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Marine Forecast

Issued 07:00 AM MDT 21 July 2026

Today Tonight and Wednesday.

Wind northeast 15 knots increasing to southeast 25 Wednesday morning.

Fog patches dissipating late this afternoon.

Waves

Issued 07:00 AM MDT 21 July 2026
Today Tonight and Wednesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 07:00 AM MDT 21 July 2026
Thursday Wind southeast 25 knots.
Friday Wind light increasing to north 25 knots.
Saturday Wind north 30 knots diminishing to northwest 20 late in the day.

Ice Forecast

Issued 10:00 AM EDT 21 July 2026 Today Tonight and Wednesday 8 tenths first-year ice including 2 tenths old ice except 9 tenths old ice in the northwestern section. Consolidated first-year ice including a trace of old ice along parts of the coast. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 21 July 2026 Today Tonight and Wednesday

Ice Coverage

8 tenths first-year ice including 2 tenths old ice except 9 tenths
old ice in the northwestern section. Consolidated first-year ice
including a trace of old ice along parts of the coast.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 21 July 2026 Today Tonight and Wednesday At 1200 UTC Tuesday departing high 1026 mb located at 75N 134W.

By 0000 UTC Thursday approaching low 1005 mb located at 70N 141W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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