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Marine Forecast

Issued 07:00 AM MDT 21 October 2020

Today Tonight and Thursday.

Gale warning in effect.

Wind west 15 knots increasing to southwest 20 to 25 this evening and to west 35 Thursday evening.

Snow overnight and Thursday. Visibility 1 mile or less in snow.

Temperatures minus 5 rising to zero Thursday afternoon.


Issued 07:00 AM MDT 21 October 2020
Today Tonight and Thursday. Over open water seas 1 metre building to 1 to 2 near noon Thursday.

Extended Forecast

Issued 07:00 AM MDT 21 October 2020
Friday Wind west 30 knots diminishing to northwest 20 in the morning and to light late in the day.
Saturday Wind south 15 knots diminishing to light.
Sunday Wind west 20 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 21 October 2020 Today Tonight and Thursday Forecasts available to mariners upon request. 

[ Canadian Ice Service ]

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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 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 10:00 AM EDT 21 October 2020 Today Tonight and Thursday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Forecasts available to mariners upon request.


Warnings (In effect)

Gale warning in effect


Issued 08:03 AM MDT 21 October 2020

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.


Technical Marine Synopsis

Issued 6:30 PM MDT 21 October 2020 Tonight and Thursday At 0000 UTC Thursday departing ridge located from 65N 135W to
75N 150W.

At 0000 UTC Thursday low 1015 mb located at 75N 170W.
By 0000 UTC Friday trough from 1007 mb low located from 75N 137W
to 70N 130W.

Mackenzie - Mackenzie River Area

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