Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 29 April 2025
Today Tonight and Wednesday.
Wind variable 10 to 15 knots except northeast 25 over northwestern sections. Wind becoming north 15 to 20 this afternoon then backing to northwest 10 to 15 near midnight. Wind becoming light Wednesday morning then increasing to south 15 to 20 Wednesday afternoon. Wind increasing to south 25 Wednesday evening.
Showers ending this evening. Rain and fog banks Wednesday evening.
Waves
Issued 06:00 PM NDT 28 April 2025
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 29 April 2025
Thursday
Wind south 25 knots veering to west 25 in the
morning then increasing to west 35 in the afternoon.
Friday
Wind northwest 25 knots diminishing to
northwest 15.
Saturday
Wind variable 10 to 15 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 28 April 2025 Today Tonight and TuesdayIce Edge
Ice edge estimated from Newfoundland near 4849N 5349W to 4908N 5135Wto 5418N 5143W to 5607N 5624W to 6041N 5907W 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 28 April 2025 Today Tonight and TuesdayIce Edge
Ice edge estimated from Newfoundland near 4849N 5349W to 4908N 5135Wto 5418N 5143W to 5607N 5624W to 6041N 5907W 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 28 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 28 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 28 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 28 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 28 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 28 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 29 April 2025 Today Tonight and Wednesday At 3:00 a.m. NDT today low 1010 mb located over the southeasternGrand Banks.
By 3:00 a.m. NDT Wednesday departing low 1011 mb located east of
the Grand Banks.
At 3:30 p.m. NDT today approaching trough located on a line
northeast-southwest over Quebec.
At 3:00 a.m. NDT today ridge located on a line northeast-southwest
over the West Coast of Newfoundland.
By 3:00 a.m. NDT Wednesday ridge located on a line
northeast-southwest over the East Coast of Newfoundland.
Marine Weather Statement
Issued 2:54 AM NDT 29 April 2025 A trough of low pressure will approach the marine district from thewest today. Strong to gale force southerlies will develop over
northern waters this afternoon ahead of the trough.
Marine interests are advised that a gale warning is in effect for
Belle Isle Bank.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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