Northumberland Strait
Forecast
Marine Forecast
Issued 08:00 PM ADT 21 April 2026
Tonight and Wednesday.
Wind light becoming southeast 10 to 15 knots Wednesday afternoon.
Temperatures near minus 2.
Extended Forecast
Issued 03:30 PM ADT 21 April 2026
Thursday
Wind light.
Friday
Wind light increasing to northerly 20
knots.
Saturday
Wind northerly 20 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
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 21 April 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight ridge located from Labrador to the Gulfof Maine.
By 3:30 p.m. ADT Wednesday quasi-stationary ridge located from
Labrador to Browns Bank.
At 8:00 p.m. ADT tonight low 1004 mb located south of Laurentian
Fan.
By 3:30 p.m. ADT Wednesday low 1001 mb located near the Avalon
Peninsula.
Marine Weather Statement
Issued 7:32 PM ADT 21 April 2026 A low pressure system south of Laurentian Fan this evening will movenortheast tonight to lie near the Avalon Peninsula by Wednesday
afternoon. Strong to gale force northerly winds will develop on the
western side of the low tonight.
Marine interests are advised that a gale warning is in effect for
Laurentian Fan - southeastern half.
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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- Date modified:
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