Southwestern Grand Banks
Forecast
Marine Forecast
Issued 12:15 PM NDT 15 July 2026
Today Tonight and Thursday.
Wind south 30 knots diminishing to southwest 10 to 15 Thursday afternoon.
Showers ending Thursday afternoon. Risk of thunderstorms this afternoon and this evening. Fog patches becoming fog banks this evening.
Waves
Issued 06:00 AM NDT 15 July 2026
Today Tonight and Thursday.
Seas 1 to 2 metres building to 2 to 3 near noon and to 3 to 4
this evening. Seas subsiding to 2 to 3 Thursday afternoon.
Extended Forecast
Issued 03:00 AM NDT 15 July 2026
Friday
Wind south 15 to 20 knots.
Saturday
Wind variable 10 to 15 knots.
Sunday
Wind variable 10 to 15 knots increasing to
southeast 15 to 20.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 15 July 2026 Today Tonight and ThursdayIce Edge
Ice edge estimated from 6108N 6307W to 6201N 6226W thennortheastward. Sea ice northwest of the ice edge.
Ice Coverage
Ice free.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 15 July 2026 Today Tonight and ThursdayIce Edge
Ice edge estimated from 6108N 6307W to 6201N 6226W 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 14 July 2026Iceberg Limit
Iceberg limit at 0000 UTC 15 Jul estimated from Newfoundland near4805N 5255W to 4645N 4700W to 4700N 4530W to 4845N 4500W to 5200N
4900W to 5815N 5515W to 5755N 5315W to 5825N 4825W to 5720N 4510W
then eastward.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 14 July 2026Iceberg Limit
Iceberg limit at 0000 UTC 15 Jul estimated from Newfoundland near4805N 5255W to 4645N 4700W to 4700N 4530W to 4845N 4500W to 5200N
4900W to 5815N 5515W to 5755N 5315W to 5825N 4825W to 5720N 4510W
then eastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM NDT 15 July 2026 Today Tonight and Thursday At 10:00 a.m. NDT today trough located over the Gulf ofSt. Lawrence.
By 10:00 a.m. NDT Thursday trough located on a line north-south
over eastern Newfoundland.
At 10:00 a.m. NDT today ridge located on a line northeast-southwest
over the southeastern Grand Banks.
By 3:30 p.m. NDT today departing ridge located southeast of the
Grand Banks.
Marine Weather Statement
Issued 9:57 AM NDT 15 July 2026 A trough of low pressure over the Gulf of St. Lawrence is expected toslowly track eastward across the marine district throughout the
forecast period. Strong to gale force southerlies are expected ahead
of the trough.
Marine interests are advised that gale warnings are in effect for
South Coast, East Coast, Belle Isle Bank, and Funk Island Bank.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - northwestern half
- Banquereau - southeastern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore
- East Coast
- East Scotian Slope - northwestern half
- East Scotian Slope - southeastern half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - northwestern half
- Laurentian Fan - southeastern 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
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- Date modified:
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