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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 08:00 PM NDT 21 May 2026

Tonight and Friday.

Wind northwest 30 knots backing to west 25 Friday morning.

Waves

Issued 06:00 PM NDT 21 May 2026
Tonight and Friday. Seas 2 to 3 metres building to 3 to 4 this evening becoming 2 to 3 Friday morning except 3 to 4 over northern sections.

Extended Forecast

Issued 03:30 PM NDT 21 May 2026
Saturday Wind west 25 knots veering to northwest 15 to 20 late in the day.
Sunday Wind northwest 15 knots.
Monday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 21 May 2026 Today Tonight and Friday Bergy water.  

[ Canadian Ice Service ]

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Weather Conditions

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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 21 May 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from Labrador near 5346N 5642W to 5431N 5341W to
5708N 5748W to 5950N 5804W to 6200N 6045W 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 21 May 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from Labrador near 5346N 5642W to 5431N 5341W to
5708N 5748W to 5950N 5804W to 6200N 6045W 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 21 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 May estimated from Newfoundland near
4700N 5520W to 4440N 5120W to 4435N 4540W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.

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 21 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 May estimated from Newfoundland near
4700N 5520W to 4440N 5120W to 4435N 4540W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 21 May 2026 Tonight and Friday At 8:00 p.m. NDT tonight low 984 mb located northeast of Belle
Isle Bank.
By 3:30 p.m. NDT Friday low 983 mb located south of Greenland.

At 8:00 p.m. NDT tonight trough located on a line
northwest-southeast over Labrador Sea.
By 8:00 p.m. NDT Friday trough located on a line northeast-southwest
over the Northeast Coast of Newfoundland.

Marine Weather Statement

Issued 7:54 PM NDT 21 May 2026 A low pressure system northeast of Belle Isle Bank will move east of
the region tonight. Strong to gale force westerlies to
northwesterlies will persist in its wake. A period of gale to storm
force northwesterlies is expected over Belle Isle Bank tonight.

As the low slowly departs, an associated trough extending across the
Labrador Sea will swing southward across northern waters late Friday.
Persistent strong to gale force westerlies to northwesterlies ahead
of the trough will shift to northerlies behind it.

Marine interests are advised that a storm warning is in effect for
Belle Isle Bank. Gale warnings are in effect for all remaining waters
except East Coast - north of Cape St. Francis and the Grand Banks.

Atlantic - Maritimes Area

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