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Forecast

Marine Forecast

Issued 05:30 PM EDT 21 August 2018

Tonight and Wednesday.

Wind north 20 knots increasing to north 30 early Wednesday morning then diminishing to north 20 Wednesday evening.

Chance of flurries changing to a few flurries early Wednesday morning with risk of freezing drizzle.

Temperatures near minus 1.

Waves

Issued 05:30 PM EDT 21 August 2018
Tonight and Wednesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 05:30 PM EDT 21 August 2018
Thursday Wind north 20 knots diminishing to light late in the day.
Friday Wind light becoming north 15 knots late in the day.
Saturday Wind north 15 knots.

Ice Forecast

Issued 11:00 AM EDT 21 August 2018 Today Tonight and Wednesday Forecasts available to mariners upon request. 

[ Canadian Ice Service ]

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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 Lutselke Airport Norman Wells Airport Paulatuk Airport Pelly Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Liverpool Bay Little Chicago Storm Hills Bathurst Inlet Kugluktuk Airport Hat Island Croker River Cambridge Bay Airport Cape Peel West Gateshead Island Stefansson Island Cape Providence Ulukhaktok Airport Sachs Harbour Airport Thomsen River Prairie River Egg Island Fort Chipewyan Airport Stony Rapids Airport Uranium City
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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 21 August 2018 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Hall Peninsula near 6400N 6440W to
6320N 6005W to 6335N 5755W then northeastward. Sea ice north of the
ice edge.

Second ice edge estimated from near 7035N 6115W to 7040N 6850W near
the Baffin Island. Sea ice south of the ice edge.

Third ice edge estimated from Baffin Island near 7215N 7500W to
7240N 7210W to 7440N 7245W 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 August 2018 Tonight and Wednesday At 0000 UTC Wednesday trough from 996 mb low located from 70N 122W
to 68N 97W then to 64N 085W.
By 0000 UTC Thursday low 993 mb located at 65N 84W.

At 0000 UTC Wednesday building ridge.
By 0000 UTC Thursday ridge from 1029 mb high located over 76N 147W
extending southwestward.

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