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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 11 April 2026

Today Tonight and Sunday.

Gale warning in effect.

Wind southerly 15 knots increasing to west 25 this evening and to northwest 35 overnight. Wind diminishing to northwest 25 Sunday evening.

Scattered showers beginning this afternoon changing to flurries this evening and ending Sunday afternoon. Fog patches dissipating this evening.

Temperatures near zero.

Waves

Issued 05:00 AM ADT 11 April 2026
Today Tonight and Sunday. Seas 1 to 2 metres building to 2 to 3 near midnight and to 4 to 6 Sunday morning. Seas subsiding to 2 to 3 Sunday evening.

Extended Forecast

Issued 03:00 AM ADT 11 April 2026
Monday Wind light increasing to south 20 knots in the afternoon.
Tuesday Wind south 20 knots diminishing to northwesterly 15.
Wednesday Wind north 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 10 April 2026 Today Tonight and Saturday Open water. Consolidated rotten grey-white ice along parts of the Cape Breton Island coast. 

[ 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 10 April 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Nova Scotia near 4520N 6059W to 4547N 5924W
to 4712N 5933W to Newfoundland near 4753N 5924W. Sea ice west of the
ice edge.

Ice Coverage

Open water. Consolidated rotten grey-white ice along parts of the
Cape Breton Island coast.

 

Iceberg Bulletin

Issued 2:30 PM EDT 10 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Apr estimated from Newfoundland near
4655N 5400W to 4535N 5245W to 4545N 4655W to 4640N 4355W 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 11 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 11 April 2026 Today Tonight and Sunday At 3:00 a.m. ADT today intensifying low 1014 mb located over
New Brunswick.
By 3:00 a.m. ADT Sunday low 1001 mb located over western
Newfoundland.

At 8:00 p.m. ADT Sunday departing low located northeast of
Newfoundland.

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

Marine Weather Statement

Issued 2:49 AM ADT 11 April 2026 A low pressure system over New Brunswick this morning will slowly
intensify as it moves east to lie over Western Newfoundland tonight.
Strong to gale force northwesterlies will develop over northeastern
waters tonight 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 and
Anticosti.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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