Marine Forecast
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Wind east 20 knots veering to southeast 25 this morning then
diminishing to southeast 15 this afternoon. Wind backing to northeast 20 near
midnight then to north 25 near noon Sunday.
Periods of snow ending this evening. Snow
Sunday.
Freezing spray warning in effect.
Outside the ice edge freezing spray ending this evening.
Freezing spray beginning near midnight and ending Sunday evening.
Temperatures minus 9 rising to minus 1 Sunday
evening.
Winds
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Wind east 20 knots veering to southeast 25 this morning then
diminishing to southeast 15 this afternoon. Wind backing to northeast 20 near
midnight then to north 25 near noon Sunday.
Waves
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Outside the ice edge seas 2 metres subsiding to 1 early this
evening then building to 2 Sunday morning. Seas building to 3 Sunday
evening.
Weather & Visibility
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Periods of snow ending this evening. Snow
Sunday.
Air temperature
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Temperatures minus 9 rising to minus 1 Sunday
evening.
Freezing Spray
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Freezing spray warning in effect.
Outside the ice edge freezing spray ending this evening.
Freezing spray beginning near midnight and ending Sunday evening.
Ice Forecasts
Issued 11:00 AM EST 19 December 2025 Today Tonight and Saturday Ice Edge
Ice edge estimated from 6200N 5947W to 6312N 5752W then
northeastward. Sea ice northwest of the ice edge.
Ice Coverage
4 tenths grey ice except 9 plus tenths grey-white ice in the
northwestern section.
Warnings (In effect)
East Clyde - northern half
Issued 05:00 AM EST 20 December 2025Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Technical Marine Synopsis
Issued 4:45 AM EST 20 December 2025 Today Tonight and Sunday At 1200 UTC Saturday quasi-stationary low 985 mb located at 65N 75W.
At 1200 UTC Saturday low 958 mb located at 54N 62W.
By 0000 UTC Monday low 964 mb located at 65N 56W.