Marine Forecast
Issued 03:00 PM EDT 20 March 2026
Tonight and Saturday.
Wind southwest 10 to 20 knots becoming light this evening then
increasing to northwest 10 to 15 late overnight. Wind increasing to northwest 15
to 25 near noon Saturday then diminishing to northwest 10 to 15 Saturday
evening.
Periods of snow overnight and Saturday
morning.
Temperatures near minus 2.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 PM EDT 20 March 2026
Tonight and Saturday.
Wind southwest 10 to 20 knots becoming light this evening then
increasing to northwest 10 to 15 late overnight. Wind increasing to northwest 15
to 25 near noon Saturday then diminishing to northwest 10 to 15 Saturday
evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 PM EDT 20 March 2026
Tonight and Saturday.
Over open water seas 1 metre or less.
Weather & Visibility
Issued 03:00 PM EDT 20 March 2026
Tonight and Saturday.
Periods of snow overnight and Saturday
morning.
Air temperature
Issued 03:00 PM EDT 20 March 2026
Tonight and Saturday.
Temperatures near minus 2.
Ice ForecastsIssued 10:00 AM EDT 20 March 2026 Today Tonight and Saturday 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
3 tenths new ice including 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 20 March 2026 Tonight and Saturday At 3:00 p.m. EDT today trough located from Lake Ontario to Labrador. By 8:00 p.m. EDT Saturday trough located on a line north-south over the Gulf of St. Lawrence.
At 3:00 p.m. EDT today ridge located on a line north-south over the Midwestern states. By 8:00 p.m. EDT Saturday ridge located on a line north-south over Québec city.
At 8:00 p.m. EDT Saturday approaching low 998 mb located south of Lake Superior.
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