Marine Forecast
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind south 20 knots backing to east 25 this morning then
increasing to northeast 35 early this evening. Wind veering to southeast 40 late
this evening then diminishing to northwest 35 Sunday evening.
Flurries changing to snow this afternoon then to rain or
snow near midnight. Visibility 1 mile or less in snow.
Freezing spray warning in effect.
Freezing spray ending this evening.
Temperatures minus 3 rising to plus 3 Sunday
morning.
Winds
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind south 20 knots backing to east 25 this morning then
increasing to northeast 35 early this evening. Wind veering to southeast 40 late
this evening then diminishing to northwest 35 Sunday evening.
Waves
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Seas 2 metres building to 3 this afternoon and to 5 near
midnight. Seas building to 7 Sunday morning.
Weather & Visibility
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Flurries changing to snow this afternoon then to rain or
snow near midnight. Visibility 1 mile or less in snow.
Air temperature
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Temperatures minus 3 rising to plus 3 Sunday
morning.
Freezing Spray
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Freezing spray warning in effect.
Freezing spray ending 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
Bergy water.
Warnings (In effect)
East Brevoort - northern half
Issued 05:00 AM EST 20 December 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
East Brevoort - 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.