Northern Grand Banks
Forecast
Marine Forecast
Issued 10:00 AM NDT 18 April 2026
Today Tonight and Sunday.
Gale warning in effect.
Wind northwest 35 knots diminishing to northwest 25 near noon and to northwest 15 to 20 early this evening. Wind diminishing to variable 10 to 15 late overnight then becoming south 10 to 15 near noon Sunday. Wind increasing to southwest 25 Sunday evening.
Temperatures minus 2 rising to plus 3 Sunday afternoon.
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 18 April 2026 Today Tonight and SundayIce Edge
Ice edge estimated from Newfoundland near 4745N 5243W to 4530N 4721Wto 4639N 4639W to 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 northern section today and
continuing Sunday.
Ice Forecasts
Flemish
Issued 10:00 AM EDT 18 April 2026 Today Tonight and SundayIce Edge
Ice edge estimated from Newfoundland near 4745N 5243W to 4530N 4721Wto 4639N 4639W to 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 2:40 PM EDT 17 April 2026Iceberg Limit
Iceberg limit at 0000 UTC 18 Apr estimated from Newfoundland near4655N 5400W to 4500N 5200W to 4440N 4710W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.
Iceberg Count
51 to 100 icebergs.Iceberg Bulletin
Flemish
Issued 2:40 PM EDT 17 April 2026Iceberg Limit
Iceberg limit at 0000 UTC 18 Apr estimated from Newfoundland near4655N 5400W to 4500N 5200W to 4440N 4710W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Northern Grand Banks
Issued 10:00 AM NDT 18 April 2026'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.
Special ice warning in effect
Northern Grand Banks
Issued 11:30 AM NDT 18 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 10:00 AM NDT 18 April 2026 Today Tonight and Sunday At 10:00 a.m. NDT today trough located east of the Marine District.By 3:30 p.m. NDT today departing trough located east of the Marine
District.
At 3:00 a.m. NDT Sunday approaching trough located over southern
Quebec.
At 10:00 a.m. NDT today ridge located on a line north-south over
the Gulf of St. Lawrence.
By 10:00 a.m. NDT Sunday ridge located on a line north-south over
the northern Grand Banks.
Marine Weather Statement
Issued 9:57 AM NDT 18 April 2026 A trough of low pressure east of the marine district will continue tomove eastward today. Strong to gale force northerlies to
northwesterlies over eastern waters behind the trough will diminish
today as the trough departs and a ridge of high pressure builds in
from the west.
On Sunday, the ridge will lie east of Newfoundland and a trough of
low pressure will slowly move across the St. Lawrence River Valley.
Between these two features, strong to gale force southerlies are
expected over western waters.
Marine interests are advised that gale warnings are in effect for
Gulf - Port au Port, Belle Isle Bank, Funk Island Bank, and Northern
Grand Banks.
Marine interests are advised that freezing spray warnings are in
effect for Strait of Belle Isle - eastern half, Northeast Coast,
Belle Isle Bank, and Funk Island Bank.
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 Shore
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen
- Gulf - Port au Port
- Lake Melville
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- Date modified:
ATOM