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Cabot Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 20 April 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southeast 25 knots with gusts to 45 in the Wreckhouse area. Wind becoming northwest 30 near noon then diminishing to northwest 15 near midnight. Wind veering to north 15 Tuesday evening.

Periods of rain and fog patches ending near noon.

Temperatures plus 5 falling to minus 1 Tuesday morning.

Waves

Issued 05:00 AM ADT 20 April 2026
Today Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 late this afternoon.

Extended Forecast

Issued 03:00 AM ADT 20 April 2026
Wednesday Wind north 20 knots.
Thursday Wind northwest 25 knots.
Friday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 20 April 2026 Today Tonight and Tuesday Open water. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 20 April 2026 Today Tonight and Tuesday

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.

 

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

Cabot Strait - northern half

Issued 10:00 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 10:00 AM ADT 20 April 2026 Today Tonight and Tuesday At 10:00 a.m. ADT today trough located from the Quebec Lower North
Shore to East 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 9:51 AM ADT 20 April 2026 A trough of low pressure located from the Quebec Lower North Shore to
East Scotian Slope this morning will continue to track eastward to
lie east of the marine district by this evening. Strong to gale force
northwesterlies in its wake will ease this evening.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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