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Southeastern Grand Banks

Forecast

Marine Forecast

Issued 10:00 AM NDT 10 September 2026

Today Tonight and Friday.

Gale warning in effect.

Wind north 10 to 15 knots diminishing to light this afternoon then increasing to south 20 this evening. Wind veering to southwest 25 near midnight then increasing to southwest 35 early Friday morning. Wind diminishing to west 25 near noon Friday and to west 15 to 20 Friday evening.

Showers tonight and Friday.

Waves

Issued 06:00 AM NDT 10 September 2026
Today Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 Friday morning.

Extended Forecast

Issued 03:00 AM NDT 10 September 2026
Saturday Wind northwest 25 knots.
Sunday Wind northwest 20 knots diminishing to light.
Monday Wind south 25 to 35 knots.

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Weather Conditions

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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

Southeastern 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

Southeastern 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

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 10:00 AM NDT 10 September 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM NDT 10 September 2026 Today Tonight and Friday At 10:00 a.m. NDT today ridge located on a line northeast-southwest
over the Grand Banks.
By 8:00 p.m. NDT tonight departing ridge located southeast of the
Grand Banks.

At 3:30 p.m. NDT today trough located over the Maritimes.
By 10:00 a.m. NDT Friday trough located east of Newfoundland.

Marine Weather Statement

Issued 10:07 AM NDT 10 September 2026 A trough of low pressure approaching from the west will move to lie
over the Maritimes by this afternoon and east of Newfoundland by
Friday morning. Strong to gale force southerlies will develop over
most water ahead of the trough. Strong to gale force westerlies are
forecast behind the trough.

Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle and Belle Isle Bank.

Atlantic - Maritimes Area

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