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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 12 July 2026

Today Tonight and Monday.

Wind northwest 15 knots veering to north 15 to 20 this morning then diminishing to north 10 to 15 this evening. Wind becoming light Monday morning.

Showers ending this morning. Fog banks dissipating near noon.

Waves

Issued 06:00 PM NDT 11 July 2026
Tonight and Sunday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM NDT 12 July 2026
Tuesday Wind light becoming south 10 to 15 knots late in the day.
Wednesday Wind south 25 to 35 knots.
Thursday Wind southwest 25 knots diminishing to southwest 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 11 July 2026 Today Tonight and Sunday Ice free.  

[ Canadian Ice Service ]

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

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 11 July 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Labrador near 6015N 6422W to 6100N 6202W to
6200N 6020W 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 11 July 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Labrador near 6015N 6422W to 6100N 6202W to
6200N 6020W 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 11 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4530W to 4800N 4500W to 5200N
4900W to 5815N 5515W to 5800N 5340W to 5825N 4825W to 5745N 4550W
then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 11 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4530W to 4800N 4500W to 5200N
4900W to 5815N 5515W to 5800N 5340W to 5825N 4825W to 5745N 4550W
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 12 July 2026 Today Tonight and Monday At 3:00 a.m. NDT today low 1005 mb located over the southern
Grand Banks.
By 3:00 a.m. NDT Monday low 1005 mb located northeast of the
Grand Banks.

At 3:00 a.m. NDT today ridge located on a line northeast-southwest
over Quebec.
By 3:00 a.m. NDT Monday ridge located on a line northeast-southwest
over Newfoundland.

At 3:00 a.m. NDT Monday approaching trough located over Quebec.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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