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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 03:00 AM NDT 22 May 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind west 25 knots except west 35 over northern sections tonight. Wind diminishing to northwest 20 near noon Saturday and to northwest 10 to 15 Saturday evening.

Waves

Issued 06:00 AM NDT 22 May 2026
Today Tonight and Saturday. Seas 2 to 3 metres building to 3 to 4 this evening then subsiding to 2 to 3 near noon Saturday. Seas subsiding to 1 to 2 Saturday evening.

Extended Forecast

Issued 03:00 AM NDT 22 May 2026
Sunday Wind northwest 15 to 20 knots.
Monday Wind northwest 15 to 20 knots diminishing to light.
Tuesday Wind south 10 to 15 knots increasing to southeast 35.

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

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 03:00 AM NDT 22 May 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 22 May 2026 Today Tonight and Saturday At 3:00 a.m. NDT today low 983 mb located east of Belle Isle Bank.
By 3:30 p.m. NDT today departing low 983 mb located south of
Greenland.

At 3:00 a.m. NDT today trough located on a line northwest-southeast
over southern Labrador Sea.
By 3:00 a.m. NDT Saturday trough located on a line
northeast-southwest over Funk Island Bank.

Marine Weather Statement

Issued 2:56 AM NDT 22 May 2026 A low pressure system east of Belle Isle Bank will depart east of the
region today. Strong to gale force westerlies to northwesterlies will
persist in its wake. A period of gale to storm force northwesterlies
over Belle Isle Bank will diminish to strong to gale force this
morning.

As the low departs, an associated trough extending across the South
Labrador Sea will swing southward across northern waters late today.
Persistent strong to gale force westerlies ahead of the trough will
shift to northerlies to northwesterlies 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, Northern Grand Banks,
and Southeastern Grand Banks.

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