Southwestern Grand Banks
Forecast
Marine Forecast
Issued 10:00 AM NDT 10 September 2026
Today Tonight and Friday.
Gale warning in effect.
Wind variable 10 to 15 knots increasing to southwest 15 to 20 this afternoon then backing to south 25 this evening. Wind increasing to southwest 35 near midnight then diminishing to west 25 early Friday morning.
Showers tonight and Friday.
Waves
Extended Forecast
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Weather Conditions
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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 9 September 2026Iceberg Limit
Iceberg limit at 0000 UTC 10 Sep estimated from Newfoundland near4930N 5510W to 5500N 5215W 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 9 September 2026Iceberg Limit
Iceberg limit at 0000 UTC 10 Sep estimated from Newfoundland near4930N 5510W to 5500N 5215W 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 10:00 AM 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 10:00 AM NDT 10 September 2026 Today Tonight and Friday At 10:00 a.m. NDT today ridge located on a line northeast-southwestover the 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 10:00 a.m. NDT Friday trough located east of Newfoundland.
Marine Weather Statement
Issued 10:07 AM NDT 10 September 2026 A trough of low pressure approaching from the west will move to lieover the Maritimes by this afternoon and east of Newfoundland by
Friday morning. Strong to gale force southerlies will develop over
most water ahead of the trough. Strong to gale force westerlies are
forecast behind the trough.
Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle and Belle Isle Bank.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northwestern half
- Gulf - Magdalen - southeastern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable - eastern half
- Sable - western half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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