Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:30 PM NDT 23 May 2025
Tonight and Saturday.
Wind southeast 20 knots increasing to southeast 30 this evening then diminishing to southwest 10 to 15 Saturday morning. Wind increasing to southwest 15 to 20 Saturday afternoon.
Rain beginning this evening with a risk of thunderstorms changing to showers Saturday morning. Fog forming this evening.
Waves
Issued 06:00 PM NDT 23 May 2025
Tonight and Saturday.
Seas 2 to 3 metres subsiding to 1 to 2 Saturday
evening.
Extended Forecast
Issued 03:30 PM NDT 23 May 2025
Sunday
Wind southwest 20 knots.
Monday
Wind variable 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 23 May 2025 Today Tonight and SaturdayIce Edge
First ice edge estimated from Labrador near 5144N 5621W to Newfoundland near 5131N 5612W. Sea ice east of the ice edge.Second ice edge estimated from Newfoundland near 5123N 5530W to 5138N 5439W to 5527N 5440W to 5708N 5743W to 6018N 6001W to 6200N 5921W then northeastward. Sea ice west of the ice edge.
Ice Coverage
Bergy water.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 23 May 2025 Today Tonight and SaturdayIce Edge
First ice edge estimated from Labrador near 5144N 5621W to Newfoundland near 5131N 5612W. Sea ice east of the ice edge.Second ice edge estimated from Newfoundland near 5123N 5530W to 5138N 5439W to 5527N 5440W to 5708N 5743W to 6018N 6001W to 6200N 5921W then northeastward. Sea ice west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 3:15 PM EDT 23 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 24 May estimated from Newfoundland near 4709N 5517W to 4355N 5140W to 4400N 4400W to 4830N 4045W to 5345N 4950W to 5915N 5605W to 5705N 5130W then eastward.Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of the iceberg limit.Iceberg Bulletin
Tail of the Grand Banks
Issued 3:15 PM EDT 23 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 24 May estimated from Newfoundland near 4709N 5517W to 4355N 5140W to 4400N 4400W to 4830N 4045W to 5345N 4950W to 5915N 5605W to 5705N 5130W 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 23 May 2025 Tonight and Saturday At 3:30 p.m. NDT today low 1000 mb located over the Gulf of Maine.By 3:30 p.m. NDT Saturday low 1008 mb located over New Brunswick.
At 3:30 p.m. NDT today trough from 1000 mb low located south of
Nova Scotia.
By 3:30 p.m. NDT Saturday trough from 1008 mb low located on a
line east-west over the South Coast of Newfoundland.
At 3:30 p.m. NDT today ridge located from Ungava Bay to the
Grand Banks.
By 3:30 p.m. NDT Saturday ridge located from Hudson Bay to Belle
Isle Bank.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau - northern half
- Banquereau - southern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope - eastern half
- East Scotian Slope - western 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
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope - northeastern half
- West Scotian Slope - southwestern half
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