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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 14 July 2025

Today Tonight and Tuesday.

Wind northwest 10 to 15 knots becoming variable 10 to 15 this morning then becoming south 10 to 15 overnight. Wind increasing to south 20 near noon Tuesday then veering to west 15 to 20 Tuesday evening.

Showers Tuesday afternoon and evening. Fog patches forming early this morning becoming fog banks Tuesday morning.

Waves

Issued 06:00 AM NDT 14 July 2025
Today Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less this evening then building to 1 to 2 near noon Tuesday.

Extended Forecast

Issued 03:00 AM NDT 14 July 2025
Wednesday Wind west 15 to 20 knots diminishing to west 10 to 15 in the afternoon.
Thursday Wind southwest 10 to 15 knots.
Friday Wind southwest 10 to 15 knots backing to south 15 to 20.

Ice Forecast

Issued 10:00 AM EDT 13 July 2025 Today Tonight and Monday Ice free.  

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 13 July 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Labrador near 5959N 6409W to 6035N 6233W to
6200N 5940W 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 13 July 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Labrador near 5959N 6409W to 6035N 6233W to
6200N 5940W 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 13 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 14 Jul estimated from Newfoundland near
4709N 5256W to 4625N 4345W to 4905N 4140W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6035N 5330W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 13 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 14 Jul estimated from Newfoundland near
4709N 5256W to 4625N 4345W to 4905N 4140W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6035N 5330W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 14 July 2025 Today Tonight and Tuesday At 3:00 a.m. NDT today low 1003 mb located east of the Grand Banks.
By 10:00 a.m. NDT today departing low 1004 mb located east of the
Grand Banks.

At 3:00 a.m. NDT today trough located over eastern Quebec.
By 3:00 a.m. NDT Tuesday trough located on a line
northwest-southeast over the Maritimes.

At 3:00 a.m. NDT today ridge located on a line north-south over
Newfoundland.
By 3:00 a.m. NDT Tuesday ridge located on a line northeast-southwest
over the southern Grand Banks.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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