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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 21 September 2026

Today Tonight and Tuesday.

Wind light increasing to southeast 10 to 15 knots this morning and to southeast 20 this afternoon. Wind veering to south 25 near midnight then diminishing to variable 10 to 15 Tuesday morning. Wind increasing to northwest 25 Tuesday afternoon.

Showers beginning this morning. Fog patches forming overnight and dissipating Tuesday evening.

Waves

Issued 06:00 PM NDT 20 September 2026
Tonight and Monday. Seas 4 to 6 metres subsiding to 3 to 4 near midnight and to 2 to 3 Monday morning.

Extended Forecast

Issued 03:00 AM NDT 21 September 2026
Wednesday Wind north 25 knots diminishing to north 15 to 20 in the morning and to light in the afternoon.
Thursday Wind variable 10 to 15 knots becoming west 15.
Friday Wind west 15 knots becoming variable 10 to 15.

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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 20 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Sep estimated from Newfoundland near
4930N 5510W to 5130N 5330W to 5400N 5330W to 6000N 5800W to 6125N
5435W to 5850N 4610W then northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 20 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Sep estimated from Newfoundland near
4930N 5510W to 5130N 5330W to 5400N 5330W to 6000N 5800W 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 3:00 AM NDT 21 September 2026 Today Tonight and Tuesday At 3:00 a.m. NDT today ridge located on a line northwest-southeast
over Newfoundland.
By 3:00 a.m. NDT Tuesday ridge located on a line northwest-southeast
over Belle Isle Bank.

At 8:00 p.m. NDT tonight low 1011 mb located over Laurentian Fan.
By 8:00 p.m. NDT Tuesday low 1003 mb located east of Funk Island
Bank.

Marine Weather Statement

Issued 7:51 PM NDT 20 September 2026 Marine interests are advised that all gale warnings have ended.

Atlantic - Maritimes Area

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Marine Weather for Canada

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