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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 17 April 2026

Tonight and Saturday.

Wind southwest 15 to 20 knots veering to northwest 15 to 20 this evening then to northeast 15 to 20 Saturday morning. Wind veering to southeast 15 to 20 Saturday evening.

Showers and fog ending near midnight. Risk of thunderstorms late this afternoon.

Waves

Issued 06:00 AM NDT 17 April 2026
Today Tonight and Saturday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM NDT 17 April 2026
Sunday Wind southeast 15 to 20 knots increasing to southeast 25 in the afternoon.
Monday Wind south 25 knots.
Tuesday Wind variable 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 17 April 2026 Today Tonight and Saturday Bergy water.  

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine 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 17 April 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4446N 4722W
to 4638N 4624W to 5530N 5230W to 5700N 5600W to 6045N 5800W to 6200N
5700W then northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 17 April 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4446N 4722W
to 4638N 4624W to 5530N 5230W to 5700N 5600W to 6045N 5800W to 6200N
5700W then northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:40 PM EDT 17 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Apr estimated from Newfoundland near
4655N 5400W to 4500N 5200W to 4440N 4710W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs north of the
iceberg limit.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:40 PM EDT 17 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Apr estimated from Newfoundland near
4655N 5400W to 4500N 5200W to 4440N 4710W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 17 April 2026 Tonight and Saturday At 3:30 p.m. NDT today trough located east of Newfoundland.
By 3:30 p.m. NDT Saturday trough located east of the Marine
District.

At 3:30 p.m. NDT today ridge located north of James Bay.
By 3:30 p.m. NDT Saturday ridge located over Newfoundland.

Marine Weather Statement

Issued 3:28 PM NDT 17 April 2026 A trough of low pressure just east of Newfoundland will continue
tracking eastward tonight before lying east of the marine district by
tomorrow afternoon. Strong to gale force northwesterlies are expected
to develop over eastern waters behind the trough tonight and will
diminish on Saturday as the trough moves away.

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

Marine interests are advised that freezing spray warnings are in
effect for Strait of Belle Isle - eastern half, Northeast Coast,
Belle Isle Bank, and Funk Island Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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