Marine Forecast
Issued 03:00 PM EDT 21 April 2026
Tonight and Wednesday.
Wind southwest 10 to 15 knots diminishing to light early this
evening then increasing to northeast 10 to 20 Wednesday afternoon.
Low tonight minus 3. High Wednesday plus 3.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 PM EDT 21 April 2026
Tonight and Wednesday.
Wind southwest 10 to 15 knots diminishing to light early this
evening then increasing to northeast 10 to 20 Wednesday afternoon.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 PM EDT 21 April 2026
Tonight and Wednesday.
Seas 1 metre or less.
Air temperature
Issued 03:00 PM EDT 21 April 2026
Tonight and Wednesday.
Low tonight minus 3. High Wednesday plus 3.
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 3:00 PM EDT 21 April 2026 Tonight and Wednesday At 3:00 p.m. EDT today ridge located on a line north-south over the Gaspe Peninsula. By 8:00 p.m. EDT Wednesday ridge located on a line north-south over Anticosti Island.
At 3:00 p.m. EDT today trough located on a line northeast-southwest over Lake Superior. By 8:00 p.m. EDT Wednesday trough located on a line north-south over Lake Saint-Jean.
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