Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:30 PM NDT 17 May 2026
Tonight and Monday.
Wind southwest 25 knots veering to west 15 to 20 late overnight then to northwest 20 Monday morning. Wind increasing to northwest 30 Monday afternoon.
Showers and fog patches tonight and Monday morning.
Waves
Issued 06:00 PM NDT 17 May 2026
Tonight and Monday.
Seas 2 to 3 metres.
Extended Forecast
Issued 03:30 PM NDT 17 May 2026
Tuesday
Wind northwest 25 knots diminishing to west 10
to 15 in the afternoon.
Wednesday
Wind south 20 knots veering to west
25.
Thursday
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 17 May 2026 Today Tonight and MondayIce Edge
First ice edge estimated from Labrador near 5151N 5606W toNewfoundland near 5138N 5554W. Sea ice northeast of the ice edge.
Second ice edge estimated from Newfoundland near 5135N 5525W to
5200N 5510W to 5400N 5515W to 6200N 5940W 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 17 May 2026 Today Tonight and MondayIce Edge
First ice edge estimated from Labrador near 5151N 5606W toNewfoundland near 5138N 5554W. Sea ice northeast of the ice edge.
Second ice edge estimated from Newfoundland near 5135N 5525W to
5200N 5510W to 5400N 5515W to 6200N 5940W then northeastward. Sea
ice west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 2:46 PM EDT 17 May 2026Iceberg Limit
Iceberg limit at 0000 UTC 18 May estimated from Newfoundland near4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W to 4845N
4335W to 5310N 4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to
5840N 4800W then northeastward.
Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of theiceberg limit.
Iceberg Bulletin
Tail of the Grand Banks
Issued 2:46 PM EDT 17 May 2026Iceberg Limit
Iceberg limit at 0000 UTC 18 May estimated from Newfoundland near4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W to 4845N
4335W to 5310N 4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to
5840N 4800W 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 17 May 2026 Tonight and Monday At 3:30 p.m. NDT today trough located over the St. Lawrence River.By 3:30 p.m. NDT Monday departing trough located east of the
Grand Banks.
At 3:30 p.m. NDT today ridge located over northern Ontario.
By 3:30 p.m. NDT Monday ridge located over the Maritimes.
Marine Weather Statement
Issued 5:57 PM NDT 17 May 2026 Marine interests are advised that all gale warnings have been ended.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - northeastern half
- Banquereau - southwestern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- 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 - 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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ATOM