Southeastern Grand Banks
Forecast
Marine Forecast
Issued 08:00 PM NST 10 December 2025
Tonight and Thursday.
Gale warning in effect.
Wind southwest 25 knots increasing to southwest 35 Thursday morning.
Showers overnight and Thursday. Fog patches forming Thursday evening.
Waves
Issued 06:00 PM NST 10 December 2025
Tonight and Thursday.
Seas 3 to 5 metres building to 5 to 7 Thursday
evening.
Extended Forecast
Issued 03:30 PM NST 10 December 2025
Friday
Wind southwest 25 to 35 knots diminishing to
variable 10 to 15 in the morning then increasing to southwest 25 to 35 late in
the day.
Saturday
Wind southwest 35 knots.
Sunday
Wind west 25 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southeastern Grand Banks
Issued 10:00 AM EST 10 December 2025 Today Tonight and ThursdayIce Edge
Ice edge estimated from Newfoundland near 4934N 5429W to 4941N 5429Wto 5016N 5608W to 5139N 5511W to 5339N 5536W to 5627N 6028W to 5928N
6239W to Labrador near 6018N 6424W. Sea ice west of the ice edge.
Ice Coverage
Ice free.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EST 10 December 2025 Today Tonight and ThursdayIce Edge
Ice edge estimated from Newfoundland near 4934N 5429W to 4941N 5429Wto 5016N 5608W to 5139N 5511W to 5339N 5536W to 5627N 6028W to 5928N
6239W to Labrador near 6018N 6424W. Sea ice west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southeastern Grand Banks
Issued 1:30 PM EST 10 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 11 Dec estimated from Newfoundland near4730N 5239W to 4745N 5030W to 5230N 5000W to 5945N 5730W to 6155N
5330W to 6005N 4945W then northeastward.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 1:30 PM EST 10 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 11 Dec estimated from Newfoundland near4730N 5239W to 4745N 5030W to 5230N 5000W to 5945N 5730W to 6155N
5330W to 6005N 4945W then northeastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southeastern Grand Banks
Issued 8:00 PM NST 10 December 2025'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 10 December 2025 Tonight and Thursday At 8:00 p.m. NST tonight departing low 956 mb located southeastof Greenland.
At 8:00 p.m. NST tonight deepening low 989 mb located over southern
Ontario.
By 3:30 p.m. NST Thursday deepening low 981 mb located over
Anticosti Island.
At 8:00 p.m. NST tonight ridge located on a line northwest-southeast
over Funk Island Bank.
By 10:00 a.m. NST Thursday departing ridge located east of Funk
Island Bank.
Marine Weather Statement
Issued 7:54 PM NST 10 December 2025 An intense low pressure system southeast of Greenland will departthis evening. Strong to gale force west to northwesterlies will
diminish in the low's wake this evening.
A second low pressure system will approach the district from the west
tonight and track into the Gulf of St. Lawrence on Thursday. Strong
to gale force northeasterlies will develop north of the low, and
strong to gale force southwesterlies will develop to its south and
east.
Marine interests are advised that gale warnings are in effect for
Northeast Gulf, Gulf - Port au Port - northwestern half, East Coast -
Cape St. Francis and south, Belle Isle Bank, Funk Island Bank, and
the Grand Banks.
Marine interests are also advised that a freezing spray warning is in
effect for Belle Isle Bank.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau - northwestern half
- Banquereau - southeastern 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 - Cape St. Francis and south
- East Scotian Slope - northwestern half
- East Scotian Slope - southeastern half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northern half
- Gulf - Magdalen - southern half
- Gulf - Port au Port - northwestern half
- Gulf - Port au Port - southeastern half
- 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 - northwestern half
- West Scotian Slope - southeastern half
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