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Cabot Strait

Forecast

Marine Forecast

Issued 08:00 PM ADT 11 October 2026

Tonight and Monday.

Strong wind warning in effect.

Wind west 20 to 25 knots backing to southwest 25 late this evening then increasing to northeast 30 Monday afternoon.

Showers Monday late in the day.

Waves

Issued 05:00 PM ADT 11 October 2026
Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 Monday morning.

Extended Forecast

Issued 03:30 PM ADT 11 October 2026
Tuesday Wind northeast 25 knots diminishing to light in the afternoon.
Wednesday Wind southeast 15 knots increasing to southeast 35.
Thursday Wind southeast 35 knots increasing to northwest 40 late in the day.

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Weather Conditions

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Map of Atlantic - Maritimes marine weather areas Baie-Comeau Airport Halifax Harbour - 44258 West Chedabucto Bay – 44489 North Cape Winterland Branch Hill Summerside Wreckhouse East Scotia Slope - 44137 Stephenville St. Lawrence Burgeo Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Banquereau - 44139 Sept-Îles Airport Port aux Basques LaHave Bank - 44150 Sagona Island Mont-Joli Airport Beaver Island Baccaro Point St. Stephen Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Îles de la Madeleine Airport Miscou Island La Pocatière Kouchibouguac Cap-d'Espoir Grand Manan New Carlisle Fundy Park (Alma) Pointe-au-Père Miramichi Port Menier Charlo Île Bicquette Bathurst Airport Cap-Chat Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Pointe-des-Monts 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 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 11 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Oct estimated from Newfoundland near
4925N 5400W to 5045N 5230W to 5330N 5045W to 5415N 5045W to 6000N
5800W to 6050N 5615W to 5945N 5340W to 6000N 5000W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 8:00 PM ADT 11 October 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.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 11 October 2026 Tonight and Monday At 8:00 p.m. ADT tonight ridge located on a line northwest-southeast
over the southwestern Marine District.
By 3:30 p.m. ADT Monday ridge located over the eastern Marine
District.

At 3:00 a.m. ADT Monday low 1000 mb located over the southwestern
Marine District.
By 8:00 p.m. ADT Monday low 992 mb located over Laurentian Fan.

Marine Weather Statement

Issued 7:48 PM ADT 11 October 2026 A low pressure system will track across the southern slope waters on
Monday. Strong to gale force southerlies will switch to strong to
near gale force northeasterlies in its wake on Tuesday.

Marine interests are advised that gale warnings are in effect for
Georges Bank - southern half, West Scotian Slope - southern half,
East Scotian Slope - southern half and Laurentian Fan - southern
half.

Outlook for the start-up of the Upper Bay of Fundy lobster fishery.

Monday...Winds southwest 25 knots diminishing to light mid-day and
then to northeast 25 in the evening. Choppy sea conditions in the
evening when winds will be running against the rising tide.
Tuesday...Winds northeast 25 knots diminishing to east 10 to 15 knots
near noon then increasing to southeast 20 near midnight. Choppy sea
conditions in the morning when winds will run against the rising
tide.
Wednesday...Winds southeast 25 knots becoming southwest 25
Knots in the afternoon then to northwest 25 in the evening. Choppy
sea conditions late in the day when winds will be running against the
ebbing tide.

Atlantic - Maritimes Area

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