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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 15 September 2026

Tonight and Wednesday.

Wind variable 10 to 15 knots increasing to south 15 to 20 Wednesday morning then veering to southwest 20 Wednesday evening.

Showers and fog patches.

Waves

Issued 06:00 PM NDT 15 September 2026
Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 this evening.

Extended Forecast

Issued 03:30 PM NDT 15 September 2026
Thursday Wind southwest 20 knots diminishing to variable 10 to 15 in the afternoon.
Friday Wind variable 10 to 15 knots increasing to southwest 25.
Saturday Wind northwest 35 to 45 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 3:59 PM EDT 15 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 Sep estimated from Newfoundland near
4930N 5510W to 5430N 5115W to 6000N 5730W to 6125N 5435W to 5850N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 3:59 PM EDT 15 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 Sep estimated from Newfoundland near
4930N 5510W to 5430N 5115W to 6000N 5730W to 6125N 5435W to 5850N
4610W then northeastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 15 September 2026 Tonight and Wednesday At 3:00 a.m. NDT Wednesday trough located on a line
northeast-southwest over Laurentian Fan.
By 3:00 a.m. NDT Thursday trough located on a line
northeast-southwest over the southwestern Grand Banks.

At 8:00 p.m. NDT tonight ridge located on a line northeast-southwest
over Newfoundland.
By 3:30 p.m. NDT Wednesday ridge located southeast of the Grand
Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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