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Anticosti - southeastern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 05 May 2025

Tonight and Tuesday.

Strong wind warning in effect.

Wind light increasing to southwest 15 knots near midnight and to southwest 20 to 25 Tuesday morning.

Waves

Issued 05:00 PM ADT 05 May 2025
Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less near midnight then building to 1 to 2 Tuesday evening.

Extended Forecast

Issued 03:30 PM ADT 05 May 2025
Wednesday Wind south 25 knots becoming northeast 25 late in the day.
Thursday Wind northerly 25 knots.
Friday Wind northerly 15 knots diminishing to light.

Ice Forecast

Anticosti - northeastern half

Issued 10:00 AM EDT 5 May 2025 Today Tonight and Tuesday Bergy water except consolidated rotten first-year ice in a few bays. 

Anticosti - southwestern half

Issued 10:00 AM EDT 5 May 2025 Today Tonight and Tuesday 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

Anticosti - northeastern half

Issued 10:00 AM EDT 5 May 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Quebec near 5012N 6037W to 4957N 6013W to
5042N 5828W to 5042N 5725W to to Newfoundland near 5014N 5736W. Sea
ice north of the ice edge.

Ice Coverage

Bergy water except consolidated rotten first-year ice in a few bays.

Ice Forecasts

Anticosti - southwestern half

Issued 10:00 AM EDT 5 May 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Quebec near 5012N 6037W to 4957N 6013W to
5042N 5828W to 5042N 5725W to to Newfoundland near 5014N 5736W. Sea
ice north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:40 PM EDT 5 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 May estimated from Newfoundland near
4723N 5503W to 4110N 5115W to 4135N 4725W to 4520N 3255W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 6 May estimated from Quebec near
5015N 6122W to Newfoundland near 4739N 5915W.

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 - southeastern half

Issued 8:00 PM ADT 05 May 2025

'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 8:00 PM ADT 5 May 2025 Tonight and Tuesday At 8:00 p.m. ADT tonight ridge from 1033 mb high located over
the Maritimes.
By 3:30 p.m. ADT Tuesday ridge from 1035 mb high located over the
southeastern Marine District.

At 8:00 p.m. ADT Tuesday approaching low 1010 mb located over
southern Ontario.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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