Northern 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 diminishing to west 15 to 20 Thursday morning.
Rain and fog banks with a risk of freezing rain Thursday morning becoming periods of snow or rain near noon Thursday. Visibility 1 mile or less in fog banks and in precipitation.
Temperatures plus 1 to plus 5 falling to zero Thursday morning.
Waves
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Northern 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
Special ice warning in effect.Bergy water except 1 tenth first-year ice in strips and patches in
the northern section.
Unusual presence of first-year ice in the northeastern section today
and continuing Wednesday.
Ice Forecasts
Flemish
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
Northern 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
More than 100 icebergs.Iceberg Bulletin
Flemish
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
Warnings (In effect)
Special ice warning in effect
Northern Grand Banks
Issued 11:30 AM NDT 21 April 2026Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.
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 - Newfoundland Area
- Anticosti
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan - northwestern half
- Laurentian Fan - southeastern half
- Mid Labrador Coast
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait
- 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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