Marine Forecast
Issued 05:00 AM CST 18 December 2025
Today Tonight and Friday.
Wind west 25 to 30 knots diminishing to northwest 15 early this
evening then increasing to northwest 20 Friday morning. Wind veering to north 25
Friday evening.
Periods of snow. Visibility 1 mile or less in
snow.
Freezing spray warning in effect.
Moderate at times severe freezing spray.
Temperatures near minus 9.
Winds
Issued 05:00 AM CST 18 December 2025
Today Tonight and Friday.
Wind west 25 to 30 knots diminishing to northwest 15 early this
evening then increasing to northwest 20 Friday morning. Wind veering to north 25
Friday evening.
Waves
Issued 05:00 PM CST 17 December 2025
Tonight and Thursday.
Seas 3 metres subsiding to 1 to 2 Thursday evening.
Weather & Visibility
Issued 05:00 AM CST 18 December 2025
Today Tonight and Friday.
Periods of snow. Visibility 1 mile or less in
snow.
Air temperature
Issued 05:00 AM CST 18 December 2025
Today Tonight and Friday.
Temperatures near minus 9.
Freezing Spray
Issued 05:00 AM CST 18 December 2025
Today Tonight and Friday.
Freezing spray warning in effect.
Moderate at times severe freezing spray.
Ice Forecasts
Issued 11:00 AM EST 17 December 2025 Today Tonight and Thursday Ice Edge
Ice edge is outside the forecast region.
Ice Coverage
1 tenth new ice except 9 plus tenths grey-white ice near the Ontario
coast.
Warnings (In effect)
Belcher
Issued 05:00 AM CST 18 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 18 December 2025 Today Tonight and Friday At 1200 UTC Thursday low 970 mb located at 65N 65W.
By 0000 UTC Saturday low 991 mb located at 65N 68W.
By 0000 UTC Saturday low 994 mb located at 75N 65W.
At 1200 UTC Thursday ridge from 1027 mb high located from 55N 96W
to 54N 81W.
By 0000 UTC Saturday high 1015 mb located at 53N 88W.