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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 12 April 2026

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 and showers and fog patches Monday evening.

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 03:30 PM 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 southeast 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 12 April 2026 Today Tonight and Monday 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
Legend:
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 April 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Cape Breton Island near 4607N 5949W to 4631N
5919W to 4844N 6156W to 4919N 6025W to Newfoundland near 4753N
5924W. Sea ice west then northeast 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 12 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 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 3:30 PM 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 3:30 PM ADT 12 April 2026 Tonight and Monday At 3:30 p.m. ADT today low 997 mb located over eastern Newfoundland.
By 8:00 p.m. ADT tonight low 992 mb located east of Newfoundland.

At 3:30 p.m. ADT today ridge located west of the Marine District.
By 10:00 a.m. ADT Monday departing ridge located over the
southeastern Marine District.

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

Marine Weather Statement

Issued 3:24 PM ADT 12 April 2026 A low pressure system over Eastern Newfoundland will pull away from
the marine district by tonight. Strong to gale force northwesterlies
will continue over eastern waters will diminish this evening.

Marine interests are advised that gale warnings are in effect for
Fourchu, Banquereau, Laurentian Fan, Cabot Strait.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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