Marine Forecast
Issued 05:00 PM CST 05 December 2025
Tonight and Saturday.
Wind northwest 25 knots increasing to northwest 30 Saturday
afternoon.
Flurries.
Freezing spray warning in effect.
Outside the ice edge severe freezing spray.
Temperatures near minus 15.
Winds
Issued 05:00 PM CST 05 December 2025
Tonight and Saturday.
Wind northwest 25 knots increasing to northwest 30 Saturday
afternoon.
Waves
Issued 05:00 AM CST 05 December 2025
Today Tonight and Saturday.
Outside the ice edge seas 2 metres building to 3 Saturday
afternoon.
Weather & Visibility
Issued 05:00 PM CST 05 December 2025
Tonight and Saturday.
Flurries.
Air temperature
Issued 05:00 PM CST 05 December 2025
Tonight and Saturday.
Temperatures near minus 15.
Freezing Spray
Issued 05:00 PM CST 05 December 2025
Tonight and Saturday.
Freezing spray warning in effect.
Outside the ice edge severe freezing spray.
Ice Forecasts
Issued 11:00 AM EST 5 December 2025 Today Tonight and Saturday Ice Edge
Ice edge estimated from Quebec near 6025N 6454W to 5917N 6657W to
5931N 6815W to 6115N 6915W to 6215N 6924W to Baffin Island near
6156N 6636W. Sea ice south then north of the ice edge.
Ice Coverage
Ice pressure warning in effect.
Open water except 9 plus tenths grey ice including 3 tenths
grey-white ice in the southern and western sections. Consolidated
grey-white ice along parts of the coast.
Strong ice pressure along the coast near Churchill developing
Saturday afternoon.
Warnings (In effect)
Churchill - western half
Issued 5:00 PM CST 05 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.
Churchill - western half
Issued 11:00 AM EST 05 December 2025Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.
Technical Marine Synopsis
Issued 4:45 PM EST 5 December 2025 Tonight and Saturday At 0000 UTC Saturday departing low 992 mb located at 64N 80W.
At 0000 UTC Saturday low 993 mb located at 58N 89W.
By 0000 UTC Sunday low 989 mb located at 56N 79W.
At 0000 UTC Saturday quasi-stationary trough located from 60N 60W
to 67N 67W.