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Larsen

Forecast

Marine Forecast

Issued 05:30 AM EDT 13 August 2022

Today Tonight and Sunday.

Wind northwest 30 knots diminishing to northwest 15 early this evening then backing to southwest 15 after midnight. Wind veering to northwest 15 Sunday afternoon then diminishing to light Sunday evening.

Periods of snow changing to scattered showers near midnight and ending Sunday afternoon. Visibility as low as 1 mile in snow.

Waves

Issued 05:30 AM EDT 13 August 2022
Today Tonight and Sunday. Over open water seas 3 to 4 metres subsiding to 1 to 2 late this evening and to 1 or less after midnight. Seas building to 1 to 2 Sunday morning then subsiding to 1 or less Sunday evening.

Extended Forecast

Issued 05:30 AM EDT 13 August 2022
Monday Wind light becoming northeast 15 knots in the afternoon.
Tuesday Wind northeast 20 knots diminishing to light late in the day.
Wednesday Wind east 15 knots backing to northeast 20.

Ice Forecast

Issued 10:00 AM EDT 13 August 2022 Today Tonight and Sunday Ice pressure warning in effect. 3 tenths first-year ice including a trace of old ice except 9 tenths first-year ice including a trace of old ice near the coast of King William Island. Strong ice pressure along parts of the coast of King William Island today and easing this evening. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Mackenzie - Mackenzie River marine weather areas Great Slave Lake - 45141 Great Slave Lake North Arm - 45150 Herschel Island Komakuk Beach Shingle Point Airport Aklavik Airport Cape Parry Airport Fort Good Hope Airport Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Hay River/Merlyn Carter Airport Inner Whaleback Rocks Inuvik Airport Keats Point Lutselke Airport Norman Wells Airport Paulatuk Airport Pelly Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Liverpool Bay Little Chicago Storm Hills Bathurst Inlet Kugluktuk Airport Hat Island Croker River Cambridge Bay Airport Cape Peel West Gateshead Island Stefansson Island Cape Providence Ulukhaktok Airport Sachs Harbour Airport Thomsen River Prairie River Egg Island Fort Chipewyan Airport Stony Rapids Airport Uranium City
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 13 August 2022 Today Tonight and Sunday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Ice pressure warning in effect.

3 tenths first-year ice including a trace of old ice except 9 tenths
first-year ice including a trace of old ice near the coast of King
William Island. Strong ice pressure along parts of the coast of King
William Island today and easing this evening.

Warnings

Warnings (In effect)

Ice pressure warning in effect

Larsen

Issued 10:00 AM EDT 13 August 2022

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 13 August 2022 Today Tonight and Sunday At 1200 UTC Saturday merging low 989 mb located at 72N 90W.
At 1200 UTC Saturday merging low 995 mb located at 75N 130W.
By 0000 UTC Monday weakening low 1000 mb located at 74N 83W.

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