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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 10 May 2026

Tonight and Monday.

Wind east 10 to 15 knots veering to southeast 15 late overnight. Wind southeast 15 Monday.

Showers Monday evening. Fog banks.

Waves

Issued 06:00 PM NDT 10 May 2026
Tonight and Monday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM NDT 10 May 2026
Tuesday Wind southeast 15 knots increasing to southeast 25 in the afternoon.
Wednesday Wind northwest 25 knots diminishing to west 10 to 15.
Thursday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 10 May 2026 Today Tonight and Monday 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 10 May 2026 Today Tonight and Monday

Ice Edge

First ice edge estimated from Quebec near 5134N 5643W to 5133N 5640W
to 5152N 5551W to Newfoundland near 5138N 5554W. Sea ice north then
east of the ice edge.

Second ice edge estimated from Newfoundland near 5000N 5531W to
5129N 5259W to 5337N 5434W to 5513N 5313W to 5636N 5618W to 6200N
6024W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 10 May 2026 Today Tonight and Monday

Ice Edge

First ice edge estimated from Quebec near 5134N 5643W to 5133N 5640W
to 5152N 5551W to Newfoundland near 5138N 5554W. Sea ice north then
east of the ice edge.

Second ice edge estimated from Newfoundland near 5000N 5531W to
5129N 5259W to 5337N 5434W to 5513N 5313W to 5636N 5618W to 6200N
6024W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 10 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 May estimated from Newfoundland near
4655N 5545W to 4140N 5100W to 4155N 4640W to 4735N 4420W to 5310N
4705W to 5550N 5010W to 5900N 5500W then eastward.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 10 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 May estimated from Newfoundland near
4655N 5545W to 4140N 5100W to 4155N 4640W to 4735N 4420W to 5310N
4705W to 5550N 5010W to 5900N 5500W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 10 May 2026 Tonight and Monday At 8:00 p.m. NDT tonight trough located over the St. Lawrence River.
By 8:00 p.m. NDT Monday trough located on a line north-south over
the Gulf of St. Lawrence.

At 8:00 p.m. NDT tonight quasi-stationary ridge located on a line
northeast-southwest over the Grand Banks.

Marine Weather Statement

Issued 7:53 PM NDT 10 May 2026 A trough of low pressure will slowly approach the district from the
west through the forecast period. Strong to gale force
southeasterlies will develop over western waters tonight ahead of the
trough.

Marine interests are advised that a gale warning is in effect for
Gulf - Port au Port.

Atlantic - Maritimes Area

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Marine Weather for Canada

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