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Warnings

Forecast

Marine Forecast

Issued 07:00 AM MDT 11 August 2026

Today Tonight and Wednesday.

Wind northwest 15 to 20 knots diminishing to northwest 10 to 15 early this morning then becoming light late overnight. Wind light Wednesday.

Fog forming Wednesday morning and dissipating Wednesday afternoon.

Waves

Issued 07:00 AM MDT 11 August 2026
Today Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 07:00 AM MDT 11 August 2026
Thursday Wind light.
Friday Wind northwest 20 knots.
Saturday Wind northwest 15 knots.

Ice Forecast

Issued 10:00 AM EDT 11 August 2026 Today Tonight and Wednesday Bergy water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Mackenzie - Mackenzie River marine weather areas Kugluktuk Airport Great Slave Lake - 45141 Keats Point Łutselk'e Airport Storm Hills Hay River/Merlyn Carter Airport Norman Wells Airport Cape Peel West Paulatuk Airport Great Slave Lake North Arm - 45150 Liverpool Bay Pelly Island Hat Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Bathurst Inlet Croker River Sachs Harbour Airport Thomsen River Ulukhaktok Airport Prairie River Egg Island Fort Chipewyan Airport Stony Rapids Airport Uranium City Cape Providence Komakuk Beach Little Chicago Cambridge Bay Airport Shingle Point Airport Inuvik Airport Aklavik Airport Cape Parry Airport Herschel Island Gateshead Island Fort Good Hope Airport Stefansson Island Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Inner Whaleback Rocks
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 11 August 2026 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Nunavut near 6858N 11603W to Victoria
Island near 6918N 11556W. Sea ice west of the ice edge.

Second ice edge estimated from Victoria Island near 6848N 10254W to
6828N 10142W to King William Island near 6851N 9914W. Sea ice north
of the ice edge.

Third ice edge estimated from King William Island near 6954N 9759W
to Prince of Wales Island near 7118N 9836W. Sea ice west of the ice
edge.

Fourth ice edge estimated from Brodeur Peninsula near 7138N 9000W to
7116N 9138W to Nunavut near 7037N 9210W. Sea ice southeast of the
ice edge.

Fifth ice edge estimated from Prince of Wales Island near 7244N
9630W to Somerset Island near 7244N 9537W. Sea ice north of the ice
edge.

Sixth ice edge estimated from 7320N 9110W to 7329N 8920W to Somerset
Island near 7352N 8811W. Sea ice northwest of the ice edge.

Ice Coverage

Bergy water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM MDT 10 August 2026 Tonight and Tuesday At 0000 UTC Tuesday quasi-stationary high 1030 mb located at
76N 123W.

At 0000 UTC Tuesday trough located on a line north-south over
eastern Baffin Bay.
By 0000 UTC Wednesday deepening trough from 1007 mb low located
over 74N 64W extending southeastward.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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