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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 16 May 2026

Today Tonight and Sunday.

Gale warning in effect.

Wind southwest 25 knots increasing to west 35 this afternoon then diminishing to southwest 25 overnight. Wind southwest 25 Sunday.

Rain ending this morning with a risk of thunderstorms. Showers this afternoon and this evening. Fog banks dissipating this evening.

Waves

Issued 06:00 AM NDT 16 May 2026
Today Tonight and Sunday. Seas 3 to 5 metres subsiding to 2 to 3 Sunday afternoon.

Extended Forecast

Issued 03:00 AM NDT 16 May 2026
Monday Wind west 25 knots increasing to northwest 25 to 35 in the afternoon.
Tuesday Wind west 15 to 20 knots.
Wednesday Wind west 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 15 May 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 15 May 2026 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Quebec near 5151N 5606W to
Newfoundland near 5138N 5554W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5039N 5607W to
5057N 5513W to 5421N 5512W 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 15 May 2026 Today Tonight and Saturday

Ice Edge

First ice edge estimated from Quebec near 5151N 5606W to
Newfoundland near 5138N 5554W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5039N 5607W to
5057N 5513W to 5421N 5512W 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 6:12 PM EDT 15 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 May estimated from Newfoundland near
4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W to 4800N
4345W to 5310N 4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to
5840N 4800W 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 6:12 PM EDT 15 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 May estimated from Newfoundland near
4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W to 4800N
4345W to 5310N 4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to
5840N 4800W 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 16 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 16 May 2026 Today Tonight and Sunday At 3:00 a.m. NDT today intensifying low 1000 mb located over
northwestern Banquereau.
By 3:00 a.m. NDT Sunday low 987 mb located east of Belle Isle Bank.

Marine Weather Statement

Issued 2:51 AM NDT 16 May 2026 A low pressure system over Banquereau will track northeastward across
Newfoundland today to lie east of Belle Isle Bank by early Sunday
morning. Strong to gale force west to northwesterlies are expected to
develop in it's wake today and persist until Sunday afternoon.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, East Coast, Funk Island Bank -
southeastern half, and the Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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