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Mackenzie

Warnings

Forecast

Marine Forecast

Issued 07:00 PM MDT 15 August 2026

Tonight and Sunday.

Wind southeast 20 knots diminishing to southeast 15 late overnight and to light early Sunday afternoon.

Fog patches.

Waves

Issued 07:00 PM MDT 15 August 2026
Tonight and Sunday. Outside the ice edge seas 1 metre.

Extended Forecast

Issued 07:00 PM MDT 15 August 2026
Monday Wind east 15 to 20 knots diminishing to east 10 to 15 late in the day.
Tuesday Wind north 10 to 15 knots increasing to northwest 20 to 25.
Wednesday Wind northwest 15 knots becoming east 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 15 August 2026 Today Tonight and Sunday Special ice warning in effect. 2 tenths first-year ice including a trace of old ice except 5 tenths first-year ice including 2 tenths old ice in the extreme northwestern section. Unusual presence of first-year ice in the southern section today and continuing Sunday. 

[ Canadian Ice Service ]

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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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buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 15 August 2026 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Brodeur Peninsula near 7154N 9004W to
7115N 9200W to Nunavut near 7037N 9210W. Sea ice southeast of the
ice edge.

Second ice edge estimated from Nunavut near 6857N 11659W to 7030N
11900W to Victoria Island near 7136N 11854W. Sea ice west of the ice
edge.

Third ice edge estimated from Victoria Island near 6901N 10147W to
6930N 10000W to 7030N 9900W to Prince of Wales Island near 7214N
10128W. Sea ice west of the ice edge.

Fourth ice edge estimated from Prince of Wales Island near 7244N
9630W to Somerset Island near 7320N 9538W. Sea ice northwest of the
ice edge.

Ice Coverage

Special ice warning in effect.

2 tenths first-year ice including a trace of old ice except 5 tenths
first-year ice including 2 tenths old ice in the extreme
northwestern section.
Unusual presence of first-year ice in the southern section today and
continuing Sunday.

Warnings

Warnings (In effect)

Special ice warning in effect

Mackenzie

Issued 10:00 AM EDT 15 August 2026

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM MDT 15 August 2026 Tonight and Sunday At 0000 UTC Sunday departing ridge from 1021 mb high located from
73N 115W to 80N 78W.

At 0000 UTC Sunday low 1001 mb located at 78N 162W.
By 0000 UTC Monday low 993 mb located at 80N 126W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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