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Larsen

Warnings

Forecast

Marine Forecast

Issued 05:30 AM EDT 13 September 2026

Today Tonight and Monday.

Gale warning in effect.

Wind southeast 25 knots increasing to east 35 early this morning then diminishing to northeast 30 early this evening. Wind diminishing to north 20 overnight and to north 15 Monday morning. Wind diminishing to light Monday afternoon.

Snow or rain ending near midnight. Visibility 1 mile or less in precipitation.

Temperatures near plus 1.

Waves

Issued 05:30 AM EDT 13 September 2026
Today Tonight and Monday. Seas 1 to 2 metres subsiding to 1 Monday morning.

Extended Forecast

Issued 05:30 AM EDT 13 September 2026
Tuesday Wind south 15 knots diminishing to light in the morning then increasing to northwest 20 in the afternoon.
Wednesday Wind northwest 20 knots.
Thursday Wind west 15 knots.

Ice Forecast

Issued 10:00 AM EDT 13 September 2026 Today Tonight and Monday Bergy water. 

[ 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 10:00 AM EDT 13 September 2026 Today Tonight and Monday

Ice Edge

First ice edge estimated from Northwest Territories near 7004N
12421W to 7025N 12233W to Banks Island near 7157N 12547W. Sea ice
west of the ice edge.

Second ice edge estimated from Banks Island near 7133N 12030W to
Victoria Island near 7138N 11901W. Sea ice north of the ice edge.

Third ice edge estimated from Victoria Island near 6953N 10052W to
7020N 9933W to Prince of Wales Island near 7158N 10017W. Sea ice
northwest of the ice edge.

Fourth ice edge estimated from Prince of Wales Island near 7323N
9708W to Somerset Island near 7326N 9539W. Sea ice north of the ice
edge.

Ice Coverage

Bergy water.

Warnings

Warnings (In effect)

Gale warning in effect

Larsen

Issued 05:30 AM EDT 13 September 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 13 September 2026 Today Tonight and Monday At 1200 UTC Sunday low 988 mb located at 70N 99W.
By 0000 UTC Tuesday low 995 mb located at 65N 84W.

At 1200 UTC Sunday dissipating low 995 mb located at 75N 72W.

At 1200 UTC Sunday low 996 mb located at 75N 146W.
By 0000 UTC Tuesday trough from 1001 mb low located from 78N 115W
to 70N 106W.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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