Marine Forecast
Issued 05:00 AM EST 18 December 2025
Today Tonight and Friday.
Wind east 30 knots becoming southwest 30 late this morning then
diminishing to southwest 15 to 20 near midnight. Wind backing to south 20 to 25
Friday morning then diminishing to light Friday evening.
Snow ending near noon. Periods of snow Friday afternoon and
evening. Visibility 1 mile or less in snow.
Freezing spray warning in effect.
Outside the ice edge moderate freezing spray except severe late
this afternoon and this evening.
High today minus 3. Low tonight minus 14. High Friday
minus 6.
Winds
Issued 05:00 AM EST 18 December 2025
Today Tonight and Friday.
Wind east 30 knots becoming southwest 30 late this morning then
diminishing to southwest 15 to 20 near midnight. Wind backing to south 20 to 25
Friday morning then diminishing to light Friday evening.
Waves
Issued 05:00 PM EST 17 December 2025
Tonight and Thursday.
Outside the ice edge seas 1 to 2 metres building to 2 to 3 early
this evening.
Weather & Visibility
Issued 05:00 AM EST 18 December 2025
Today Tonight and Friday.
Snow ending near noon. Periods of snow Friday afternoon and
evening. Visibility 1 mile or less in snow.
Air temperature
Issued 05:00 AM EST 18 December 2025
Today Tonight and Friday.
High today minus 3. Low tonight minus 14. High Friday
minus 6.
Freezing Spray
Issued 05:00 AM EST 18 December 2025
Today Tonight and Friday.
Freezing spray warning in effect.
Outside the ice edge moderate freezing spray except severe late
this afternoon and this evening.
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
7 tenths new ice including 3 tenths grey ice. Consolidated grey ice
in a few sheltered bays.
Warnings (In effect)
West Davis - southern half
Issued 05:00 AM EST 18 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 18 December 2025 Today Tonight and Friday At 1200 UTC Thursday low 970 mb located at 65N 65W.
By 0000 UTC Saturday low 991 mb located at 65N 68W.
By 0000 UTC Saturday low 994 mb located at 75N 65W.
At 1200 UTC Thursday ridge from 1027 mb high located from 55N 96W
to 54N 81W.
By 0000 UTC Saturday high 1015 mb located at 53N 88W.