Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:30 PM NDT 14 September 2026
Tonight and Tuesday.
Wind south 30 knots veering to southwest 25 late overnight then diminishing to southwest 15 to 20 Tuesday morning. Wind diminishing to variable 10 to 15 Tuesday afternoon.
Showers and fog patches.
Waves
Issued 06:00 AM NDT 14 September 2026
Today Tonight and Tuesday.
Seas 1 to 2 metres building to 2 to 3 early this evening then
subsiding to 1 to 2 Tuesday evening.
Extended Forecast
Issued 03:30 PM NDT 14 September 2026
Wednesday
Wind southwest 10 to 15 knots.
Thursday
Wind variable 15 knots.
Friday
Wind variable 10 to 15 knots.
Stay connected
Weather Conditions
Zoom-in to make a selection
Legend:
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 14 September 2026Iceberg Limit
Iceberg limit at 0000 UTC 15 Sep estimated from Newfoundland near4930N 5510W to 5430N 5115W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 14 September 2026Iceberg Limit
Iceberg limit at 0000 UTC 15 Sep estimated from Newfoundland near4930N 5510W to 5430N 5115W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:30 PM NDT 14 September 2026 Tonight and Tuesday At 3:30 p.m. NDT today trough located on a line northeast-southwestover Cabot Strait.
By 3:30 p.m. NDT Tuesday trough located on a line
northeast-southwest over Funk Island Bank.
At 3:00 a.m. NDT Tuesday ridge located over southern Quebec.
By 3:00 a.m. NDT Wednesday ridge located over Funk Island Bank.
Marine Weather Statement
Issued 3:27 PM NDT 14 September 2026 A trough of low pressure over the Cabot Strait will continue trackingeastward across the marine district throughout the forecast period.
Strong to gale force south to southwesterlies ahead of the trough
will shift to strong northwesterlies in its wake.
Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, East Coast, Funk Island Bank, and
Northern Grand Banks.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - eastern half
- Banquereau - western half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - northwestern half
- Laurentian Fan - southeastern half
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- 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
Another Region
Features
Colour-coded weather alerts
Learn more about weather alerting in Canada
Improved storm alerts
Learn more about targeted warnings for severe thunderstorms and tornadoes
- Date modified:
ATOM