Marine Forecast
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Gale warning in effect.
Wind southwest 30 knots diminishing to southwest 20 this
afternoon then backing to south 15 near midnight. Wind diminishing to light late
overnight then increasing to north 20 Saturday morning. Wind increasing to north
30 near noon Saturday and to north 40 Saturday afternoon. Wind increasing to
north 45 Saturday evening.
Flurries changing to snow Saturday morning. Visibility 1
mile or less in precipitation.
Freezing spray warning in effect.
Severe freezing spray becoming moderate this evening and ending
overnight. Severe freezing spray beginning near noon Saturday.
Temperatures minus 11 rising to minus 4 Saturday
evening.
Winds
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Gale warning in effect.
Wind southwest 30 knots diminishing to southwest 20 this
afternoon then backing to south 15 near midnight. Wind diminishing to light late
overnight then increasing to north 20 Saturday morning. Wind increasing to north
30 near noon Saturday and to north 40 Saturday afternoon. Wind increasing to
north 45 Saturday evening.
Waves
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Seas 3 metres building to 4 this morning then subsiding to 2
early this evening. Seas subsiding to 1 or less late overnight then building to
3 Saturday afternoon and to 8 Saturday evening.
Weather & Visibility
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Flurries changing to snow Saturday morning. Visibility 1
mile or less in precipitation.
Air temperature
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Temperatures minus 11 rising to minus 4 Saturday
evening.
Freezing Spray
Issued 05:00 AM EST 19 December 2025
Today Tonight and Saturday.
Freezing spray warning in effect.
Severe freezing spray becoming moderate this evening and ending
overnight. Severe freezing spray beginning near noon Saturday.
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
1 tenth 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 - southern half
Issued 5:00 PM EST 19 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 - southern 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.
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.