Byam
Forecast
Issued 05:30 AM EDT 18 August 2026
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 11:00 AM EDT 17 August 2026 Today Tonight and TuesdayIce Edge
First ice edge estimated from Baffin Island near 6306N 6444W to6220N 6213W to 6525N 5846W to Baffin Island near 6636N 6116W. Sea
ice west of the ice edge.
Second ice edge estimated from Somerset Island near 7357N 9035W to
Devon Island near 7432N 8952W. Sea ice west of the ice edge.
Third ice edge estimated from Devon Island near 7454N 7922W to 7554N
7525W to 7625N 7442W then northeastward. Sea ice northwest of the
ice edge.
Ice Coverage
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Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 AM MDT 18 August 2026 Today Tonight and Wednesday At 1200 UTC Tuesday departing trough from low located from 85N140W to 79N 95W.
At 1200 UTC Tuesday low 994 mb located at 70N 135W.
By 0000 UTC Thursday low 994 mb located at 72N 107W.
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
- 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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