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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 20 January 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 35 knots diminishing to southwest 30 early this afternoon then increasing to west 45 near midnight except west 35 over southern sections. Wind diminishing to west 30 Wednesday evening.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray beginning near midnight.

Temperatures plus 2 falling to minus 8 Wednesday morning.

Waves

Issued 05:00 AM AST 20 January 2026
Today Tonight and Wednesday. Seas 2 to 3 metres building to 3 to 5 near midnight.

Extended Forecast

Issued 03:00 AM AST 20 January 2026
Thursday Wind west 30 knots diminishing to south 20 in the afternoon.
Friday Wind west 25 knots.
Saturday Wind west 30 knots increasing to northwest 35.

Ice Forecast

Issued 10:00 AM EST 20 January 2026 Today Tonight and Wednesday Open water. Consolidated grey 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 20 January 2026 Today Tonight and Wednesday

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 4825N 6224W 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 ice in a few sheltered bays.

 

Iceberg Bulletin

Issued 1:30 PM EST 20 January 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Jan estimated from Newfoundland near
4952N 5545W to 5015N 5200W to 5115N 4815W to 5245N 4815W 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 20 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.

Freezing spray warning in effect

Cabot Strait

Issued 10:00 AM AST 20 January 2026

Moderate or severe freezing spray is 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 AST 20 January 2026 Today Tonight and Wednesday At 10:00 a.m. AST today low 994 mb located over western Labrador.
By 3:30 p.m. AST today intensifying low 994 mb located over
Labrador.

At 3:00 a.m. AST Wednesday quasi-stationary low 981 mb located
off Labrador Coast.

At 3:00 a.m. AST Wednesday approaching ridge located southwest of
the Marine District.

Marine Weather Statement

Issued 9:47 AM AST 20 January 2026 A broad low pressure system centered over Western Labrador this
morning will intensify as it moves northeast to lie off of the
Labrador coast late tonight then remain generally stationary
Wednesday. Gale to near storm force southwest winds are expected
south and west of this low.

Marine interests are advised that gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, Fourchu,
Banquereau, Cabot Strait, and all Gulf of St. Lawrence waters.

Marine interests are advised that freezing spray warnings are in
effect for Fundy, Grand Manan, southwestern shore, eastern shore,
Fourchu, Banquereau - northwestern half, Cabot Strait, and all Gulf
of St. Lawrence waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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