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Larsen

Warnings

Forecast

Marine Forecast

Issued 05:30 AM EDT 20 October 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind light increasing to southeast 15 knots early this evening and to southeast 20 Wednesday morning. Wind increasing to south 35 Wednesday evening.

Scattered flurries changing to snow Wednesday afternoon. Visibility 1 mile or less in snow.

Temperatures near minus 3.

Waves

Issued 05:30 AM EDT 20 October 2026
Today Tonight and Wednesday. Outside the ice edge seas 1 metre or less.

Extended Forecast

Issued 05:30 AM EDT 20 October 2026
Thursday Wind south 35 knots diminishing to southwest 25 in the morning then veering to northwest 20 to 25 in the afternoon.
Friday Wind northwest 20 to 25 knots.
Saturday Wind northwest 20 to 25 knots diminishing to west 15.

Ice Forecast

Issued 10:00 AM EDT 20 October 2026 Today Tonight and Wednesday 8 tenths new ice including 3 tenths grey ice except 7 tenths grey ice including 1 tenth multi-year ice in the southwestern section. Consolidated grey ice along parts of the King William Island coast and in a few sheltered bays. 

[ Canadian Ice Service ]

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Map of Arctic - Western Arctic marine weather areas Resolute Airport Thomsen River Ulukhaktok Airport Cape Providence Nangmagvik Lake Komakuk Beach Taloyoak Airport Cape Stallworthy Stefansson Island Mould Bay Naujaat Rea Point Pond Inlet Airport Isachsen Igloolik Airport Sanirajak Airport Grise Fiord Airport Gateshead Island Kugluktuk Airport Little Chicago Storm Hills Liverpool Bay Bathurst Inlet Tuktoyaktuk Airport Pelly Island Paulatuk Airport Norman Wells Airport Sachs Harbour Airport Keats Point Inuvik Airport Tulita Airport Fort Good Hope Airport Cape Parry Airport Aklavik Airport Shingle Point Airport Fort Ross Arctic Bay Cambridge Bay Airport CFS Alert Croker River Shepherd Bay Airport Herschel Island Cape Liverpool Cape Peel West Kugaaruk Airport Gjoa Haven Airport Eureka Airport Hat Island
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 20 October 2026 Today Tonight and Wednesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

8 tenths new ice including 3 tenths grey ice except 7 tenths grey
ice including 1 tenth multi-year ice in the southwestern section.
Consolidated grey ice along parts of the King William Island coast
and in a few sheltered bays.

Warnings

Warnings (In effect)

Gale warning in effect

Larsen

Issued 05:30 AM EDT 20 October 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.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 20 October 2026 Today Tonight and Wednesday At 1200 UTC Tuesday dissipating low 1005 mb located at 67N 100W.

At 1200 UTC Tuesday ridge located from 74N 89W to 67N 67W.
By 0000 UTC Thursday ridge located from 73N 62W to 67N 78W.

By 0000 UTC Thursday approaching trough from 984 mb low located
from 68N 116W to 80N 133W.

Arctic - Western Arctic Area

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Marine Weather for Canada

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