Marine Forecast
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Storm warning in effect.
Wind southeast 20 knots increasing to east 30 this morning and
to east 40 near noon. Wind increasing to southeast 50 early this evening then
diminishing to southeast 35 late overnight. Wind diminishing to northwest 25
near noon Sunday then increasing to northwest 35 Sunday afternoon.
Flurries changing to snow near noon then to rain this
evening. Flurries Sunday evening. Visibility 1 mile or less in
snow.
Freezing spray warning in effect.
Freezing spray this afternoon. Freezing spray beginning Sunday
evening.
Temperatures minus 4 rising to plus 3 near midnight then
falling to minus 2 Sunday evening.
Winds
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Storm warning in effect.
Wind southeast 20 knots increasing to east 30 this morning and
to east 40 near noon. Wind increasing to southeast 50 early this evening then
diminishing to southeast 35 late overnight. Wind diminishing to northwest 25
near noon Sunday then increasing to northwest 35 Sunday afternoon.
Waves
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Seas 1 metre building to 2 this morning and to 4 this afternoon.
Seas building to 6 this evening and to 8 late overnight then subsiding to 6
Sunday morning. Seas subsiding to 4 Sunday afternoon.
Weather & Visibility
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Flurries changing to snow near noon then to rain this
evening. Flurries Sunday evening. Visibility 1 mile or less in
snow.
Air temperature
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Temperatures minus 4 rising to plus 3 near midnight then
falling to minus 2 Sunday evening.
Freezing Spray
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Freezing spray warning in effect.
Freezing spray this afternoon. Freezing spray beginning Sunday
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 - southern half
Issued 05:00 AM 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.
East Brevoort - southern 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.