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.
Winds
Issued 08:00 PM ADT 21 April 2026
Tonight and Wednesday.
Wind light becoming southeast 10 to 15 knots Wednesday
afternoon.
Air temperature
Issued 08:00 PM ADT 21 April 2026
Tonight and Wednesday.
Temperatures near minus 2.
Ice ForecastsIssued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday Ice EdgeFirst ice edge estimated from Cape Breton Island near 4702N 6025W to 4745N 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.
No watches or warnings in effect.
Technical Marine SynopsisIssued 8:00 PM ADT 21 April 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight ridge located from Labrador to the Gulf of 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 StatementIssued 7:32 PM ADT 21 April 2026 A low pressure system south of Laurentian Fan this evening will move northeast 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.
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