Southeastern Grand Banks
Forecast
Marine Forecast
Issued 03:00 AM NDT 22 April 2026
Today Tonight and Thursday.
Wind southeast 15 to 20 knots increasing to southeast 25 this morning then becoming northwest 25 this evening. Wind diminishing to northwest 15 Thursday evening.
Showers ending Thursday morning. Risk of thunderstorms today. Fog banks dissipating this evening.
Waves
Issued 06:00 PM NDT 21 April 2026
Tonight and Wednesday.
Seas 1 to 2 metres except 2 to 3 over western sections Wednesday
afternoon and evening.
Extended Forecast
Issued 03:00 AM NDT 22 April 2026
Friday
Wind variable 10 to 15 knots increasing to east
35 to 45 in the afternoon.
Saturday
Wind west 35 to 45 knots.
Sunday
Wind northwest 25 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southeastern Grand Banks
Issued 10:00 AM EDT 21 April 2026 Today Tonight and WednesdayIce Edge
Ice edge estimated from Newfoundland near 4745N 5243W to 4641N 4618Wto 5530N 5230W to 5700N 5600W to 6045N 5800W to 6200N 5700W 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 21 April 2026 Today Tonight and WednesdayIce Edge
Ice edge estimated from Newfoundland near 4745N 5243W to 4641N 4618Wto 5530N 5230W to 5700N 5600W to 6045N 5800W to 6200N 5700W then
northeastward. Sea ice north then west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southeastern Grand Banks
Issued 2:30 PM EDT 21 April 2026Iceberg Limit
Iceberg limit at 0000 UTC 22 Apr estimated from Newfoundland near4655N 5400W to 4415N 5210W to 4340N 4630W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5740N 4850W
then eastward.
Iceberg Count
No confirmed icebergs except less than 10 icebergs north of theiceberg limit.
Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 21 April 2026Iceberg Limit
Iceberg limit at 0000 UTC 22 Apr estimated from Newfoundland near4655N 5400W to 4415N 5210W to 4340N 4630W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5740N 4850W
then eastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NDT 22 April 2026 Today Tonight and Thursday At 3:00 a.m. NDT today low 1004 mb located south of the Grand Banks.By 3:00 a.m. NDT Thursday low 1001 mb located over the Northeast
Coast of Newfoundland.
At 3:00 a.m. NDT today quasi-stationary ridge located on a line
north-south over the Gulf of St. Lawrence.
Marine Weather Statement
Issued 2:59 AM NDT 22 April 2026 A slowly intensifying low pressure system approaching from the southis forecast to pass just east of the Avalon Peninsula this afternoon,
and then track northwestwards towards the Northern Peninsula on
Thursday where it will weaken. A period of strong to gale force
northwesterlies are forecast to the west of its track. Over southern
waters winds will diminish as the low moves away, while over northern
waters winds will diminish as the system weakens.
Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - eastern half, Northeast Coast, Belle Isle
Bank, and Southwestern Grand Banks.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- 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 - northwestern half
- Laurentian Fan - southeastern half
- 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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ATOM