Marine Forecast
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Gale warning in effect.
Wind southwest 25 knots diminishing to southwest 15 near
midnight and to light Saturday morning. Wind increasing to northeast 20 near
noon Saturday and to north 35 Saturday evening.
Flurries changing to snow near noon Saturday. Visibility 1
mile or less in snow.
Freezing spray warning in effect.
Over open water severe freezing spray becoming moderate this
evening and ending Saturday morning. Moderate freezing spray beginning Saturday
afternoon.
Temperatures minus 12 rising to minus 5 Saturday
evening.
Winds
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Gale warning in effect.
Wind southwest 25 knots diminishing to southwest 15 near
midnight and to light Saturday morning. Wind increasing to northeast 20 near
noon Saturday and to north 35 Saturday evening.
Waves
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Over open water seas 2 metres building to 3 this morning then
subsiding to 2 early this evening. Seas subsiding to 1 late
overnight.
Weather & Visibility
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Flurries changing to snow near noon Saturday. Visibility 1
mile or less in snow.
Air temperature
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Temperatures minus 12 rising to minus 5 Saturday
evening.
Freezing Spray
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Freezing spray warning in effect.
Over open water severe freezing spray becoming moderate this
evening and ending Saturday morning. Moderate freezing spray beginning Saturday
afternoon.
Ice Forecasts
Issued 11:00 AM EST 19 December 2025 Today Tonight and Saturday 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. Consolidated grey ice in a few sheltered bays.
Warnings (In effect)
West Brevoort - northern half
Issued 5:00 PM EST 19 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.
West Brevoort - northern half
Issued 5:00 PM EST 19 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.
Watches (In effect)
Special marine watch in effect
West Brevoort - northern half
Issued 4:25 PM EST 19 December 2025
Storm force winds are expected to develop overnight Saturday. These winds will then weaken Sunday afternoon.
Wave heights of 6-8 metres are also expected.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Technical Marine Synopsis
Issued 4:45 PM EST 19 December 2025 Tonight and Saturday At 0000 UTC Saturday dissipating low 987 mb located at 65N 68W.
At 0000 UTC Sunday approaching low 948 mb located at 57N 57W.