Southwestern Grand Banks
Forecast
Marine Forecast
Issued 08:00 PM NST 07 December 2023
Tonight and Friday.
Gale warning in effect.
Wind northwest 25 to 35 knots backing to west 35 to 45 near midnight. Wind west 35 to 45 Friday.
Flurries or showers. Visibility as low as 1 mile in precipitation.
Waves
Issued 06:00 PM NST 07 December 2023
Tonight and Friday.
Seas 3 to 5 metres building to 5 to 7 late
overnight.
Extended Forecast
Issued 03:30 PM NST 07 December 2023
Saturday
Wind northwest 35 to 45 knots diminishing to
northwest 25 to 35 in the afternoon.
Sunday
Wind northwest 25 knots diminishing to
northwest 15 to 20.
Monday
Wind south 20 knots increasing to south
35.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EST 7 December 2023 Today Tonight and FridayIce Edge
Ice edge estimated from Labrador near 5213N 5538W to 5348N 5518W to5559N 5947W to 6031N 6404W then northward. Sea ice west of the ice
edge.
Ice Coverage
Ice free.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EST 7 December 2023 Today Tonight and FridayIce Edge
Ice edge estimated from Labrador near 5213N 5538W to 5348N 5518W to5559N 5947W to 6031N 6404W then northward. Sea ice west of the ice
edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 1:30 PM EST 7 December 2023Iceberg Limit
Iceberg limit at 0000 UTC 8 Dec estimated from the Labrador coastnear 5240N 5548W to 5315N 5400W to 5630N 5400W to 5830N 5630W to
6050N 5630W then eastwards.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 1:30 PM EST 7 December 2023Iceberg Limit
Iceberg limit at 0000 UTC 8 Dec estimated from the Labrador coastnear 5240N 5548W to 5315N 5400W to 5630N 5400W to 5830N 5630W to
6050N 5630W then eastwards.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southwestern Grand Banks
Issued 8:00 PM NST 07 December 2023'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 or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM NST 7 December 2023 Tonight and Friday At 8:00 p.m. NST tonight deepening low 956 mb located northeastof the Grand Banks.
By 10:00 a.m. NST Friday merging low 938 mb located east of Belle
Isle Bank.
At 8:00 p.m. NST tonight low 971 mb located over Belle Isle Bank.
By 10:00 a.m. NST Friday merging low 938 mb located east of Belle
Isle Bank.
Marine Weather Statement
Issued 7:45 PM NST 7 December 2023 A low pressure system over Belle Isle Bank and a second low pressuresystem east of the Grand Banks will merge into a single deep system
Friday morning. The resulting low will remain quasi-stationary east
of the marine district causing strong to gale force north to westerly
winds to persist over all waters.
Marine interests are advised that gale warnings are in effect for all
waters.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- 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 - 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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