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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 12:15 PM NDT 15 July 2026

Today Tonight and Thursday.

Wind south 30 knots diminishing to southwest 10 to 15 Thursday afternoon.

Showers ending Thursday afternoon. Risk of thunderstorms this afternoon and this evening. Fog patches becoming fog banks this evening.

Waves

Issued 06:00 AM NDT 15 July 2026
Today Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 near noon and to 3 to 4 this evening. Seas subsiding to 2 to 3 Thursday afternoon.

Extended Forecast

Issued 03:00 AM NDT 15 July 2026
Friday Wind south 15 to 20 knots.
Saturday Wind variable 10 to 15 knots.
Sunday Wind variable 10 to 15 knots increasing to southeast 15 to 20.

Ice Forecast

Issued 10:00 AM EDT 15 July 2026 Today Tonight and Thursday Ice free.  

[ 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 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 July 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from 6108N 6307W to 6201N 6226W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 15 July 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from 6108N 6307W to 6201N 6226W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 14 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4530W to 4845N 4500W to 5200N
4900W to 5815N 5515W to 5755N 5315W to 5825N 4825W to 5720N 4510W
then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 14 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4530W to 4845N 4500W to 5200N
4900W to 5815N 5515W to 5755N 5315W to 5825N 4825W to 5720N 4510W
then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM NDT 15 July 2026 Today Tonight and Thursday At 10:00 a.m. NDT today trough located over the Gulf of
St. Lawrence.
By 10:00 a.m. NDT Thursday trough located on a line north-south
over eastern Newfoundland.

At 10:00 a.m. NDT today ridge located on a line northeast-southwest
over the southeastern Grand Banks.
By 3:30 p.m. NDT today departing ridge located southeast of the
Grand Banks.

Marine Weather Statement

Issued 9:57 AM NDT 15 July 2026 A trough of low pressure over the Gulf of St. Lawrence is expected to
slowly track eastward across the marine district throughout the
forecast period. Strong to gale force southerlies are expected ahead
of the trough.

Marine interests are advised that gale warnings are in effect for
South Coast, East Coast, Belle Isle Bank, and Funk Island Bank.

Atlantic - Maritimes Area

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