Southwestern Grand Banks
Forecast
Marine Forecast
Issued 08:00 PM NDT 21 March 2025
Tonight and Saturday.
Gale warning in effect.
Wind southeast 10 to 15 knots veering to south 15 to 20 near midnight then to southwest 25 Saturday afternoon. Wind increasing to west 35 Saturday evening.
Showers and fog ending Saturday afternoon.
Waves
Issued 06:00 PM NDT 21 March 2025
Tonight and Saturday.
Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to
5 Saturday evening.
Extended Forecast
Issued 03:30 PM NDT 21 March 2025
Sunday
Wind southwest 25 to 35 knots.
Monday
Wind northwest 25 to 35 knots.
Tuesday
Wind southeast 25 to 35 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 21 March 2025 Today Tonight and SaturdayIce Edge
Ice edge estimated from Newfoundland near 4809N 5253W to 5140N 4803Wto 5523N 5058W to 5730N 5624W to 6024N 5746W to 6052N 5721W 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 21 March 2025 Today Tonight and SaturdayIce Edge
Ice edge estimated from Newfoundland near 4809N 5253W to 5140N 4803Wto 5523N 5058W to 5730N 5624W to 6024N 5746W to 6052N 5721W 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 3:41 PM EDT 21 March 2025Iceberg Limit
Iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland near4643N 5307W to 4605N 4950W to 4630N 4450W to 5100N 4600W to 5400N
4700W to 5900N 5620W to 6110N 5505W to 5820N 4555W then eastwards.
Western iceberg limit at 0000 UTC 22 Mar estimated from Quebec near
5035N 5940W to Newfoundland near 4920N 5745W.
Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 3:41 PM EDT 21 March 2025Iceberg Limit
Iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland near4643N 5307W to 4605N 4950W to 4630N 4450W to 5100N 4600W to 5400N
4700W to 5900N 5620W to 6110N 5505W to 5820N 4555W then eastwards.
Western iceberg limit at 0000 UTC 22 Mar estimated from Quebec near
5035N 5940W to Newfoundland near 4920N 5745W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southwestern Grand Banks
Issued 8:00 PM NDT 21 March 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 8:00 PM NDT 21 March 2025 Tonight and Saturday At 8:00 p.m. NDT tonight low 987 mb located near the Gulf of Maine.By 8:00 p.m. NDT Saturday low 983 mb located over the Northeast
Coast of Newfoundland.
Marine Weather Statement
Issued 7:47 PM NDT 21 March 2025 A low pressure system over the Gulf of Maine will approach the marinedistrict from the southwest tonight and cross Newfoundland on
Saturday. Moderate to strong south to southeasterlies ahead of the
low will shift to strong to gale force west to southwesterlies in its
wake Saturday evening.
Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, and Southwestern Grand Banks.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast
- 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 - 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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