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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 11 October 2026

Today Tonight and Monday.

Gale warning in effect.

Wind northwest 25 knots backing to west 20 this evening then to southwest 25 late overnight. Wind increasing to southwest 35 near noon Monday then diminishing to southwest 25 Monday evening.

Showers changing to rain and fog patches Monday afternoon.

Waves

Issued 06:00 AM NDT 11 October 2026
Today Tonight and Monday. Seas 3 to 4 metres subsiding to 2 to 3 this evening then building to 3 to 4 near noon Monday.

Extended Forecast

Issued 03:00 AM NDT 11 October 2026
Tuesday Wind northeast 25 to 35 knots becoming north 25 in the morning then diminishing to variable 15 in the afternoon.
Wednesday Wind light increasing to southeast 25 knots.
Thursday Wind southeast 25 to 35 knots becoming northwest 35.

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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 10 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Oct estimated from Newfoundland near
4925N 5400W to 5100N 5230W to 5345N 5100W to 5430N 5100W to 6000N
5800W to 6050N 5615W to 5945N 5340W to 6000N 5000W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 10 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Oct estimated from Newfoundland near
4925N 5400W to 5100N 5230W to 5345N 5100W to 5430N 5100W to 6000N
5800W to 6050N 5615W to 5945N 5340W to 6000N 5000W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 10:00 AM NDT 11 October 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 11 October 2026 Today Tonight and Monday At 10:00 a.m. NDT today trough located east of the Marine District.
By 3:00 a.m. NDT Monday departing trough located east of the
Marine District.

At 8:00 p.m. NDT tonight low 1004 mb located over Quebec.
By 8:00 p.m. NDT Monday low 991 mb located east of Funk Island Bank.

At 10:00 a.m. NDT today ridge located on a line north-south over
the Maritimes.
By 10:00 a.m. NDT Monday departing ridge located on a line
northwest-southeast over Funk Island Bank.

Marine Weather Statement

Issued 9:54 AM NDT 11 October 2026 A trough of low pressure east of the Grand Banks will continue to
track eastward, as a ridge of high pressure slowly builds towards the
district from the west. Strong to gale force northwesterlies will
diminish later today as the trough departs to the east.

Secondly, a low pressure system will approach from the west tonight
before crossing Newfoundland on Monday to lie east of Funk Island
Bank by Monday evening. Strong to gale force southwesterlies will
develop ahead of the low while strong to gale force northwesterlies
develop in its wake.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, East Coast - Cape St. Francis and
south, Belle Isle Bank, Funk Island Bank, and the Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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