Southwestern Grand Banks
Forecast
Marine Forecast
Issued 10:00 AM NST 21 December 2024
Today Tonight and Sunday.
Storm warning in effect.
Wind south 35 to 45 knots increasing to south 45 to 55 this afternoon then diminishing to southwest 35 this evening. Wind diminishing to west 25 Sunday morning and to variable 15 Sunday afternoon.
Showers. Risk of thunderstorms this evening.
Waves
Issued 06:00 AM NST 21 December 2024
Today Tonight and Sunday.
Seas 2 to 3 metres building to 3 to 5 this morning and to 5 to 7
this afternoon. Seas subsiding to 3 to 5 near noon Sunday.
Extended Forecast
Issued 03:00 AM NST 21 December 2024
Monday
Wind northwest 20 knots.
Tuesday
Wind northwest 15 knots becoming variable 10
to 15.
Wednesday
Wind variable 10 to 15 knots.
Ice Forecast
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Weather Conditions
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Land Station
Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EST 21 December 2024 Today Tonight and SundayIce Edge
Ice edge estimated from Newfoundland near 5009N 5610W to 5141N 5512Wto 5325N 5531W to 5500N 5725W to 5552N 6004W to 6033N 6256W to 6200N
6050W then northeastward. Sea ice west of the ice edge.
Ice Coverage
Ice free.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EST 21 December 2024 Today Tonight and SundayIce Edge
Ice edge estimated from Newfoundland near 5009N 5610W to 5141N 5512Wto 5325N 5531W to 5500N 5725W to 5552N 6004W to 6033N 6256W to 6200N
6050W then northeastward. 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 20 December 2024Iceberg Limit
Iceberg limit at 0000 UTC 21 Dec estimated from the Labrador coastnear 5320N 5549W to 5145N 5030W to 5245N 4800W to 5345N 4800W to
5900N 5800W to 5945N 5230W then eastwards.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 1:30 PM EST 20 December 2024Iceberg Limit
Iceberg limit at 0000 UTC 21 Dec estimated from the Labrador coastnear 5320N 5549W to 5145N 5030W to 5245N 4800W to 5345N 4800W to
5900N 5800W to 5945N 5230W then eastwards.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Storm warning in effect
Southwestern Grand Banks
Issued 10:00 AM NST 21 December 2024'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. 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 10:00 AM NST 21 December 2024 Today Tonight and Sunday At 10:00 a.m. NST today intensifying low 988 mb located south ofNova Scotia.
By 10:00 a.m. NST Sunday low 964 mb located over Belle Isle Bank.
At 10:00 a.m. NST today ridge located over northern Belle Isle Bank.
By 3:30 p.m. NST today dissipating ridge located on a line east-west
over southern Labrador Sea.
Marine Weather Statement
Issued 9:50 AM NST 21 December 2024 A rapidly intensifying low pressure system will approach from thesouthwest today and quickly track northeastward across Newfoundland
tonight. Gale to storm force east to northeasterlies will spread
north and west of the low while gale to storm force southerlies will
develop to its east. Winds will shift to gale to storm force
northwest to southwesterlies in the wake of the low.
Marine interests are advised that storm warnings are in effect for
all waters except Southeastern Grand Banks where a gale warning is in
effect.
Marine interests are also advised that freezing spray warnings are in
effect for Gulf waters.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern 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 - eastern half
- Eastern Shore - western half
- 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 - 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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