Marine Forecast
Issued 03:00 PM EDT 21 March 2026
Tonight and Sunday.
Wind northwest 15 to 25 knots diminishing to northerly 10 to 15
late overnight then becoming light Sunday morning. Wind increasing to northeast
10 to 15 Sunday afternoon and to northeast 15 to 25 Sunday
evening.
Scattered flurries ending this evening.
Temperatures minus 1 falling to minus 8
overnight.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 PM EDT 21 March 2026
Tonight and Sunday.
Wind northwest 15 to 25 knots diminishing to northerly 10 to 15
late overnight then becoming light Sunday morning. Wind increasing to northeast
10 to 15 Sunday afternoon and to northeast 15 to 25 Sunday
evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 PM EDT 21 March 2026
Tonight and Sunday.
Over open water seas 1 metre or less.
Weather & Visibility
Issued 03:00 PM EDT 21 March 2026
Tonight and Sunday.
Scattered flurries ending this evening.
Air temperature
Issued 03:00 PM EDT 21 March 2026
Tonight and Sunday.
Temperatures minus 1 falling to minus 8
overnight.
Ice ForecastsIssued 10:00 AM EDT 21 March 2026 Today Tonight and Sunday Ice EdgeIce edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W to 4549N 5848W to Newfoundland near 4740N 5814W. Sea ice north of the ice edge.
Ice Coverage
1 tenth first-year ice except 5 tenths grey-white ice including 2 tenths first-year ice in the southwestern section. Consolidated first-year ice along parts of the coasts.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 PM EDT 21 March 2026 Tonight and Sunday At 3:00 p.m. EDT today low 1002 mb located over Nova Scotia. By 3:00 p.m. EDT Sunday departing low 983 mb located off Newfoundland.
At 3:00 p.m. EDT today ridge located on a line north-south over Lake Ontario. By 8:00 p.m. EDT Sunday ridge located on a line northwest-southeast over the Gulf of St. Lawrence.
At 3:00 p.m. EDT today low 998 mb located near Lake Superior. By 8:00 p.m. EDT Sunday low 1003 mb located over the East Coast of the U.S.
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