Issued 05:30 PM EDT 24 September 2017

Forecasts have ended for the season.

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Weather Conditions

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Map of Mackenzie - Mackenzie River marine weather areas Great Slave Lake - 45141 Great Slave Lake North Arm - 45150 Herschel Island Komakuk Beach Shingle Point Airport Aklavik Airport Cape Parry Airport Fort Good Hope Airport Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Hay River/Merlyn Carter Airport Inner Whaleback Rocks Inuvik Airport Keats Point Norman Wells Airport Paulatuk Airport Pelly Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Kugluktuk Airport Hat Island Cambridge Bay Airport Cape Peel West Stefansson Island Ulukhaktok Airport Sachs Harbour Airport Thomsen River Egg Island Fort Chipewyan Airport Stony Rapids Airport Liverpool Bay Little Chicago Lutselke Airport Storm Hills Croker River Prairie River Uranium City Cape Providence Tuktoyaktuk Bathurst Inlet Gateshead Island
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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 24 September 2017 Today Tonight and Monday

Ice Edge

First ice edge estimated from Somerset Island near 7350N 9015W to
7350N 8955W to 7415N 9135W to Devon Island near 7440N 9140W. Sea ice
west of the ice edge.

Second ice edge estimated from Devon Island near 7425N 8645W to
7410N 8515W to Bylot Island near 7345N 8050W. Sea ice to the
northeast of the ice edge.

Third ice edge estimated from Bylot Island near 7330N 7710W to 7330N
7515W to 7435N 7630W to 7545N 7355W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 6:30 AM MDT 24 September 2017 Today Tonight and Monday At 1200 UTC Sunday weakening high 1025 mb located at 72N 101W.
By 0000 UTC Tuesday high 1017 mb located at 72N 93W.

At 1200 UTC Sunday low 997 mb located at 68N 51W.
By 0000 UTC Tuesday low 1003 mb located at 74N 71W.

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