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Anticosti - northeastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 20 April 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind south 30 knots veering to west 30 this morning then diminishing to west 20 near midnight. Wind diminishing to variable 10 to 15 overnight then becoming light Tuesday morning.

Rain early this morning becoming snow or rain and ending this morning. Fog patches dissipating this morning.

Temperatures near minus 2.

Waves

Issued 05:00 PM ADT 19 April 2026

Anticosti - eastern half

Tonight and Monday. Seas 2 to 3 metres.

Anticosti - western half

Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 late overnight.

Extended Forecast

Issued 03:00 AM ADT 20 April 2026
Wednesday Wind light.
Thursday Wind light becoming northwest 15 knots late in the day.
Friday Wind north 20 knots.

Ice Forecast

Issued 10:00 AM EDT 19 April 2026 Today Tonight and Monday Open water. Consolidated rotten first-year ice in a few sheltered bays. 

[ 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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 April 2026 Today Tonight and Monday

Ice Edge

First ice edge estimated from Cape Breton Island near 4702N 6025W to
4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.

Second ice edge estimated from Quebec near 4920N 6722W to 5005N
6600W to 4945N 6015W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water. Consolidated rotten first-year ice in a few sheltered
bays.

 

Iceberg Bulletin

Issued 2:30 PM EDT 19 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Apr estimated from Newfoundland near
4655N 5400W to 4435N 5200W to 4415N 4710W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti - northeastern half

Issued 03:00 AM ADT 20 April 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 3:00 AM ADT 20 April 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located from Anticosti Island to
West Scotian Slope.
By 8:00 p.m. ADT tonight departing trough located east of the
Marine District.

At 8:00 p.m. ADT tonight building ridge located over the western
Marine District.
By 8:00 p.m. ADT Tuesday ridge located over the Maritimes.

Marine Weather Statement

Issued 2:59 AM ADT 20 April 2026 A trough of low pressure located from Anticosti to East Scotian Slope
at forecast time will continue to track eastward to lie east of the
marine district by this evening. Strong to gale force southerly winds
ahead of the trough shift to strong to gale force northwesterlies in
its wake.

Marine interests are advised that a gale warning is in effect for
Anticosti - southwestern half.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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