CX4
Forecast
Marine Forecast
Issued 05:00 AM EDT 19 August 2026
Today Tonight and Thursday.
Wind southwest 20 knots diminishing to light late overnight. Wind light Thursday.
Flurries. Fog forming Thursday afternoon. Visibility as low as 1 mile in flurries and 1 mile or less in fog.
Temperatures near minus 1.
Waves
Issued 05:00 AM EDT 19 August 2026
Today Tonight and Thursday.
Mainly ice covered.
Extended Forecast
Issued 05:00 AM EDT 19 August 2026
Friday
Wind light becoming west 15 knots in the
afternoon.
Saturday
Wind west 15 knots diminishing to light late
in the day.
Sunday
Wind light becoming southwest 15 knots late in
the day.
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Weather Conditions
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Ice Conditions
Forecasts are unavailable until further request
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 AM MDT 19 August 2026 Today Tonight and Thursday At 1200 UTC Wednesday dissipating trough located from 86N 138W to81N 103W.
At 1200 UTC Wednesday low 995 mb located at 72N 112W.
By 0000 UTC Friday weakening low 1004 mb located at 71N 98W.
At 0000 UTC Friday approaching high 1019 mb located at 74N 127W.
Arctic - Western Arctic Area
- Admiralty
- Alert
- Amundsen
- Axel Heiberg
- Baillie
- Ballantyne
- Banks
- Barrow
- Bartlett
- Bathurst
- Boothia
- Borden
- Brock
- Byam
- Camsell Bend mile 290 to Tulita mile 512
- Clarence - northern half
- Clarence - southern half
- Committee
- Coronation
- CT4
- CU4
- CV4
- CV5
- CW3
- CW4
- CW5
- CX4
- Dease
- Dolphin
- East Baffin - northern half
- Ellef Ringnes
- Ellesmere
- Eureka - northern half
- Eureka - southern half
- Fitzwilliam
- Fort Good Hope mile 684 to Point Separation mile 913
- Greely
- Griper
- Gustaf
- Hassel
- Hazen
- Igloolik
- Jones - eastern half
- Jones - western half
- Kane - northern half
- Kane - southern half
- Lancaster - eastern half
- Lancaster - western half
- Larsen
- Liddon
- Mackenzie
- Maclean
- Massey
- Maud
- McClintock
- McClure
- Melville
- Nansen
- Navy Board
- Northwest Beaufort
- North Mackenzie
- North Prince Patrick
- North Sverdrup
- North Tuktoyaktuk
- Norwegian
- Peary
- Peel
- Point Separation mile 913 to Kittigazuit Bay mile 1081
- Pond
- Prince Alfred
- Prince of Wales
- Prince Patrick
- Queens
- Rae
- Regent
- Robeson - northern half
- Robeson - southern half
- Roes Welcome - northern half
- South Axel Heiberg
- South Ellef Ringnes
- South Prince Patrick
- South Sverdrup
- St. Roch
- Tuktoyaktuk - northern half
- Tuktoyaktuk - southern half
- Tulita mile 512 to Fort Good Hope mile 684
- Ulukhaktok
- Ward Hunt
- West Baffin - northern half
- West Baffin - southern half
- West Foxe
- West Prince Alfred
- Wilkins
- Yukon Coast
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