Issued 05:30 AM EDT 25 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 10:00 AM EDT 24 September 2017 Today Tonight and Monday

Ice Edge

First ice edge estimated from 7100N 14100W to 7035N 13900W to 7205N
12805W to Banks Island near 7420N 12440W. Sea ice north of the ice

Second ice edge estimated from Banks Island near 7150N 12025W to
Victoria Island near 7155N 11900W. Sea ice north of the ice edge.

Third ice edge estimated from Victoria Island near 6850N 10350W to
6820N 10135W to King William Island near 6855N 9925W. Sea ice north
of the ice edge.

Fourth ice edge estimated from King William Island near 6915N 9600W
to Boothia Peninsula near 6950N 9600W. Sea ice northwest of the ice

Fifth ice edge estimated from Boothia Peninsula near 7145N 9415W to
7240N 9120W to Somerset Island near 7300N 9140W. Sea ice west of the
ice edge.

Sixth ice edge estimated from Brodeur Peninsula 7120N 8950W to 7000N
9005W to Nunavut near 7010N 9135W. Sea ice south and east of the ice

Ice Coverage

8 tenths of old ice.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 6:30 PM MDT 24 September 2017 Tonight and Monday At 0000 UTC Monday deepening low 1004 mb located at 70N 131W.
By 0000 UTC Tuesday deepening low 998 mb located at 72N 120W.

At 0000 UTC Monday weakening high 1023 mb located at 72N 98W.
By 0000 UTC Tuesday high 1017 mb located at 72N 91W.

At 0000 UTC Monday weakening low 994 mb located at 76N 65W.
By 0000 UTC Tuesday low 1003 mb located at 74N 66W.

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