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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 09 September 2026

Tonight and Thursday.

Wind northeast 15 to 20 knots diminishing to variable 10 to 15 Thursday morning then increasing to southwest 15 to 20 Thursday afternoon. Wind backing to south 25 Thursday evening.

Showers or scattered thunderstorms ending overnight. Showers Thursday evening.

Waves

Issued 06:00 PM NDT 09 September 2026
Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 Thursday morning.

Extended Forecast

Issued 03:30 PM NDT 09 September 2026
Friday Wind south 35 knots diminishing to southwest 25 in the morning.
Saturday Wind northwest 25 knots.
Sunday 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 9 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 10 Sep estimated from Newfoundland near
4930N 5510W to 5500N 5215W to 6000N 5730W to 6130N 5420W to 5900N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 9 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 10 Sep estimated from Newfoundland near
4930N 5510W to 5500N 5215W to 6000N 5730W to 6130N 5420W to 5900N
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 9 September 2026 Tonight and Thursday At 8:00 p.m. NDT tonight trough located on a line east-west over
the southern Grand Banks.
By 3:00 a.m. NDT Thursday departing trough located southeast of
the Grand Banks.

At 3:30 p.m. NDT Thursday approaching trough located over the
Maritimes.

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

Marine Weather Statement

Issued 7:46 PM NDT 9 September 2026 A trough of low pressure will approach the district from the west on
Thursday. Strong to gale force southerlies will develop over western
waters on Thursday ahead of the trough.

Marine interests are advised that gale warnings are in effect for
Gulf waters and Southwest Coast.

Atlantic - Maritimes Area

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Marine Weather for Canada

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