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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 - Newfoundland marine weather areas Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
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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 - Newfoundland Area

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Marine Weather for Canada

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