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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 16 August 2026

Today Tonight and Monday.

Wind northwest 20 knots veering to north 10 to 15 early this morning then diminishing to light this afternoon. Wind becoming east 10 to 15 Monday morning.

Waves

Issued 06:00 AM NDT 16 August 2026
Today Tonight and Monday. Seas 2 to 3 metres subsiding to 1 to 2 this morning and to 1 or less Monday evening.

Extended Forecast

Issued 03:00 AM NDT 16 August 2026
Tuesday Wind east 10 to 15 knots.
Wednesday Wind light.
Thursday Wind south 15 to 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 15 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 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 15 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 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 16 August 2026 Today Tonight and Monday At 3:00 a.m. NDT today trough located on a line north-south over
the Grand Banks.
By 3:30 p.m. NDT today dissipating trough located east of the
Marine District.

At 3:00 a.m. NDT today ridge located on a line northeast-southwest
over the Maritimes.
By 3:00 a.m. NDT Monday ridge located on a line northeast-southwest
over the Grand Banks.

At 3:00 a.m. NDT Monday approaching trough located on a line
northeast-southwest over Quebec.

Atlantic - Maritimes Area

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Marine Weather for Canada

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