Byam
Forecast
Marine Forecast
Issued 05:30 PM EDT 23 September 2023
Tonight and Sunday.
Wind light tonight and Sunday.
Flurries Sunday evening. Fog patches forming late this evening and dissipating Sunday morning.
Temperatures near minus 2.
Waves
Issued 05:30 PM EDT 23 September 2023
Tonight and Sunday.
Over open water seas 1 metre or less.
Extended Forecast
Issued 05:30 PM EDT 23 September 2023
Monday
Wind light.
Tuesday
Wind north 15 knots diminishing to light late
in the day.
Wednesday
Wind northwest 15 knots diminishing to
light.
Ice Forecast
Issued 11:00 AM EDT 23 September 2023 Today Tonight and Sunday 5 tenths old ice.
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Weather Conditions
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Legend:


Ice Conditions
Ice Forecasts
Issued 11:00 AM EDT 23 September 2023 Today Tonight and SundayIce Edge
First ice edge estimated from Prince of Wales Island near 7350N9935W to 7437N 9851W to Cornwallis Island near 7458N 9623W. Sea ice
northwest of the ice edge.
Second ice edge estimated from Cornwallis Island near 7533N 9414W to
Devon Island near 7615N 9347W. Sea ice west of the ice edge.
Third ice edge estimated from Devon Island near 7428N 8652W to
Borden Peninsula near 7344N 8249W. Sea ice east of the ice edge.
Fourth ice edge estimated from Borden Peninsula near 7332N 8112W to
Bylot Island near 7333N 8052W. Sea ice north of the ice edge.
Fifth ice edge estimated from Bylot Island near 7319N 7646W to 7525N
7510W to 7520N 7329W then eastward. Sea ice northwest of the ice
edge.
Ice Coverage
5 tenths old ice.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM MDT 23 September 2023 Tonight and Sunday At 0000 UTC Sunday low 997 mb located at 70N 104W.By 0000 UTC Monday weakening low 1006 mb located at 73N 65W.
At 0000 UTC Sunday low 1000 mb located at 79N 123W.
By 0000 UTC Monday weakening low 1008 mb located at 80N 118W.
At 0000 UTC Monday building high 1021 mb located at 72N 104W.
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
- 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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