Southwestern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 20 March 2025
Today Tonight and Friday.
Wind northeast 15 to 20 knots veering to southeast 10 to 15 near midnight. Wind southeast 10 to 15 Friday.
Showers and fog.
Waves
Issued 06:00 AM NDT 20 March 2025
Today Tonight and Friday.
Seas 2 to 3 metres subsiding to 2 late overnight.
Extended Forecast
Issued 03:00 AM NDT 20 March 2025
Saturday
Wind south 15 to 20 knots increasing to
southwest 25 to 35 in the afternoon.
Sunday
Wind southwest 20 knots.
Monday
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 19 March 2025 Today Tonight and ThursdayIce Edge
Ice edge estimated from Newfoundland near 4809N 5253W to 5056N 4729Wto 5516N 5105W to 5716N 5618W to 6200N 5756W then northeastward. Sea
ice north then west of the ice edge.
Ice Coverage
Ice free.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 19 March 2025 Today Tonight and ThursdayIce Edge
Ice edge estimated from Newfoundland near 4809N 5253W to 5056N 4729Wto 5516N 5105W to 5716N 5618W to 6200N 5756W 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 19 March 2025Iceberg Limit
Iceberg limit at 0000 UTC 20 Mar estimated from Newfoundland near4643N 5307W to 4640N 4600W to 5100N 4600W to 5400N 4700W to 5900N
5620W to 6110N 5505W to 5815N 4555W then eastwards.
Western iceberg limit at 0000 UTC 20 Mar estimated from Quebec near
5045N 5925W to Newfoundland near 4920N 5745W.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 19 March 2025Iceberg Limit
Iceberg limit at 0000 UTC 20 Mar estimated from Newfoundland near4643N 5307W to 4640N 4600W to 5100N 4600W to 5400N 4700W to 5900N
5620W to 6110N 5505W to 5815N 4555W then eastwards.
Western iceberg limit at 0000 UTC 20 Mar estimated from Quebec near
5045N 5925W to Newfoundland near 4920N 5745W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 20 March 2025 Today Tonight and Friday At 3:00 a.m. NDT today departing trough located southeast of theGrand Banks.
At 3:00 a.m. NDT today high located over Funk Island Bank.
By 3:00 a.m. NDT Friday departing high located east of the Grand
Banks.
At 3:00 a.m. NDT Friday approaching trough located from the East
Coast of the U.S. to the Torngat Mountains.
Atlantic - Newfoundland Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- East Coast
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan
- Mid Labrador Coast
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Sable - eastern half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea
- Strait of Belle Isle - eastern half
- Strait of Belle Isle - western half
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