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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 20 July 2025

Today Tonight and Monday.

Wind light becoming variable 10 to 15 knots near midnight except southwest 30 over southern sections Monday afternoon and evening.

Showers beginning this evening changing to rain Monday afternoon. Fog banks forming overnight.

Waves

Issued 06:00 AM NDT 20 July 2025
Today Tonight and Monday. Seas 1 to 2 metres except 3 to 4 over southern sections Monday late in the day.

Extended Forecast

Issued 03:00 AM NDT 20 July 2025
Tuesday Wind southwest 25 to 35 knots becoming northwest 25 in the afternoon then diminishing to northwest 15 late in the day.
Wednesday Wind west 10 to 15 knots.
Thursday Wind light.

Ice Forecast

Issued 10:00 AM EDT 19 July 2025 Today Tonight and Sunday 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

Southeastern Grand Banks

Issued 10:00 AM EDT 19 July 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 6138N 6337W to 6201N 6209W 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 19 July 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 6138N 6337W to 6201N 6209W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern Grand Banks

Issued 2:30 PM EDT 19 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 20 Jul estimated from Newfoundland near
4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 19 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 20 Jul estimated from Newfoundland near
4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W 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 20 July 2025 Today Tonight and Monday At 3:00 a.m. NDT today low 986 mb located over eastern Labrador Sea.
By 3:00 p.m. NDT today quasi-stationary low 990 mb located over
central Labrador Sea.

At 3:00 a.m. NDT today ridge located over the southern Grand Banks.
By 3:00 a.m. NDT Monday departing ridge located east of the
Grand Banks.

At 8:00 p.m. NDT tonight trough located over the Maritimes.
By 8:00 p.m. NDT Monday trough located from Belle Isle Bank to
the Grand Banks.

Marine Weather Statement

Issued 8:06 PM NDT 19 July 2025 Marine interests are advised that all gale warning have been ended.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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