Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 05 May 2025
Today Tonight and Tuesday.
Wind southwest 20 knots veering to west 15 to 20 this morning then to northwest 25 this afternoon. Wind diminishing to north 15 overnight and to light Tuesday morning. Wind becoming southwest 10 to 15 Tuesday afternoon.
Showers and fog banks ending this evening.
Waves
Issued 06:00 AM NDT 05 May 2025
Today Tonight and Tuesday.
Seas 2 metres.
Extended Forecast
Issued 03:00 AM NDT 05 May 2025
Wednesday
Wind light becoming south 15 knots in the
afternoon.
Thursday
Wind south 15 to 20 knots.
Friday
Wind south 20 knots diminishing to variable
15.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 4 May 2025 Today Tonight and MondayIce Edge
Ice edge estimated from Newfoundland near 4832N 5301W to 4833N 5105Wto 5022N 5321W to 5510N 5402W to 5711N 5741W to 6023N 5911W to 6200N
5830W 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 4 May 2025 Today Tonight and MondayIce Edge
Ice edge estimated from Newfoundland near 4832N 5301W to 4833N 5105Wto 5022N 5321W to 5510N 5402W to 5711N 5741W to 6023N 5911W to 6200N
5830W 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 4 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 5 May estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.
Western iceberg limit at 0000 UTC 5 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.
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 4 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 5 May estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.
Western iceberg limit at 0000 UTC 5 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 5 May 2025 Today Tonight and Tuesday At 3:00 a.m. NDT today intensifying low 1005 mb located overwestern Belle Isle Bank.
By 3:00 a.m. NDT Tuesday departing low 996 mb located east of
Belle Isle Bank.
At 3:30 p.m. NDT today trough located over Hudson Bay.
By 3:30 p.m. NDT Tuesday trough located over Labrador Sea.
At 3:00 a.m. NDT today high located over Quebec.
By 3:00 a.m. NDT Tuesday high located over Cape Breton Island.
Marine Weather Statement
Issued 2:55 AM NDT 5 May 2025 An intensifying low pressure system over Western Belle Isle Bank willtrack eastward across Belle Isle Bank this morning before departing
east of the district later today and tonight. Strong to gale force
northwesterlies can be expected over most waters behind this feature.
On Tuesday, strong to gale force southwesterlies will develop over
western and northern waters between a trough of low pressure tracking
north of the district and a strong area of high pressure passing to
the south.
Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle, Gulf - Port au Port, Belle Isle Bank, Funk
Island Bank, and Northern Grand Banks.
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 - 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
- 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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