Marine Forecast
Issued 05:00 PM EST 20 December 2025
Tonight and Sunday.
Storm warning in effect.
Wind north 40 knots increasing to northwest 50 late overnight
then diminishing to northwest 35 Sunday afternoon. Wind diminishing to west 25
Sunday evening.
Snow changing to scattered flurries Sunday morning.
Visibility 1 mile or less in precipitation.
Freezing spray warning in effect.
Outside the ice edge moderate freezing spray becoming severe
this evening.
Temperatures minus 6 falling to minus 11 Sunday
evening.
Winds
Issued 05:00 PM EST 20 December 2025
Tonight and Sunday.
Storm warning in effect.
Wind north 40 knots increasing to northwest 50 late overnight
then diminishing to northwest 35 Sunday afternoon. Wind diminishing to west 25
Sunday evening.
Waves
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Seas 1 metre building to 2 this afternoon and to 4 this evening.
Seas building to 6 late overnight and to 8 Sunday morning then subsiding to 6
Sunday evening.
Weather & Visibility
Issued 05:00 PM EST 20 December 2025
Tonight and Sunday.
Snow changing to scattered flurries Sunday morning.
Visibility 1 mile or less in precipitation.
Air temperature
Issued 05:00 PM EST 20 December 2025
Tonight and Sunday.
Temperatures minus 6 falling to minus 11 Sunday
evening.
Freezing Spray
Issued 05:00 PM EST 20 December 2025
Tonight and Sunday.
Freezing spray warning in effect.
Outside the ice edge moderate freezing spray becoming severe
this evening.
Ice Forecasts
Issued 11:00 AM EST 20 December 2025 Today Tonight and Sunday Ice Edge
Ice edge estimated from 6200N 5947W to 6312N 5752W then
northeastward. Sea ice northwest of the ice edge.
Ice Coverage
3 tenths new ice except 4 tenths grey ice along parts of the coast.
Consolidated grey ice in a few sheltered bays.
Warnings (In effect)
West Brevoort
Issued 5:00 PM EST 20 December 2025'Storm' force winds of 48 to 63 knots are 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.
West Brevoort
Issued 5:00 PM 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 PM EST 20 December 2025 Tonight and Sunday At 0000 UTC Sunday quasi-stationary low 983 mb located at 68N 77W.
At 0000 UTC Sunday low 947 mb located at 59N 57W.
By 0000 UTC Monday low 969 mb located at 71N 62W.