Marine Forecast

Issued 03:33 PM MDT 16 August 2017

Today Tonight and Thursday.

Wind northwest 15 knots backing to west 20 late overnight. Wind southwest 20 Thursday.

Periods of rain and fog patches ending Thursday evening. Risk of thunderstorms late this afternoon and this evening.


Issued 07:00 AM MDT 16 August 2017
Today Tonight and Thursday. Seas 2 metres becoming 1 to 2 this morning.

Extended Forecast

Issued 07:00 AM MDT 16 August 2017
Friday Wind northeast 20 knots diminishing to light in the afternoon then becoming northwest 15 late in the day.
Saturday Wind northwest 25 knots diminishing to light late in the day.
Sunday Wind light.

Ice Forecast

Issued 10:00 AM EDT 16 August 2017 Today Tonight and Thursday 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 16 August 2017 Today Tonight and Thursday

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 16 August 2017 Today Tonight and Thursday At 1200 UTC Wednesday low 990 mb located at 75N 156W.
By 0000 UTC Friday weakening low 996 mb located at 78N 179W.

At 1200 UTC Wednesday deepening low 994 mb located at 67N 120W.
By 0000 UTC Friday low 989 mb located at 73N 128W.

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