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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 04 September 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind light increasing to southeast 10 to 15 knots near noon and to southeast 15 to 20 this evening. Wind increasing to southeast 35 Saturday morning then diminishing to south 25 Saturday afternoon.

Rain overnight and Saturday. Fog patches forming Saturday afternoon.

Waves

Issued 06:00 AM NDT 04 September 2026
Today Tonight and Saturday. Seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 Saturday morning. Seas building to 3 to 5 near noon Saturday.

Extended Forecast

Issued 03:00 AM NDT 04 September 2026
Sunday Wind variable 15 to 20 knots diminishing to southwest 10 to 15 in the morning.
Monday Wind variable 15 to 20 knots increasing to southwest 25.
Tuesday Wind west 25 knots.

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Weather Conditions

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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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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 3 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 4 Sep estimated from Newfoundland near
4910N 5455W to 5400N 5345W to 6000N 5600W to 6130N 5420W to 5925N
4550W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 3 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 4 Sep estimated from Newfoundland near
4910N 5455W to 5400N 5345W to 6000N 5600W to 6130N 5420W to 5925N
4550W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 10:00 AM NDT 04 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 10:00 AM NDT 4 September 2026 Today Tonight and Saturday At 10:00 a.m. NDT today ridge located on a line northeast-southwest
over the Grand Banks.
By 3:00 a.m. NDT Saturday departing ridge located east of the
Marine District.

At 3:30 p.m. NDT today low 1005 mb located over southwestern
Nova Scotia.
By 3:30 p.m. NDT Saturday high 996 mb located over Laurentian Fan.

Marine Weather Statement

Issued 10:00 AM NDT 4 September 2026 A developing low pressure system will approach from the west tonight
and move to lie south of Newfoundland by Saturday afternoon. Strong
to gale force southeasterlies to northeasterlies are expected to
develop north and east of the low on Saturday.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, East Coast, and the Southern Grand
Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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