Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 11 July 2025
Today Tonight and Saturday.
Wind light increasing to southeast 15 knots near noon and to southeast 25 this evening. Wind veering to southwest 15 to 20 Saturday morning except northeast 25 over northwestern sections Saturday late in the day.
Rain beginning this evening with a risk of thunderstorms changing to showers Saturday morning. Fog patches becoming fog banks this evening.
Waves
Issued 06:00 PM NDT 10 July 2025
Tonight and Friday.
Seas 1 to 2 metres.
Extended Forecast
Issued 03:00 AM NDT 11 July 2025
Sunday
Wind north 25 knots diminishing to north 15 to
20 late in the day.
Monday
Wind northwest 10 to 15 knots.
Tuesday
Wind variable 10 to 15 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 10 July 2025 Today Tonight and FridayIce Edge
Ice edge estimated from Labrador near 5714N 6138W to 5839N 6012W to6055N 6248W to 6200N 6114W then northeastward. Sea ice west of the
ice edge.
Ice Coverage
Ice free.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 10 July 2025 Today Tonight and FridayIce Edge
Ice edge estimated from Labrador near 5714N 6138W to 5839N 6012W to6055N 6248W to 6200N 6114W then northeastward. Sea ice west of the
ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 2:30 PM EDT 10 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 11 Jul estimated from Newfoundland near4640N 5310W to 4645N 4410W to 4920N 4250W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 5950N 5300W then eastward.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 10 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 11 Jul estimated from Newfoundland near4640N 5310W to 4645N 4410W to 4920N 4250W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 5950N 5300W 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 11 July 2025 Today Tonight and Saturday At 3:00 a.m. NDT today low 1014 mb located south of Maine.By 3:00 a.m. NDT Saturday low 1010 mb located over Banquereau.
At 3:00 a.m. NDT today ridge located from Labrador to the Grand
Banks.
By 3:00 a.m. NDT Saturday ridge located on a line east-west over
Newfoundland.
Atlantic - Maritimes Area
- Anticosti
- Banquereau - northern half
- Banquereau - southern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope - northeastern half
- East Scotian Slope - southwestern half
- Fourchu
- Fundy
- Georges Bank - northern half
- Georges Bank - southern half
- Grand Manan
- Gulf - Magdalen - northern half
- Gulf - Magdalen - southern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - northeastern half
- Laurentian Fan - southwestern 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast - Ramea and east
- Southwest Coast - west of Ramea
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope - northern half
- West Scotian Slope - southern half
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