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Mackenzie

Warnings

Forecast

Marine Forecast

Issued 07:00 PM MDT 20 September 2026

Tonight and Monday.

Wind north 15 knots increasing to north 20 after midnight then diminishing to north 15 late Monday morning. Wind diminishing to light early Monday afternoon.

Showers changing to rain this evening then to flurries after midnight and ending near noon Monday. Flurries Monday evening.

Temperatures near minus 1.

Waves

Issued 07:00 PM MDT 20 September 2026
Tonight and Monday. Over open water seas 1 metre.

Extended Forecast

Issued 07:00 PM MDT 20 September 2026
Tuesday Wind light becoming southwest 10 to 15 knots in the afternoon.
Wednesday Wind southwest 10 to 15 knots becoming light late in the day.
Thursday Wind north 15 to 20 knots diminishing to light late in the day.

Ice Forecast

Issued 10:00 AM EDT 20 September 2026 Today Tonight and Monday Special ice warning in effect. 2 tenths first-year ice including a trace of old ice except 3 tenths old ice in the extreme northern section. Unusual presence of first-year ice in the southwestern section today and continuing Monday. 

[ 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 20 September 2026 Today Tonight and Monday

Ice Edge

First ice edge estimated from Northwest Territories near 7004N
12421W to Banks Island near 7105N 12303W. Sea ice west of the ice
edge.

Second ice edge estimated from Banks Island near 7133N 12030W to
Victoria Island near 7138N 11901W. Sea ice north of the ice edge.

Third ice edge estimated from Victoria Island near 6941N 10055W to
7023N 9839W to Prince of Wales Island near 7121N 9912W. Sea ice
northwest of the ice edge.

Fourth ice edge estimated from Prince of Wales Island near 7303N
9752W to Somerset Island near 7325N 9538W. Sea ice north of the ice
edge.

Ice Coverage

Special ice warning in effect.

2 tenths first-year ice including a trace of old ice except 3 tenths
old ice in the extreme northern section.
Unusual presence of first-year ice in the southwestern section today
and continuing Monday.

Warnings

Warnings (In effect)

Special ice warning in effect

Mackenzie

Issued 10:00 AM EDT 20 September 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 20 September 2026 Tonight and Monday At 0000 UTC Monday low 982 mb located at 81N 148W.
By 0000 UTC Tuesday low 985 mb located at 82N 163W.

At 0000 UTC Monday ridge located from 975N 147W to 79N 88W.
By 0000 UTC Tuesday ridge located from 81N 120W to 71N 137W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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