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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 13 August 2026

Tonight and Friday.

Wind south 10 to 15 knots backing to southeast 15 to 20 late overnight then veering to southwest 15 to 20 Friday afternoon.

Periods of rain and fog patches overnight and Friday. Risk of thunderstorms late overnight.

Waves

Issued 06:00 PM NDT 13 August 2026
Tonight and Friday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM NDT 13 August 2026
Saturday Wind west 15 to 20 knots increasing to west 25 in the morning then veering to northwest 15 to 20 late in the day.
Sunday Wind northwest 15 knots diminishing to light.
Monday 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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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 13 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 14 Aug estimated from Newfoundland near
4825N 5310W to 4840N 5220W to 5030N 5130W to 5900N 5500W to 6020N
5200W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 13 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 14 Aug estimated from Newfoundland near
4825N 5310W to 4840N 5220W to 5030N 5130W to 5900N 5500W to 6020N
5200W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 13 August 2026 Tonight and Friday At 8:00 p.m. NDT tonight low 1001 mb located north of Belle
Isle Bank.
By 3:00 a.m. NDT Friday departing low 1001 mb located over eastern
Labrador Sea.

At 8:00 p.m. NDT tonight trough located on a line north-south over
the Maritimes.
By 8:00 p.m. NDT Friday low 1002 mb located south of Newfoundland.

Atlantic - Maritimes Area

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Marine Weather for Canada

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