Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 06 October 2026
Today Tonight and Wednesday.
Gale warning in effect.
Wind southwest 25 to 35 knots becoming west 25 this morning then diminishing to west 15 to 20 near noon Wednesday. Wind diminishing to light Wednesday evening.
Showers and fog patches ending this afternoon with a risk of thunderstorms.
Waves
Issued 06:00 PM NDT 05 October 2026
Tonight and Tuesday.
Seas 3 to 4 metres subsiding to 2 to 3 near midnight then
building to 3 to 5 Tuesday evening.
Extended Forecast
Issued 03:00 AM NDT 06 October 2026
Thursday
Wind variable 10 to 15 knots increasing to
south 15 to 20 in the afternoon.
Friday
Wind southwest 15 to 20 knots.
Saturday
Wind southwest 15 to 20 knots.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.Iceberg Bulletin
Southwestern Grand Banks
Issued 2:30 PM EDT 5 October 2026Iceberg Limit
Iceberg limit at 0000 UTC 6 Oct estimated from Newfoundland near5032N 5618W to 4945N 5445W to 5015N 5330W to 5445N 5130W to 6000N
5800W to 6110N 5535W to 5900N 5045W to 5925N 4725W then eastward.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 5 October 2026Iceberg Limit
Iceberg limit at 0000 UTC 6 Oct estimated from Newfoundland near5032N 5618W to 4945N 5445W to 5015N 5330W to 5445N 5130W to 6000N
5800W to 6110N 5535W to 5900N 5045W to 5925N 4725W then eastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southwestern Grand Banks
Issued 03:00 AM NDT 06 October 2026'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 6 October 2026 Today Tonight and Wednesday At 3:00 a.m. NDT today deepening low 985 mb located near the QuebecLower North Shore.
By 3:00 a.m. NDT Wednesday low 977 mb located over southern
Labrador Sea.
Marine Weather Statement
Issued 2:55 AM NDT 6 October 2026 A low pressure system over the Quebec Lower North Shore will tracknortheastward today overnight lie over the South Labrador Sea
overnight tonight. The low will continue to slowly move eastward on
Wednesday. Strong to gale force southeasterlies to southerlies ahead
of the low will shift to strong to gale force southwesterlies south
of the low today. Strong to gale force west to northwesterlies are
expected over northern waters late in the forecast period behind the
low.
Marine interests are advised that gale warnings are in effect for all
waters.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
Another Region
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ATOM