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Forecast
Issued 05:30 AM EST 12 December 2025
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 11:00 AM EST 12 December 2025 Today Tonight and SaturdayIce Edge
Ice edge estimated from Baffin Island near 6200N 6601W to 6215N6400W to 6424N 6253W to 6535N 5742W then northeastward. Sea ice
northwest of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 AM MST 12 December 2025 Today Tonight and Saturday At 1200 UTC Friday quasi-stationary trough located on a linenorth-south over eastern Baffin Bay.
At 1200 UTC Friday ridge located from 67N 106W to 81N 70W.
By 0000 UTC Sunday ridge located from 67N 84W to 81N 79W.
By 0000 UTC Sunday approaching low 999 mb located at 71N 103W.
Mackenzie - Mackenzie River Area
- Amundsen
- Axe Point mile 91 to Camsell Bend mile 290
- Baillie
- Banks
- Bathurst
- Bowie - northern half
- 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 - northern half
- Lake Athabasca - eastern half
- Lake Athabasca - western half
- 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 - northern half
- Wrigley Harbour mile 0 to Axe Point mile 91
- Yukon Coast
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