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Forecast

Marine Forecast

Issued 05:30 AM EDT 17 August 2026

Today Tonight and Tuesday.

Wind southwest 20 knots veering to west 10 to 15 early this afternoon then becoming light late this afternoon. Wind increasing to southeast 15 Tuesday afternoon then backing to east 20 Tuesday evening.

Rain ending this afternoon. Fog banks.

Temperatures near zero.

Waves

Issued 05:30 AM EDT 17 August 2026
Today Tonight and Tuesday. Outside the ice edge seas 1 metre or less.

Extended Forecast

Issued 05:30 AM EDT 17 August 2026
Wednesday Wind east 20 knots veering to south 20 in the afternoon then to west 25 late in the day.
Thursday Wind west 25 knots diminishing to northwest 10 to 15.
Friday Wind northwest 10 to 15 knots becoming light.

Ice Forecast

Issued 11:00 AM EDT 16 August 2026 Today Tonight and Monday 7 tenths first-year ice including 2 tenths old ice except 9 plus tenths first-year ice including 4 tenths old ice in the southwestern section. 

[ 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 11:00 AM EDT 16 August 2026 Today Tonight and Monday

Ice Edge

First ice edge estimated from Baffin Island near 6306N 6444W to
6220N 6213W to 6525N 5846W to Baffin Island near 6636N 6116W. Sea
ice west of the ice edge.

Second ice edge estimated from Somerset Island near 7357N 9035W to
Devon Island near 7432N 8952W. Sea ice west of the ice edge.

Third ice edge estimated from Devon Island near 7454N 7922W to 7554N
7525W to 7625N 7442W then northeastward. Sea ice northwest of the
ice edge.

Ice Coverage

7 tenths first-year ice including 2 tenths old ice except 9 plus
tenths first-year ice including 4 tenths old ice in the southwestern
section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM MDT 16 August 2026 Tonight and Monday At 0000 UTC Monday quasi-stationary ridge located on a line
northeast-southwest over eastern Devon Island.

At 0000 UTC Tuesday approaching low 993 mb located at 73N 106W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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