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Cabot Strait

Forecast

Marine Forecast

Issued 03:30 PM AST 18 January 2026

Tonight and Monday.

Gale warning in effect.

Wind light increasing to northeast 25 knots late overnight and to northwest 35 Monday morning. Wind diminishing to northwest 25 Monday afternoon and to southwest 15 Monday evening.

Snow overnight and Monday. Visibility 1 mile or less in snow.

Temperatures plus 1 rising to plus 6 Monday morning then falling to zero Monday afternoon.

Waves

Issued 05:00 AM AST 18 January 2026
Today Tonight and Monday. Seas 2 to 3 metres subsiding to 1 to 2 this afternoon then building to 2 to 3 Monday morning.

Extended Forecast

Issued 03:30 PM AST 18 January 2026
Tuesday Wind southwest 30 knots.
Wednesday Wind west 35 knots.
Thursday Wind west 30 knots diminishing to south 20.

Ice Forecast

Issued 10:00 AM EST 18 January 2026 Today Tonight and Monday Open water. Consolidated grey 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 Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 18 January 2026 Today Tonight and Monday

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 18 January 2026

Iceberg Limit

Iceberg limit at 0000 UTC 19 Jan estimated from Newfoundland near
4952N 5545W to 5015N 5200W to 5145N 4830W to 5300N 4845W to 5945N
5730W to 6145N 5155W to 5900N 4735W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait

Issued 3:30 PM AST 18 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 3:30 PM AST 18 January 2026 Tonight and Monday At 8:00 p.m. AST tonight intensifying low 1002 mb located southwest
of Georges Bank.
By 3:30 p.m. AST Monday low 976 mb located over eastern
Newfoundland.

At 3:30 p.m. AST Monday approaching trough located over the Gulf
of Maine.

Marine Weather Statement

Issued 3:14 PM AST 18 January 2026 A developing low pressure system will approach the marine district
from the southwest tonight. The low will intensify as it tracks
northeastward to the south of Nova Scotia Monday morning to lie over
Newfoundland Monday afternoon. Winds will increase to strong to gale
force northeasterlies north of the low's track and gale to storm
force southwesterlies south of the low's track.

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

Atlantic - Newfoundland Area

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