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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 12 April 2026

Today Tonight and Monday.

Gale warning in effect.

Wind northwest 35 knots diminishing to northwest 25 early this evening and to light Monday morning. Wind increasing to south 20 to 25 Monday afternoon.

Flurries ending this afternoon. Flurries and showers and mist Monday evening. Visibility as low as 1 mile in precipitation and in mist.

Temperatures near zero.

Waves

Issued 05:00 AM ADT 12 April 2026
Today Tonight and Monday. Seas 2 to 3 metres building to 4 to 6 this morning then subsiding to 2 to 3 this evening. Seas subsiding to 1 to 2 late overnight and to 1 Monday morning.

Extended Forecast

Issued 03:00 AM ADT 12 April 2026
Tuesday Wind south 20 knots diminishing to northwesterly 15 in the morning.
Wednesday Wind north 15 knots diminishing to light.
Thursday Wind south 30 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 11 April 2026 Today Tonight and Sunday Open water. Consolidated rotten grey-white 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
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 11 April 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Cape Breton Island near 4607N 5949W to 4606N
5926W to 4712N 5933W to Newfoundland near 4753N 5924W. Sea ice west
of the ice edge.

Ice Coverage

Open water. Consolidated rotten grey-white ice in a few sheltered
bays.

 

Iceberg Bulletin

Issued 2:30 PM EDT 11 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Apr estimated from Newfoundland near
4655N 5400W to 4510N 5245W to 4505N 4650W to 4620N 4255W to 5000N
4425W to 5305N 4755W to 5900N 5600W to 6015N 5245W to 5735N 4735W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait - southern half

Issued 03:00 AM ADT 12 April 2026

'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 3:00 AM ADT 12 April 2026 Today Tonight and Monday At 3:00 a.m. ADT today departing low 1004 mb located over western
Newfoundland.

At 3:30 p.m. ADT today approaching ridge located west of the
Marine District.

At 8:00 p.m. ADT Monday approaching low 1000 mb located near the
St. Lawrence River.

Marine Weather Statement

Issued 2:33 AM ADT 12 April 2026 A low pressure system over Western Newfoundland will continue to pull
away from the marine district with a building ridge behind. Strong to
gale force northwesterlies will continue over eastern waters today in
the wake of the low.

Marine interests are advised that gale warnings are in effect for
Fourchu, Banquereau, Laurentian Fan, Cabot Strait, Gulf-Magdalen -
northeastern half, and Anticosti.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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