Southwest Coast
Forecast
Marine Forecast
Issued 10:00 AM NDT 21 April 2026
Today Tonight and Wednesday.
Wind northwest 15 to 20 knots veering to north 20 this evening then backing to northwest 15 to 20 near noon Wednesday.
Temperatures near zero.
Waves
Issued 06:00 AM NDT 21 April 2026
Today Tonight and Wednesday.
Seas 1 to 2 metres.
Extended Forecast
Issued 03:00 AM NDT 21 April 2026
Thursday
Wind northwest 25 knots diminishing to
variable 10 to 15 late in the day.
Friday
Wind variable 10 to 15 knots increasing to
north 25.
Saturday
Wind northwest 25 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 21 April 2026 Today Tonight and WednesdayIce Edge
First ice edge estimated from Cape Breton Island near 4702N 6025W to4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.
Second ice edge estimated from Quebec near 4920N 6722W to 5005N
6558W to 4841N 6158W to 4957N 6006W to 4935N 5822W to 4836N 5937W to
Newfoundland near 4806N 5905W. Sea ice north of the ice edge.
Ice Coverage
Ice free.
Iceberg Bulletin
Issued 2:30 PM EDT 20 April 2026Iceberg Limit
Iceberg limit at 0000 UTC 21 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 5830N 5000W
then eastward.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM NDT 21 April 2026 Today Tonight and Wednesday At 10:00 a.m. NDT today trough located on a line north-south overthe northern Grand Banks.
By 10:00 a.m. NDT Wednesday trough located on a line north-south
over the East Coast of Newfoundland.
At 10:00 a.m. NDT today quasi-stationary ridge located on a line
north-south over the Gulf of St. Lawrence.
Marine Weather Statement
Issued 9:56 AM NDT 21 April 2026 A trough of low pressure will remain nearly stationary just east ofNewfoundland throughout the forecast period. The trough is expected
to intensify overnight tonight into Wednesday. As a result, strong to
gale force northerlies will develop just west of the trough tonight
and Wednesday.
Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - eastern half 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
- 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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- Date modified:
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