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Mackenzie

Warnings

Forecast

Marine Forecast

Issued 07:00 AM MDT 19 August 2026

Today Tonight and Thursday.

Wind light increasing to east 20 knots near noon Thursday.

Scattered showers this afternoon and this evening. Fog patches dissipating near noon. Fog patches reforming near midnight.

Temperatures plus 2 rising to plus 7 Thursday evening.

Waves

Issued 07:00 AM MDT 19 August 2026
Today Tonight and Thursday. Over open water seas 1 metre or less building to 1 to 2 Thursday evening.

Extended Forecast

Issued 07:00 AM MDT 19 August 2026
Friday Wind east 20 knots diminishing to light in the morning.
Saturday Wind light increasing to northwest 20 knots late in the day.
Sunday Wind northwest 20 knots.

Ice Forecast

Issued 10:00 AM EDT 19 August 2026 Today Tonight and Thursday Special ice warning in effect. 1 tenth first-year ice including a trace of old ice except 5 tenths old ice in the northwestern section. Unusual presence of first-year ice in the southeastern section today and continuing Thursday. 

[ 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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 August 2026 Today Tonight and Thursday

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 6948N 12206W to 7040N
11958W 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.

1 tenth first-year ice including a trace of old ice except 5 tenths
old ice in the northwestern section.
Unusual presence of first-year ice in the southeastern section today
and continuing Thursday.

Warnings

Warnings (In effect)

Special ice warning in effect

Mackenzie

Issued 10:00 AM EDT 19 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 AM MDT 19 August 2026 Today Tonight and Thursday At 1200 UTC Wednesday dissipating low 989 mb located at 86N 147W.

At 1200 UTC Wednesday building ridge located from 71N 167W to
76N 125W.
By 0000 UTC Friday high 1019 mb located at 74N 127W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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