Marine Forecast

Issued 07:00 AM MDT 22 July 2017

Today Tonight and Sunday.

Wind southwest 15 to 20 knots veering to northwest 20 late this morning then diminishing to northwest 15 early Sunday morning.

Chance of showers late this afternoon and tonight.


Issued 07:00 AM MDT 22 July 2017
Today Tonight and Sunday. Seas 1 metre or less.

Extended Forecast

Issued 07:00 AM MDT 22 July 2017
Monday Wind northwest 15 knots diminishing to light in the morning then increasing to northwest 20 late in the day.
Tuesday Wind light increasing to northwest 20 knots late in the day.
Wednesday Wind northwest 20 knots.

Ice Forecast

Issued 10:00 AM EDT 22 July 2017 Today Tonight and Sunday Open water. 

[ 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 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 22 July 2017 Today Tonight and Sunday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Open water.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 6:30 AM MDT 22 July 2017 Today Tonight and Sunday At 1200 UTC Saturday trough located from 80N 108W to 74N 96W then
to 67N 108W.
By 0000 UTC Sunday dissipating trough located from 82N 106W to
74N 91W.

At 0300 UTC Sunday deepening low 998 mb located at 68N 98W.
By 0000 UTC Monday trough from 983 mb low located from 74N 95W to
67N 88W.

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