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Cabot Strait

Forecast

Marine Forecast

Issued 10:00 AM ADT 15 October 2026

Today Tonight and Friday.

Gale warning in effect.

Wind northwest 35 knots increasing to northwest 45 this afternoon then diminishing to northwest 35 near midnight. Wind diminishing to northwest 25 early Friday morning and to northwesterly 15 near noon Friday. Wind increasing to south 20 Friday evening.

Showers ending this evening.

Waves

Issued 05:00 AM ADT 15 October 2026
Today Tonight and Friday. Seas 2 to 3 metres building to 3 to 5 this morning then subsiding to 2 to 3 Friday morning. Seas subsiding to 1 to 2 near noon Friday.

Extended Forecast

Issued 03:00 AM ADT 15 October 2026
Saturday Wind southerly 35 knots veering to west 25 to 35 in the afternoon then becoming northwest 25 late in the day.
Sunday Wind northwest 25 knots backing to westerly 30.
Monday Wind light increasing to south 15 to 20 knots.

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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 14 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 Oct estimated from Newfoundland near
4903N 5337W to 5130N 5015W to 5315N 5015W to 6000N 5800W to 6125N
5445W to 6000N 5000W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait

Issued 10:00 AM ADT 15 October 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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 15 October 2026 Today Tonight and Friday At 10:00 a.m. ADT today deepening low 989 mb located over
Newfoundland.
By 3:00 a.m. ADT Friday low 979 mb located northeast of
Newfoundland.

At 8:00 p.m. ADT tonight ridge located on a line north-south over
New England.
By 8:00 p.m. ADT Friday departing ridge located southeast of the
Marine District.

At 8:00 p.m. ADT Friday approaching low 996 mb located over Maine.

Marine Weather Statement

Issued 9:40 AM ADT 15 October 2026 A low pressure system over Newfoundland will continue to track
northeastward to lie northeast of Newfoundland by this evening.
Strong to gale force south to southeast winds ahead of the low will
shift to strong to gale force northwesterlies in its wake.

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

Atlantic - Maritimes Area

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