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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 17 August 2026

Today Tonight and Tuesday.

Wind light except northeast 15 knots over southeastern sections today and early this evening. Wind light Tuesday.

Waves

Issued 06:00 PM NDT 16 August 2026
Tonight and Monday. Seas 1 to 2 metres subsiding to 1 or less Monday evening.

Extended Forecast

Issued 03:00 AM NDT 17 August 2026
Wednesday Wind southeast 10 to 15 knots.
Thursday Wind south 15 to 20 knots.
Friday Wind southwest 20 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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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 16 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Aug estimated from Newfoundland near
4840N 5350W to 4900N 5250W to 5030N 5205W 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 16 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Aug estimated from Newfoundland near
4840N 5350W to 4900N 5250W to 5030N 5205W 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 3:00 AM NDT 17 August 2026 Today Tonight and Tuesday At 3:00 a.m. NDT today quasi-stationary ridge located on a line
northeast-southwest over the Grand Banks.

At 3:00 a.m. NDT today trough located on a line northeast-southwest
over Quebec.
By 3:00 a.m. NDT Tuesday trough located on a line
northeast-southwest over the Gulf of St. Lawrence.

Atlantic - Maritimes Area

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Marine Weather for Canada

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