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Mackenzie

Warnings

Forecast

Marine Forecast

Issued 07:00 PM MDT 12 September 2026

Tonight and Sunday.

Gale warning in effect.

Wind west 15 knots backing to southwest 20 this evening then veering to northwest 15 late overnight. Wind backing to west 20 Sunday morning then increasing to west 30 near noon Sunday. Wind increasing to west 35 Sunday afternoon.

Showers overnight and Sunday afternoon.

Waves

Issued 07:00 PM MDT 12 September 2026
Tonight and Sunday. Over open water seas 1 metre building to 1 to 2 near noon Sunday and to 2 to 3 Sunday afternoon. Seas building to 3 to 4 early Sunday evening.

Extended Forecast

Issued 07:00 PM MDT 12 September 2026
Monday Wind west 30 knots diminishing to northwest 20 in the afternoon.
Tuesday Wind northwest 15 knots diminishing to light.
Wednesday Wind east 15 knots veering to southeast 20.

Ice Forecast

Issued 10:00 AM EDT 12 September 2026 Today Tonight and Sunday Special ice warning in effect. Bergy water except 1 tenth old ice in the western section. Unusual presence of old ice in the extreme southwestern 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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 September 2026 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Nunavut near 6921N 11953W to 7012N
11936W to 7036N 12333W to Banks Island near 7157N 12547W. 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 7002N 10055W to
7028N 9948W to Prince of Wales Island near 7158N 10017W. Sea ice
northwest of the ice edge.

Fourth ice edge estimated from Prince of Wales Island near 7323N
9708W to Somerset Island near 7326N 9539W. Sea ice north of the ice
edge.

Ice Coverage

Special ice warning in effect.

Bergy water except 1 tenth old ice in the western section.
Unusual presence of old ice in the extreme southwestern section
today and continuing Sunday.

Warnings

Warnings (In effect)

Gale warning in effect

Mackenzie

Issued 7:00 PM MDT 12 September 2026

'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.

Special ice warning in effect

Mackenzie

Issued 10:00 AM EDT 12 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 12 September 2026 Tonight and Sunday At 0000 UTC Sunday low 992 mb located at 73N 160W.
By 0000 UTC Monday low 999 mb located at 75N 133W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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