Southwestern Grand Banks
Forecast
Marine Forecast
Issued 08:00 PM NST 07 December 2025
Tonight and Monday.
Gale warning in effect.
Wind northwest 15 to 20 knots diminishing to light Monday morning then increasing to south 25 near noon Monday. Wind increasing to south 35 Monday afternoon then veering to west 35 to 45 Monday evening.
Rain and fog patches Monday afternoon and evening.
Waves
Issued 06:00 PM NST 07 December 2025
Tonight and Monday.
Seas 2 to 3 metres building to 3 to 5 Monday
afternoon.
Extended Forecast
Issued 03:30 PM NST 07 December 2025
Tuesday
Wind northwest 25 to 35 knots.
Wednesday
Wind west 25 knots.
Thursday
Wind southwest 25 to 35 knots.
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 2025 Today Tonight and MondayIce Edge
First ice edge estimated from Newfoundland near 4958N 5542W to 5015N5605W 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 7 December 2025 Today Tonight and MondayIce Edge
First ice edge estimated from Newfoundland near 4958N 5542W to 5015N5605W 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
Southwestern Grand Banks
Issued 1:30 PM EST 7 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 8 Dec estimated from Newfoundland near4814N 5333W to 4815N 5200W to 4900N 5100W to 5400N 5100W 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 7 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 8 Dec estimated from Newfoundland near4814N 5333W to 4815N 5200W to 4900N 5100W to 5400N 5100W to 5945N
5730W to 6120N 5340W then eastward.
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 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 7 December 2025 Tonight and Monday At 8:00 p.m. NST tonight trough located east of the Marine District.By 8:00 p.m. NST Monday departing trough located northeast of the
Marine District.
At 8:00 p.m. NST tonight deepening low 1013 mb located east of
the Great Lakes.
By 8:00 p.m. NST Monday deepening low 987 mb located over the
Burin Peninsula.
Marine Weather Statement
Issued 7:56 PM NST 7 December 2025 A trough of low pressure east of the marine district will remainstationary tonight before slowly moving northeastward on Monday.
Strong to gale force northwesterlies are expected over eastern waters
tonight before weakening on Monday.
Meanwhile, a low pressure system will rapidly intensify as it
approaches the region from the southwest tonight and Monday to lie
over the Burin Peninsula by Monday evening. Over southern waters,
strong southeasterlies ahead of the low will increase to gale force
south to southwesterlies as it nears. Gale force northwesterlies are
expected behind the low Monday evening.
Marine interests are advised that gale warnings are in effect for the
Southwest Coast, South Coast, Belle Isle Bank, Funk Island Bank, and
the Grand Banks.
Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle - eastern half, Gulf waters,
Northeast Coast, and Belle Isle Bank.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau - northern half
- Banquereau - southern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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