Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 04 May 2025
Today Tonight and Monday.
Wind southwest 15 to 20 knots increasing to southwest 25 early this morning then veering to west 15 to 20 Monday morning. Wind veering to northwest 25 Monday afternoon.
Showers and fog ending Monday afternoon.
Waves
Issued 06:00 AM NDT 04 May 2025
Today Tonight and Monday.
Seas 2 metres.
Extended Forecast
Issued 03:00 AM NDT 04 May 2025
Tuesday
Wind light becoming west 10 to 15 knots in the
afternoon.
Wednesday
Wind southwest 10 to 15 knots increasing to
southwest 15 to 20.
Thursday
Wind south 20 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 3 May 2025 Today Tonight and SundayIce 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 3 May 2025 Today Tonight and SundayIce 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 3 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 4 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 4 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 3 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 4 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 4 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 4 May 2025 Today Tonight and Monday At 3:00 a.m. NDT today trough located over Newfoundland.By 3:30 p.m. NDT today departing trough located east of Belle
Isle Bank.
At 3:30 p.m. NDT today trough located on a line northeast-southwest
over the Quebec Lower North Shore.
By 3:30 p.m. NDT Monday trough located east of Belle Isle Bank.
At 3:30 p.m. NDT today ridge located on a line north-south over
Hudson Bay.
By 3:30 p.m. NDT Monday ridge located on a line north-south over
the Maritimes.
Marine Weather Statement
Issued 2:55 AM NDT 4 May 2025 A trough of low pressure will approach from the northwest to lie overthe Quebec Lower North Shore this afternoon. The trough will track
eastwards across northern waters tonight and Monday before moving
east of the marine district Monday evening. Meanwhile, a ridge of
high pressure will approach from the west to lie over the Maritimes
Monday afternoon. Gale force northwesterlies can be expected over
northern waters between these two features on Monday.
Marine interests are advised that gale warnings are in effect for
Belle Isle Bank and Funk Island 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 - 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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