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Southwestern Grand Banks - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 20 October 2026

Today Tonight and Wednesday.

Wind southeast 15 knots increasing to south 25 this morning then veering to southwest 20 this evening. Wind increasing to northeast 25 overnight. Wind northeast 25 Wednesday.

Rain and fog patches today tonight and Wednesday morning.

Waves

Issued 06:00 AM NDT 20 October 2026
Today Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 near noon then subsiding to 1 to 2 this evening. Seas building to 2 to 3 Wednesday evening.

Extended Forecast

Issued 03:00 AM NDT 20 October 2026
Thursday Wind east 15 to 20 knots veering to south 25 in the afternoon.
Friday Wind south 25 knots increasing to north 35.
Saturday Wind north 25 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 2:30 PM EDT 19 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Oct estimated from Newfoundland near
4800N 5341W to 4830N 5200W to 5145N 4930W to 6000N 5800W to 6125N
5445W to 5845N 4530W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 19 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Oct estimated from Newfoundland near
4800N 5341W to 4830N 5200W to 5145N 4930W to 6000N 5800W to 6125N
5445W to 5845N 4530W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 20 October 2026 Today Tonight and Wednesday At 3:00 a.m. NDT today trough located on a line east-west over
southern Labrador Sea.
By 3:30 p.m. NDT today departing trough located southeast of
Labrador Sea.

At 3:00 a.m. NDT today trough located south of the Maritimes.
By 3:00 a.m. NDT Wednesday trough located on a line
northeast-southwest over the southern Grand Banks.

At 3:00 a.m. NDT today ridge located on a line east-west over the
southern Grand Banks.
By 8:00 p.m. NDT tonight dissipating ridge located on a line
east-west over the northern Grand Banks.

Marine Weather Statement

Issued 2:56 AM NDT 20 October 2026 A trough of low pressure over the South Labrador Sea will continue to
weaken as it slides southeastwards today. Strong to gale force
southwesterlies over northeastern waters will diminish this morning
as the trough weakens.

Marine interests are advised that gale warnings are in effect for
Belle Isle Bank and Funk Island Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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