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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 10 September 2026

Tonight and Friday.

Gale warning in effect.

Wind southwest 15 to 20 knots backing to south 25 this evening then increasing to southwest 35 near midnight. Wind diminishing to west 25 early Friday morning.

Showers tonight and Friday.

Waves

Issued 06:00 PM NDT 10 September 2026
Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 near midnight.

Extended Forecast

Issued 03:30 PM NDT 10 September 2026
Saturday Wind northwest 25 knots.
Sunday Wind northwest 15 knots diminishing to light.
Monday Wind southwest 25 to 35 knots.

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

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 10 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Sep estimated from Newfoundland near
4930N 5510W to 5500N 5200W to 6000N 5730W to 6130N 5420W to 5900N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 10 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Sep estimated from Newfoundland near
4930N 5510W to 5500N 5200W to 6000N 5730W to 6130N 5420W to 5900N
4610W then northeastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 3:30 PM NDT 10 September 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 10 September 2026 Tonight and Friday At 3:30 p.m. NDT today ridge located on a line northeast-southwest
over the southeastern Grand Banks.
By 8:00 p.m. NDT tonight departing ridge located southeast of the
Grand Banks.

At 3:30 p.m. NDT today trough located over the Maritimes.
By 3:30 p.m. NDT Friday departing trough located east of the
Grand Banks.

At 8:00 p.m. NDT Friday approaching trough located over the Quebec
Lower North Shore.

Marine Weather Statement

Issued 3:22 PM NDT 10 September 2026 A trough of low pressure over the Maritimes will cross Newfoundland
tonight and move to lie east of the Grand Banks Friday afternoon.
A second trough will approach the district from the northwest Friday
evening.

Strong to gale force southerlies ahead of the first trough will veer
to strong southwesterlies in its wake. Strong to gale force
westerlies will develop ahead of the second trough.

Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle and Belle Isle Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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