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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 26 October 2026

Today Tonight and Tuesday.

Gale warning in effect.

Wind southwest 20 to 25 knots veering to west 25 this morning then to northwest 25 this evening. Wind increasing to northwest 35 Tuesday afternoon.

Waves

Issued 05:00 AM ADT 26 October 2026
Today Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to 4 Tuesday morning.

Extended Forecast

Issued 03:00 AM ADT 26 October 2026
Wednesday Wind northwest 30 knots diminishing to northwest 20 in the morning.
Thursday Wind northwest 20 knots backing to southwest 25.
Friday Wind west 15 knots increasing to northwest 25 late in the day.

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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 25 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 26 Oct estimated from Newfoundland near
5030N 5630W to 5030N 5500W to 5200N 5245W to 5500N 5215W to 6000N
5800W to 6125N 5445W to 5855N 4515W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait

Issued 03:00 AM ADT 26 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 3:00 AM ADT 26 October 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today departing ridge located over the southern
Marine District.

At 3:00 a.m. ADT today trough located over Quebec.
By 3:00 a.m. ADT Tuesday trough located from Newfoundland to
Georges Bank.

At 8:00 p.m. ADT Tuesday approaching high located over Quebec.

Marine Weather Statement

Issued 2:39 AM ADT 26 October 2026 A trough of low pressure approaching from Quebec will track
southeastward across the Gulf of St. Lawrence on Tuesday, bringing
strong to gale force northwesterlies to the north and eastern
portions of the gulf through much of the day.

Marine interests are advised that gale warnings are in effect for
Cabot Strait, Gulf - Magdalen - northeastern half, and Anticosti -
southwestern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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