Brock
Forecast
Issued 05:00 AM EDT 13 August 2026
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 12 August 2026 Today Tonight and ThursdayIce Edge
First ice edge estimated from Brodeur Peninsula near 7138N 9000W to7116N 9138W to Nunavut near 7037N 9210W. Sea ice southeast of the
ice edge.
Second ice edge estimated from Nunavut near 6858N 11603W to Victoria
Island near 6918N 11556W. Sea ice west of the ice edge.
Third ice edge estimated from Victoria Island near 6848N 10254W to
6828N 10142W to King William Island near 6851N 9914W. Sea ice north
of the ice edge.
Fourth ice edge estimated from King William Island near 6954N 9759W
to Prince of Wales Island near 7118N 9836W. Sea ice west of the ice
edge.
Fifth ice edge estimated from Prince of Wales Island near 7244N
9630W to Somerset Island near 7244N 9537W. Sea ice north of the ice
edge.
Sixth ice edge estimated from Somerset Island near 7320N 9110W to
7329N 8920W to 7352N 8811W then northward. Sea ice northwest 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 PM MDT 12 August 2026 Tonight and Thursday At 0000 UTC Thursday high 1030 mb located at 74N 130W.By 0000 UTC Friday high 1025 mb located at 73N 138W.
At 0000 UTC Thursday low 999 mb located at 72N 63W.
By 0000 UTC Friday weakening low 1003 mb located at 68N 62W.
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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