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Larsen

Warnings

Forecast

Marine Forecast

Issued 05:30 AM EDT 17 October 2026

Today Tonight and Sunday.

Wind southeast 15 knots backing to east 20 near noon then increasing to east 25 late this afternoon. Wind east 25 tonight and Sunday.

Scattered flurries ending early this morning. Scattered flurries overnight and Sunday.

Freezing spray warning in effect.

Outside the ice edge freezing spray beginning this evening and ending Sunday afternoon.

Temperatures near minus 6.

Waves

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

Extended Forecast

Issued 05:30 AM EDT 17 October 2026
Monday Wind light.
Tuesday Wind light becoming southeast 15 knots.
Wednesday Wind southeast 15 knots increasing to southeast 30 late in the day.

Ice Forecast

Issued 10:00 AM EDT 17 October 2026 Today Tonight and Sunday 2 tenths new ice except 6 tenths new ice including 1 tenth multi-year 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 17 October 2026 Today Tonight and Sunday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

2 tenths new ice except 6 tenths new ice including 1 tenth
multi-year ice in the southwestern section.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Larsen

Issued 05:30 AM EDT 17 October 2026

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 17 October 2026 Today Tonight and Sunday At 1200 UTC Saturday weakening ridge from 1025 mb high located
from 67N 93W to 77N 140W.
By 0000 UTC Monday weakening ridge located from 67N 83W to 81N 103W.

At 1200 UTC Saturday trough located over eastern Davis Strait.
By 0000 UTC Monday low 979 mb located at 74N 64W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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