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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 28 July 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northeast 20 knots diminishing to northerly 15 this afternoon then backing to northwest 10 to 15 near midnight. Wind diminishing to light near noon Wednesday.

Periods of rain or scattered thunderstorms and fog patches ending this afternoon.

Waves

Issued 05:00 AM ADT 28 July 2026
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less Wednesday evening.

Extended Forecast

Issued 03:00 AM ADT 28 July 2026
Thursday Wind light becoming southeast 15 knots in the afternoon.
Friday Wind easterly 10 to 15 knots diminishing to light.
Saturday Wind light.

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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 27 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 28 Jul estimated from Newfoundland near
4805N 5255W to 4830N 4910W to 4930N 4735W to 5745N 5400W to 5955N
5240W to 5800N 4600W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - southern half

Issued 10:00 AM ADT 28 July 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 28 July 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today low 1004 mb located over southwestern
Banquereau.
By 8:00 p.m. ADT tonight departing low 1004 mb located over
northeastern Banquereau.

At 10:00 a.m. ADT today building ridge located over the southwestern
Marine District.
By 8:00 p.m. ADT tonight ridge located over the central Marine
District.

By 8:00 p.m. ADT Wednesday low 1001 mb located over Long Island.

Atlantic - Maritimes Area

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Marine Weather for Canada

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