Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:30 PM NDT 18 July 2025
Tonight and Saturday.
Wind southwest 20 knots backing to south 25 this evening then diminishing to variable 10 to 15 Saturday morning.
Showers and fog banks. Risk of thunderstorms tonight.
Waves
Issued 06:00 AM NDT 18 July 2025
Today Tonight and Saturday.
Seas 1 to 2 metres building to 2 to 3 near midnight then
subsiding to 1 to 2 Saturday evening.
Extended Forecast
Issued 03:30 PM NDT 18 July 2025
Sunday
Wind variable 10 to 15 knots.
Monday
Wind variable 10 to 15 knots increasing to
southwest 25.
Tuesday
Wind west 25 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 18 July 2025 Today Tonight and SaturdayIce Edge
Ice edge estimated from 6138N 6337W to 6200N 6128W thennortheastward. Sea ice northwest of the ice edge.
Ice Coverage
Ice free.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 18 July 2025 Today Tonight and SaturdayIce Edge
Ice edge estimated from 6138N 6337W to 6200N 6128W thennortheastward. Sea ice northwest of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 2:30 PM EDT 18 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 19 Jul estimated from Newfoundland near4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W then eastward.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 18 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 19 Jul estimated from Newfoundland near4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W then eastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:30 PM NDT 18 July 2025 Tonight and Saturday At 3:30 p.m. NDT today deepening low 990 mb located over Labrador.By 3:30 p.m. NDT Saturday low 982 mb located over eastern Labrador
Sea.
At 3:30 p.m. NDT Saturday approaching ridge located south of
the Maritimes.
Marine Weather Statement
Issued 3:21 PM NDT 18 July 2025 A low pressure system over Labrador will continue movingnortheastward to lie over the Labrador Sea by Saturday morning.
Strong to gale force southeasterlies over northern waters ahead of
the low shift to westerlies to southwesterlies as it crosses
Labrador.
Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle, Northeast Gulf, Gulf - Port au Port, Northeast
Coast, and Belle Isle Bank.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- 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 - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- 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
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