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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 11 September 2026

Tonight and Saturday.

Strong wind warning in effect.

Wind westerly 30 knots with gusts to 40 in the Honguedo Strait. Wind diminishing to northwest 25 near midnight then veering to north 15 to 20 early Saturday morning. Wind diminishing to light near noon Saturday then increasing to southerly 15 to 20 Saturday evening.

Waves

Issued 05:00 PM ADT 11 September 2026

Anticosti - northwestern half

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

Anticosti - southeastern half

Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 Saturday morning and to 1 or less Saturday evening.

Extended Forecast

Issued 03:30 PM ADT 11 September 2026
Sunday Wind southwest 25 knots.
Monday Wind south 25 knots increasing to northwest 30.
Tuesday Wind northwest 20 knots diminishing to south 15.

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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 11 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Sep estimated from Newfoundland near
4930N 5510W to 5500N 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 3:30 PM ADT 11 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 11 September 2026 Tonight and Saturday At 8:00 p.m. ADT tonight departing low 985 mb located over
Labrador Sea.

At 8:00 p.m. ADT tonight building ridge located near the Great
Lakes.
By 8:00 p.m. ADT Saturday ridge located on a line north-south over
the Marine District.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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