McClure

Forecast

Issued 05:30 PM EDT 21 July 2017

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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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 21 July 2017 Today Tonight and Saturday

Ice Edge

Ice edge estimated from 6115N 6315W to 6130N 6000W to 6410N 5755W
then northeastward. Sea ice west 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 21 July 2017 Tonight and Saturday At 0000 UTC Saturday departing high 1016 mb located over Arctic
Coast of Alaska.

At 0600 UTC Saturday deepening trough from 988 mb low located from
76N 168W to 67N 159W.
By 0000 UTC Sunday trough from 988 mb low located from 75N 135W
to 72N 122W then to 68N 125W.

At 0000 UTC Sunday deepening high 1009 mb located over Arctic
Coast of Alaska.
By 0600 UTC Sunday quasi-stationary high 1009 mb located off Arctic
Coast of Alaska.

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