Mackenzie
Forecast
Marine Forecast
Issued 07:00 PM MDT 19 July 2025
Tonight and Sunday.
Wind east 15 knots increasing to east 20 early Sunday morning and to southeast 30 Sunday evening.
Low tonight zero. High Sunday plus 6.
Waves
Issued 07:00 PM MDT 19 July 2025
Tonight and Sunday.
Over open water seas 1 metre or less.
Extended Forecast
Issued 07:00 PM MDT 19 July 2025
Monday
Wind southeast 30 knots diminishing to west 15
late in the day.
Tuesday
Wind west 15 knots diminishing to
light.
Wednesday
Wind northwest 15 knots diminishing to
light.
Ice Forecast
Issued 10:00 AM EDT 19 July 2025 Today Tonight and Sunday Special ice warning in effect.
4 tenths old ice except 9 plus tenths old ice in the northern
section.
Unusual presence of old ice today and continuing Sunday.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 July 2025 Today Tonight and SundayIce Edge
Ice edge is outside the forecast region.Ice Coverage
Special ice warning in effect.4 tenths old ice except 9 plus tenths old ice in the northern
section.
Unusual presence of old ice today and continuing Sunday.
Warnings
Warnings (In effect)
Special ice warning in effect
Mackenzie
Issued 10:00 AM EDT 19 July 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.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM MDT 19 July 2025 Tonight and Sunday At 0000 UTC Sunday ridge from 1031 mb high located from 76N 145Wto 68N 130W.
By 0000 UTC Monday ridge from 1029 mb high located from 75N 136W
to 68N 128W.
Mackenzie - Mackenzie River Area
- Amundsen
- Axe Point mile 91 to Camsell Bend mile 290
- Baillie
- Banks
- Bathurst
- Bowie
- Byam
- Camsell Bend mile 290 to Tulita mile 512
- Coronation
- Dease
- Dixon Entrance East
- Dixon Entrance West - east of Langara
- Dixon Entrance West - west of Langara
- Dolphin
- Fort Good Hope mile 684 to Point Separation mile 913
- Great Slave Lake - basin
- Great Slave Lake - east arm
- Great Slave Lake - north arm
- Hecate Strait
- Lake Athabasca
- Larsen
- Mackenzie
- Maud
- McClintock
- McClure
- Melville
- North Mackenzie
- North Tuktoyaktuk
- Point Separation mile 913 to Kittigazuit Bay mile 1081
- Prince Alfred
- Prince of Wales
- Rae
- Tuktoyaktuk - northern half
- Tuktoyaktuk - southern half
- Tulita mile 512 to Fort Good Hope mile 684
- Ulukhaktok
- West Coast Haida Gwaii
- Wrigley Harbour mile 0 to Axe Point mile 91
- Yukon Coast
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