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Anticosti

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 12 September 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind southerly 15 to 20 knots increasing to south 20 to 25 late overnight then veering to southwest 25 near noon Sunday except southwest 15 over northwestern sections.

Waves

Issued 05:00 PM ADT 12 September 2026

Anticosti - northwestern half

Tonight and Sunday. Seas 1 metre or less building to 1 to 2 Sunday morning.

Anticosti - southeastern half

Tonight and Sunday. Seas 1 metre or less building to 1 to 2 late overnight and to 2 to 3 Sunday evening.

Extended Forecast

Issued 03:30 PM ADT 12 September 2026
Monday Wind south 25 knots increasing to northwest 30 in the afternoon.
Tuesday Wind northwest 20 knots diminishing to south 15.
Wednesday Wind southwest 15 to 20 knots veering to westerly 20.

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

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 12 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Sep estimated from Newfoundland near
4930N 5510W to 5445N 5145W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti

Issued 8:00 PM ADT 12 September 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.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 12 September 2026 Tonight and Sunday At 8:00 p.m. ADT tonight ridge located over the southern Marine
District.
By 3:00 a.m. ADT Sunday departing ridge located over the eastern
Marine District.

At 3:00 a.m. ADT Sunday trough located from Quebec to the Great
Lakes.
By 8:00 p.m. ADT Sunday trough located from Labrador to Cape Cod.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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