Dease
Forecast
Marine Forecast
Issued 07:00 AM MST 08 November 2025
Today Tonight and Sunday.
Wind light increasing to southeast 15 knots late this afternoon then backing to east 20 Sunday evening.
Scattered flurries.
Freezing spray warning in effect.
Over open water freezing spray beginning Sunday evening.
Temperatures near minus 7.
Waves
Issued 07:00 AM MST 08 November 2025
Today Tonight and Sunday.
Over open water seas 1 metre or less.
Extended Forecast
Issued 07:00 AM MST 08 November 2025
Monday
Wind east 20 to 25 knots.
Tuesday
Wind east 20 to 25 knots.
Wednesday
Wind north 15 knots.
Ice Forecast
Issued 10:00 AM EST 8 November 2025 Today Tonight and Sunday 3 tenths new ice including 1 tenth grey ice. Consolidated grey ice
along parts of the coast in the southeastern section.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 8 November 2025 Today Tonight and SundayIce Coverage
3 tenths new ice including 1 tenth grey ice. Consolidated grey ice
along parts of the coast in the southeastern section.
Warnings
Warnings (In effect)
Freezing spray warning in effect
Dease
Issued 07:00 AM MST 08 November 2025Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 6:30 AM MST 8 November 2025 Today Tonight and Sunday At 1200 UTC Saturday ridge from 1030 mb high located from 80N 107Wto 68N 103W.
By 0000 UTC Monday ridge from 1028 mb high located from 77N 115W
to 67N 90W.
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 - 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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