Southeastern Grand Banks
Forecast
Marine Forecast
Issued 10:00 AM NST 11 December 2025
Today Tonight and Friday.
Gale warning in effect.
Wind southwest 35 knots diminishing to variable 10 to 15 early Friday morning then increasing to west 25 near noon Friday. Wind increasing to southwest 35 Friday evening.
Showers. Fog banks dissipating near noon Friday.
Waves
Issued 06:00 AM NST 11 December 2025
Today Tonight and Friday.
Seas 3 to 5 metres building to 5 to 7 this evening then subsiding
to 3 to 5 late overnight.
Extended Forecast
Issued 03:00 AM NST 11 December 2025
Saturday
Wind southwest 35 knots.
Sunday
Wind west 25 knots becoming southeast
25.
Monday
Wind southwest 35 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 11 December 2025 Today Tonight and FridayIce 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 11 December 2025 Today Tonight and FridayIce 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 10:00 AM NST 11 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 10:00 AM NST 11 December 2025 Today Tonight and Friday At 10:00 a.m. NST today deepening low 984 mb located near theGaspe Peninsula.
By 10:00 a.m. NST Friday low 970 mb located northeast of Belle
Isle Bank.
At 3:00 a.m. NST Friday approaching trough from low located on a
line east-west over the Quebec Lower North Shore.
At 10:00 a.m. NST today departing ridge located east of the Marine
District.
Marine Weather Statement
Issued 9:56 AM NST 11 December 2025 A deepening low pressure system will approach the district from thewest this morning and track across Gulf waters today. Strong to gale
force northeasterlies will spread over Gulf waters today while strong
to gale force southwesterlies spread over southern waters. Winds will
diminish tonight for a period before increasing again to strong to
gale force southwesterlies ahead of a trough trailing behind the low
on Friday.
Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle, Gulf - Port au Port -
southeastern half, Northeast Coast - north of Cape St. John, and
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
- 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
- Gulf - Port au Port - northwestern half
- Gulf - Port au Port - southeastern half
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- 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 - northwestern half
- West Scotian Slope - southeastern half
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