Southwestern Grand Banks
Forecast
Marine Forecast
Issued 10:00 AM NDT 28 April 2025
Today Tonight and Tuesday.
Gale warning in effect.
Wind south 35 knots diminishing to variable 10 to 15 this afternoon except northeast 25 over northwestern sections Tuesday morning and afternoon. Wind becoming north 20 Tuesday afternoon.
Rain and fog banks with a risk of thunderstorms changing to showers this afternoon.
Waves
Issued 06:00 AM NDT 28 April 2025
Today Tonight and Tuesday.
Seas 3 to 5 metres subsiding to 2 to 3 late overnight except 3 to
4 over northwestern sections overnight and Tuesday.
Extended Forecast
Issued 03:00 AM NDT 28 April 2025
Wednesday
Wind variable 10 to 15 knots increasing to
southwest 25 in the afternoon.
Thursday
Wind west 25 knots increasing to west
35.
Friday
Wind northwest 25 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 27 April 2025 Today Tonight and MondayIce Edge
Ice edge estimated from Newfoundland near 4849N 5349W to 4908N 5135Wto 5410N 5113W to 5629N 5651W to 6129N 5944W to 6200N 5900W then
northeastward. Sea ice north then west of the ice edge.
Ice Coverage
Bergy water.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 27 April 2025 Today Tonight and MondayIce Edge
Ice edge estimated from Newfoundland near 4849N 5349W to 4908N 5135Wto 5410N 5113W to 5629N 5651W to 6129N 5944W to 6200N 5900W then
northeastward. Sea ice north then west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 2:30 PM EDT 27 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 27 Apr estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4655N 3430W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 27 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of theiceberg limit.
Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 27 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 27 Apr estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4655N 3430W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 27 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southwestern Grand Banks
Issued 10:00 AM NDT 28 April 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 NDT 28 April 2025 Today Tonight and Tuesday At 10:00 a.m. NDT today low 1003 mb located south of the BurinPeninsula.
By 10:00 a.m. NDT Tuesday low 1011 mb located over the southeastern
Grand Banks.
At 10:00 a.m. NDT today trough from low located on a line
northeast-southwest over the Avalon Peninsula.
By 3:00 a.m. NDT Tuesday departing trough from low located east
of the Grand Banks.
Marine Weather Statement
Issued 9:53 AM NDT 28 April 2025 A low pressure system near the Burin Peninsula will move to lie overthe Southern Grand Banks tonight. Meanwhile, an associated trough
extending northeast of the low will depart east of the Grand Banks
tonight. Strong to gale force south to southwesterlies can be
expected ahead of these features, with strong to gale force north to
northeasterlies in their wake.
Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - eastern half, Gulf waters, Northeast Coast,
Belle Isle Bank, and the Grand Banks.
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 - Cape St. Francis and south
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western half
- 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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