Southeastern Grand Banks
Forecast
Marine Forecast
Issued 03:30 PM NST 05 December 2025
Tonight and Saturday.
Storm warning in effect.
Wind west 50 to 60 knots diminishing to northwest 35 to 45 near noon Saturday.
Flurries becoming showers or flurries overnight. Visibility 1 mile or less in flurries.
Waves
Issued 06:00 AM NST 05 December 2025
Today Tonight and Saturday.
Seas 3 to 5 metres building to 6 to 8 this afternoon and to 9 to
12 this evening. Seas subsiding to 7 to 9 Saturday afternoon and to 5 to 7
Saturday evening.
Extended Forecast
Issued 03:00 AM NST 05 December 2025
Sunday
Wind northwest 25 to 35 knots diminishing to
northwest 15 to 20 in the morning.
Monday
Wind northwest 15 to 20 knots diminishing to
variable 10 to 15.
Tuesday
Wind south 25 knots increasing to northwest 25
to 35.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southeastern Grand Banks
Issued 10:00 AM EST 5 December 2025 Today Tonight and SaturdayIce Edge
First ice edge estimated from Newfoundland near 5039N 5607W to 5042N5551W to 5141N 5511W to 5142N 5511W to 5147N 5545W to Newfoundland
near 5137N 5557W. Sea ice west then south of the ice edge.
Second ice edge estimated from Labrador near 5347N 5630W to 5445N
5700W to 5547N 5953W to 5646N 6052W 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 5 December 2025 Today Tonight and SaturdayIce Edge
First ice edge estimated from Newfoundland near 5039N 5607W to 5042N5551W to 5141N 5511W to 5142N 5511W to 5147N 5545W to Newfoundland
near 5137N 5557W. Sea ice west then south of the ice edge.
Second ice edge estimated from Labrador near 5347N 5630W to 5445N
5700W to 5547N 5953W to 5646N 6052W 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 5 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 1:30 PM EST 5 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Storm warning in effect
Southeastern Grand Banks
Issued 3:30 PM NST 05 December 2025'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 3:30 PM NST 5 December 2025 Tonight and Saturday At 3:30 p.m. NST today deepening low 968 mb located over FunkIsland Bank.
By 3:30 p.m. NST Saturday low 953 mb located east of Funk Island
Bank.
At 3:00 a.m. NST Saturday approaching ridge located on a line
north-south over the Maritimes.
Marine Weather Statement
Issued 3:25 PM NST 5 December 2025 An intensifying low pressure system over Funk Island Bank will moveto lie east of Funk Island Bank by tomorrow afternoon. Gale to storm
force west to northwesterlies will persist over most waters in its
wake while strong to gale force easterly to northeasterlies north of
the low will veer to gale to storm force northwesterlies tonight.
Winds will further intensify to storm to hurricane force west to
northwesterlies tonight as the low deepens, before slowly diminishing
on Saturday as the low moves east of the marine district.
Marine interests are advised that hurricane force wind warnings are
in effect for Funk Island Bank and Northern Grand Banks.
Storm warnings are in effect for Gulf - Port au Port, Southwest
Coast, South Coast, East Coast, Northeast Coast, and Southern Grand
Banks. Gale warnings are in effect for Strait of Belle Isle - eastern
half, Northeast Gulf, and Belle Isle Bank.
Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle - western half, Gulf waters,
Southwest Coast, East Coast, and Northeast Coast.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau - northern half
- Banquereau - southern half
- 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 - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- 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 - 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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