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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 13 September 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind south 20 to 25 knots increasing to southerly 30 Monday morning then diminishing to westerly 15 to 20 Monday afternoon.

Rain overnight and Monday. Fog patches forming Monday morning and dissipating Monday evening.

Waves

Issued 05:00 AM ADT 13 September 2026
Today Tonight and Monday. Seas 1 metre or less building to 1 to 2 near noon and to 2 to 3 Monday morning. Seas subsiding to 1 to 2 Monday afternoon.

Extended Forecast

Issued 03:00 AM ADT 13 September 2026
Tuesday Wind northwesterly 20 to 25 knots diminishing to north 15 in the afternoon and to light late in the day.
Wednesday Wind light becoming southwest 15 knots.
Thursday Wind northwest 15 knots.

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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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land station Land Station
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 12 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Sep estimated from Newfoundland near
4930N 5510W to 5445N 5145W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - southern half

Issued 10:00 AM ADT 13 September 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 10:00 AM ADT 13 September 2026 Today Tonight and Monday At 10:00 a.m. ADT today trough located over eastern Quebec.
By 3:00 a.m. ADT Monday trough located from the Gulf of St. Lawrence
to Lurcher.

At 8:00 p.m. ADT Monday trough located over the southeastern
Marine District.

At 10:00 a.m. ADT today departing ridge located over the Grand
Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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