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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 22 January 2026

Today Tonight and Friday.

Gale warning in effect.

Wind light increasing to south 15 to 20 knots near noon and to southwest 25 to 30 early this evening. Wind increasing to west 35 near midnight then diminishing to west 20 to 25 early Friday morning. Wind increasing to west 30 Friday evening.

Snow changing to scattered showers this evening and ending this evening. Flurries Friday evening. Visibility 1 mile or less in snow.

Risk of freezing spray Friday late in the day.

Temperatures minus 4 rising to plus 2 this evening then falling to minus 3 Friday evening.

Waves

Issued 05:00 AM AST 22 January 2026

Cabot Strait - northern half

Today Tonight and Friday. Seas 2 to 3 metres subsiding to 1 to 2 early this morning then building to 2 to 3 near midnight.

Cabot Strait - southern half

Today Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 this afternoon then subsiding to 1 to 2 late this evening.

Extended Forecast

Issued 03:00 AM AST 22 January 2026
Saturday Wind northwest 40 knots.
Sunday Wind northwest 40 knots.
Monday Wind northwest 25 knots diminishing to light late in the day.

Ice Forecast

Issued 10:00 AM EST 22 January 2026 Today Tonight and Friday Open water. Consolidated grey-white ice in a few sheltered bays. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EST 22 January 2026 Today Tonight and Friday

Ice Edge

First ice edge estimated from New Brunswick near 4532N 6507W to Nova
Scotia near 4500N 6510W. Sea ice east of the ice edge.

Second ice edge estimated from Nova Scotia near 4435N 6327W to 4432N
6251W to 4539N 5917W to 4704N 6000W to 4822N 6159W to 5039N 5807W to
4759N 5937W to Newfoundland near 4738N 5919W. Sea ice northwest then
east of the ice edge.

Ice Coverage

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

 

Iceberg Bulletin

Issued 1:30 PM EST 21 January 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 Jan estimated from Newfoundland near
4938N 5600W to 5000N 5130W to 5100N 4800W to 5215N 4800W to 5945N
5730W to 6145N 5155W to 5930N 4750W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait

Issued 10:00 AM AST 22 January 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 10:00 AM AST 22 January 2026 Today Tonight and Friday At 10:00 a.m. AST today trough located from the Bay of Fundy to
the Gulf of Maine.
By 8:00 p.m. AST tonight departing trough located from Newfoundland
to East Scotian Slope.

At 3:00 a.m. AST Friday trough located northwest of the Marine
District.
By 8:00 p.m. AST Friday trough located on a line northeast-southwest
over the Maritimes.

Marine Weather Statement

Issued 9:29 AM AST 22 January 2026 A trough of low pressure will track eastward across the marine
district today. Strong to gale force southwesterlies are forecast
ahead of the trough with strong to possibly gale force winds expected
in its wake tonight and Friday.

Marine interests are advised that gale warnings are in effect for
Georges Bank, southwestern shore, LaHave Bank,
West Scotian Slope, eastern shore, Sable, East Scotian Slope,
Fourchu, Banquereau, Laurentian Fan and Cabot Strait.

Marine interests are advised that freezing spray warnings are in
effect for all Gulf of St. Lawrence waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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