Marine Forecast
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Storm warning in effect.
Wind southwest 15 knots diminishing to light early this morning
then increasing to east 15 late this morning. Wind increasing to east 25 near
noon and to northeast 35 this afternoon. Wind increasing to north 50 late
overnight then diminishing to northwest 40 near noon Sunday.
Flurries changing to snow near noon then to flurries Sunday
evening. Visibility 1 mile or less in snow.
Freezing spray warning in effect.
Moderate freezing spray ending this morning. Moderate freezing
spray late this afternoon and this evening. Severe freezing spray beginning
Sunday afternoon.
Temperatures minus 7 rising to plus 1 Sunday morning then
falling to minus 5 Sunday evening.
Winds
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Storm warning in effect.
Wind southwest 15 knots diminishing to light early this morning
then increasing to east 15 late this morning. Wind increasing to east 25 near
noon and to northeast 35 this afternoon. Wind increasing to north 50 late
overnight then diminishing to northwest 40 near noon Sunday.
Waves
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Seas 3 metres subsiding to 1 early this morning then building to
2 this afternoon. Seas building to 4 this evening and to 6 late overnight and to
8 Sunday morning.
Weather & Visibility
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Flurries changing to snow near noon then to 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 7 rising to plus 1 Sunday morning then
falling to minus 5 Sunday evening.
Freezing Spray
Issued 05:00 AM EST 20 December 2025
Today Tonight and Sunday.
Freezing spray warning in effect.
Moderate freezing spray ending this morning. Moderate freezing
spray late this afternoon and this evening. Severe freezing spray beginning
Sunday afternoon.
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 except 5 tenths new ice in the western section.
Warnings (In effect)
Central Brevoort - northern 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.
Central 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.