Marine Forecast
Issued 07:00 PM MDT 05 October 2026
Tonight and Tuesday.
Wind northeast 15 knots tonight and Tuesday.
Scattered flurries.
Temperatures near minus 1.
Winds
Issued 07:00 PM MDT 05 October 2026
Tonight and Tuesday.
Wind northeast 15 knots tonight and Tuesday.
Waves
Issued 07:00 PM MDT 05 October 2026
Tonight and Tuesday.
Over open water seas 1 to 2 metres.
Weather & Visibility
Issued 07:00 PM MDT 05 October 2026
Tonight and Tuesday.
Scattered flurries.
Air temperature
Issued 07:00 PM MDT 05 October 2026
Tonight and Tuesday.
Temperatures near minus 1.
Ice Forecasts
Issued 10:00 AM EDT 5 October 2026 Today Tonight and Tuesday Ice Edge
First ice edge estimated from Northwest Territories near 6942N
13420W to 7120N 12616W to Banks Island near 7157N 12549W. Sea ice
northwest of the ice edge.
Second ice edge estimated from Banks Island near 7130N 12037W to
Victoria Island near 7136N 11854W. Sea ice north of the ice edge.
Third ice edge estimated from Victoria Island near 6940N 10139W to
6918N 10129W to 6917N 9925W to Prince of Wales Island near 7117N
9841W. Sea ice north then west of the ice edge.
Fourth ice edge estimated from Prince of Wales Island near 7234N
9624W to Somerset Island near 7233N 9519W. Sea ice north of the ice
edge.
Fifth ice edge estimated from Somerset Island near 7200N 9401W to
7159N 9340W to 7228N 9259W to Brodeur Peninsula near 7303N 8918W.
Sea ice northwest of the ice edge.
Sixth ice edge estimated from Boothia Peninsula near 7122N 9300W to
7142N 9303W to Boothia Peninsula near 7155N 9424W. Sea ice southwest
of the ice edge.
Ice Coverage
Special ice warning in effect.
1 tenth multi-year ice except 3 tenths multi-year ice in the
northwestern section.
Unusual presence of multi-year ice in the southwestern section today
and continuing Tuesday.
Warnings (In effect)
Mackenzie
Issued 10:00 AM EDT 05 October 2026Navigators 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 6:30 PM MDT 5 October 2026 Tonight and Tuesday At 0000 UTC Tuesday low 1007 mb located at 76N 140W.
By 0000 UTC Wednesday low 1005 mb located at 77N 121W.
By 0000 UTC Wednesday high 1022 mb located at 73N 157W.