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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 13 October 2026

Tonight and Wednesday.

Gale warning in effect.

Wind northwest 15 knots diminishing to light this evening then increasing to south 15 Wednesday morning. Wind increasing to southeast 25 near noon Wednesday and to southeast 35 Wednesday evening.

Rain Wednesday late in the day.

Waves

Issued 05:00 AM ADT 13 October 2026
Today Tonight and Wednesday. Seas 3 metres subsiding to 2 this morning and to 1 this evening. Seas building to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:30 PM ADT 13 October 2026
Thursday Wind southwest 25 knots increasing to northwest 35 to 45 in the morning.
Friday Wind northwest 30 knots diminishing to variable 15.
Saturday Wind southeast 40 knots diminishing to northwest 30.

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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 13 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 14 Oct estimated from Newfoundland near
4918N 5337W to 5200N 5030W to 5330N 5030W 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 - southern half

Issued 3:30 PM ADT 13 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 3:30 PM ADT 13 October 2026 Tonight and Wednesday At 3:30 p.m. ADT today ridge located over the Maritimes.
By 3:30 p.m. ADT Wednesday ridge located over the southeastern
Grand Banks.

At 3:00 a.m. ADT Wednesday low 1005 mb located over southern Quebec.
By 3:30 p.m. ADT Wednesday low 1003 mb located over southern
New Brunswick.

Marine Weather Statement

Issued 3:21 PM ADT 13 October 2026 A low pressure system will track across the Maritimes on Wednesday.
Strong to gale force southerly to southeasterly winds will develop
ahead of the low.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, Fourchu, Banquereau, Laurentian Fan, Cabot
Strait, Northumberland Strait - eastern half, and Gulf - Magdalen.

Atlantic - Maritimes Area

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Marine Weather for Canada

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