Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 20 May 2026
Today Tonight and Thursday.
Wind southeast 25 knots except west 15 over southern sections today. Wind diminishing to southwest 20 overnight then veering to northwest 25 Thursday morning.
Thunderstorms or showers becoming showers early this morning and ending Thursday morning. Fog patches dissipating Thursday morning.
Waves
Issued 06:00 AM NDT 20 May 2026
Today Tonight and Thursday.
Seas 1 to 2 metres building to 2 to 3 late
overnight.
Extended Forecast
Issued 03:00 AM NDT 20 May 2026
Friday
Wind west 25 knots.
Saturday
Wind northwest 25 knots.
Sunday
Wind northwest 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 19 May 2026 Today Tonight and WednesdayIce 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 5137N 5537W to
5501N 5438W to 5720N 5810W 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 19 May 2026 Today Tonight and WednesdayIce 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 5137N 5537W to
5501N 5438W to 5720N 5810W 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 2:30 PM EDT 19 May 2026Iceberg Limit
Iceberg limit at 0000 UTC 20 May estimated from Newfoundland near4700N 5520W to 4325N 5015W to 4320N 4615W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.
Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of theiceberg limit.
Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 19 May 2026Iceberg Limit
Iceberg limit at 0000 UTC 20 May estimated from Newfoundland near4700N 5520W to 4325N 5015W to 4320N 4615W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 20 May 2026 Today Tonight and Thursday At 3:00 a.m. NDT today ridge located from Belle Isle Bank to theGrand Banks.
By 3:00 a.m. NDT Thursday departing ridge located east of the
Marine District.
At 3:00 a.m. NDT today deepening low 998 mb located over Quebec.
By 3:00 a.m. NDT Thursday deepening low 988 mb located over
southern Labrador.
Marine Weather Statement
Issued 2:50 AM NDT 20 May 2026 A deepening low pressure system over Quebec will move throughLabrador tonight before crossing Belle Isle Bank on Thursday. Strong
to gale force southerlies ahead of the low will shift to gale to
storm force northwesterlies as it passes.
Marine interests are advised that a storm warning is in effect for
Belle Isle Bank. Gale warnings are in effect for Strait of Belle
Isle, Gulf waters, Northeast Coast, and Funk Island Bank.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - northeastern half
- Banquereau - southwestern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast
- 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 - 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 - 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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- Date modified:
ATOM