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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 18 July 2025

Tonight and Saturday.

Gale warning in effect.

Wind westerly 35 knots with gusts to 45 in the Honguedo Strait. Wind diminishing to west 25 late this evening and to westerly 15 to 20 early Saturday morning.

Waves

Issued 05:00 PM ADT 18 July 2025

Anticosti - eastern half

Tonight and Saturday. Seas 2 to 3 metres building to 3 to 4 early this evening then subsiding to 2 to 3 after midnight. Seas subsiding to 1 to 2 early Saturday morning and to 1 or less Saturday afternoon.

Anticosti - western half

Tonight and Saturday. Seas 3 to 4 metres subsiding to 2 to 3 near midnight and to 1 to 2 early Saturday morning. Seas subsiding to 1 or less Saturday afternoon.

Extended Forecast

Issued 03:30 PM ADT 18 July 2025
Sunday Wind southwesterly 10 to 15 knots.
Monday Wind northwest 15 to 20 knots increasing to northwest 20 to 25.
Tuesday Wind northwest 20 to 25 knots.

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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 EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 18 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 19 Jul estimated from Newfoundland near
4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti

Issued 3:30 PM ADT 18 July 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 3:30 PM ADT 18 July 2025 Tonight and Saturday At 3:30 p.m. ADT today low 990 mb located over Labrador.
By 10:00 a.m. ADT Saturday departing low 983 mb located over
Labrador Sea.

At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 10:00 a.m. ADT Saturday ridge located over the southern Marine
District.

Marine Weather Statement

Issued 3:12 PM ADT 18 July 2025 A low pressure system over Labrador will continue to intensify as is
tracks northeastward tonight departing the region. Strong to gale
force westerlies over Gulf of St. Lawrence waters will diminish this
evening.

Marine interests are advised that gale warnings are in effect for
Chaleur - Miscou, Gulf - Magdalen and Anticosti.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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