool's Island Mary's Harbour Grates Cove Chevery
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Open water.

 

Iceberg Bulletin

Issued 3:29 PM EDT 12 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 6000N 5300W to 5840N 4940W to
5755N 4530W then northeastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
western iceberg limit.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - western half

Issued 3:30 PM ADT 12 May 2026

'Strong' winds of 20 to 33 knots are 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 3:30 PM ADT 12 May 2026 Tonight and Wednesday At 3:30 p.m. ADT today deepening low 1001 mb located over
northwestern Banquereau.
By 3:30 p.m. ADT Wednesday departing low 988 mb located north
of Newfoundland.

At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 8:00 p.m. ADT Wednesday ridge located from the Gaspe Peninsula
to West Scotian Slope.

Marine Weather Statement

Issued 3:19 PM ADT 12 May 2026 A deepening low pressure system over Northwestern Banquereau will
move northeast to lie north of Newfoundland by Wednesday afternoon.
Strong to gale force west to northwesterlies will develop later this
evening in the wake of the low.

Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan - eastern half, and Cabot Strait.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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