CU4
Forecast
Marine Forecast
Issued 05:00 AM EDT 30 September 2023
Today Tonight and Sunday.
Wind south 15 knots increasing to south 20 early this morning then veering to west 25 early this afternoon. Wind diminishing to west 15 late this afternoon and to light early this evening. Wind increasing to south 20 late this evening and to south 30 overnight. Wind diminishing to southwest 20 Sunday morning and to southwest 15 Sunday afternoon.
Snow changing to scattered flurries near noon then to snow after midnight. Scattered flurries Sunday afternoon and evening. Visibility 1 mile or less in snow.
Temperatures near minus 2.
Waves
Issued 05:00 AM EDT 30 September 2023
Today Tonight and Sunday.
Over open water seas 1 metre or less building to 1 to 2 near noon
then subsiding to 1 or less late this afternoon. Seas building to 1 to 2 late
overnight and to 2 to 3 Sunday morning then subsiding to 1 to 2 near noon
Sunday.
Extended Forecast
Issued 05:00 AM EDT 30 September 2023
Monday
Wind southwest 15 knots diminishing to light in
the morning.
Tuesday
Wind north 15 knots increasing to north
20.
Wednesday
Wind north 20 knots.
Ice Forecast
Issued 10:00 AM EDT 29 September 2023 Today Tonight and Saturday Forecasts available to mariners upon request.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 29 September 2023 Today Tonight and SaturdayIce Edge
First ice edge estimated from 7258N 13755W to 7145N 13251W to 7205N12725W to Banks Island near 7237N 12504W. Sea ice north of the ice
edge.
Second ice edge estimated from Stefansson Island near 7321N 10431W
to Prince of Wales Island near 7325N 10126W. Sea ice north of the
ice edge.
Third ice edge estimated from Brodeur Peninsula near 7154N 9005W to
7142N 9128W to 6953N 9049W to Nunavut near 6916N 8908W. Sea ice east
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 MDT 30 September 2023 Today Tonight and Sunday At 1200 UTC Saturday departing ridge located from 73N 120W to69N 126W.
At 1200 UTC Saturday intensifying low 999 mb located at 72N 170W.
By 0000 UTC Monday low 986 mb located at 81N 152W.
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
Another Region
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