Marine Forecast
Issued 05:00 PM EST 17 December 2025
Tonight and Thursday.
Wind light increasing to northeast 20 knots this evening then
diminishing to northeast 10 to 15 near midnight. Wind increasing to north 20 to
25 early Thursday morning then diminishing to southeast 15 Thursday
afternoon.
Freezing spray warning in effect.
Outside the ice edge freezing spray late this evening. Freezing
spray Thursday morning and afternoon.
Low tonight minus 10. High Thursday minus 2.
Winds
Issued 05:00 PM EST 17 December 2025
Tonight and Thursday.
Wind light increasing to northeast 20 knots this evening then
diminishing to northeast 10 to 15 near midnight. Wind increasing to north 20 to
25 early Thursday morning then diminishing to southeast 15 Thursday
afternoon.
Waves
Issued 05:00 AM EST 17 December 2025
Today Tonight and Thursday.
Outside the ice edge seas 1 metre building to 1 to 2 Thursday
morning then subsiding to 1 Thursday evening.
Air temperature
Issued 05:00 PM EST 17 December 2025
Tonight and Thursday.
Low tonight minus 10. High Thursday minus 2.
Freezing Spray
Issued 05:00 PM EST 17 December 2025
Tonight and Thursday.
Freezing spray warning in effect.
Outside the ice edge freezing spray late this evening. Freezing
spray Thursday morning and afternoon.
Ice Forecasts
Issued 11:00 AM EST 17 December 2025 Today Tonight and Thursday Ice Edge
Ice edge estimated from 6200N 5947W to 6312N 5752W then
northeastward. Sea ice northwest of the ice edge.
Ice Coverage
3 tenths grey ice except 9 plus tenths grey-white ice in the
northwestern section.
Warnings (In effect)
East Clyde
Issued 5:00 PM EST 17 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 PM EST 17 December 2025 Tonight and Thursday At 0000 UTC Thursday trough from 972 mb low located from 63N 67W
to 63N 86W.
By 0000 UTC Friday low 971 mb located from 64N 72W to 58N 78W.
At 0000 UTC Friday quasi-stationary ridge from 1023 mb high located
from 55N 96W to 54N 81W.