Marine Forecast
Issued 05:00 PM CST 05 December 2025
Tonight and Saturday.
Wind light increasing to southwest 20 knots this evening and to
west 30 Saturday evening.
Flurries.
Freezing spray warning in effect.
Moderate freezing spray beginning this evening becoming severe
Saturday morning.
Temperatures minus 8 falling to minus 16 near noon
Saturday.
Winds
Issued 05:00 PM CST 05 December 2025
Tonight and Saturday.
Wind light increasing to southwest 20 knots this evening and to
west 30 Saturday evening.
Waves
Issued 05:00 AM CST 05 December 2025
Today Tonight and Saturday.
Seas 2 metres building to 3 Saturday evening.
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 minus 8 falling to minus 16 near noon
Saturday.
Freezing Spray
Issued 05:00 PM CST 05 December 2025
Tonight and Saturday.
Freezing spray warning in effect.
Moderate freezing spray beginning this evening becoming severe
Saturday morning.
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
1 tenth new ice except 9 tenths new ice including 3 tenths grey ice
along the coast in the western section.
Warnings (In effect)
James Bay - northern 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.
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.