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Forecast

Marine Forecast

Issued 07:00 AM MDT 07 August 2026

Today Tonight and Saturday.

Wind southeast 15 knots becoming northwest 15 near noon Saturday then diminishing to light Saturday evening.

Periods of drizzle Saturday late in the day. Fog patches forming Saturday morning.

Waves

Issued 07:00 AM MDT 07 August 2026
Today Tonight and Saturday. Over open water seas 1 metre or less.

Extended Forecast

Issued 07:00 AM MDT 07 August 2026
Sunday Wind light becoming southwest 15 knots in the morning then diminishing to light late in the day.
Monday Wind light.
Tuesday Wind light becoming north 15 knots late in the day.

Ice Forecast

Issued 10:00 AM EDT 7 August 2026 Today Tonight and Saturday Special ice warning in effect. 4 tenths first-year ice including 1 tenth old ice except 7 tenths old ice in the western section. Unusual presence of first-year ice in the extreme southeastern section today and continuing Saturday. 

[ 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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buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 7 August 2026 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Baffin Island near 7105N 8932W to 7112N
9033W to 7245N 9049W to 7319N 8909W to 7352N 8811W then northward.
Sea ice west of the ice edge.

Ice Coverage

Special ice warning in effect.

4 tenths first-year ice including 1 tenth old ice except 7 tenths
old ice in the western section.
Unusual presence of first-year ice in the extreme southeastern
section today and continuing Saturday.

Warnings

Warnings (In effect)

Special ice warning in effect

Banks

Issued 10:00 AM EDT 07 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 7 August 2026 Today Tonight and Saturday At 1200 UTC Friday weakening trough from 1008 mb low located off
Arctic Coast of Alaska.
By 0000 UTC Sunday dissipating trough from 1011 mb low located
from 71N 131W to 71N 127W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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