Larsen

Forecast

Marine Forecast

Issued 05:30 AM EDT 21 July 2017

Today Tonight and Saturday.

Wind southwest 15 knots increasing to southwest 20 late this afternoon and to southwest 25 after midnight. Wind veering to northwest 20 Saturday evening with gusts to 25.

Temperatures near plus 3.

Waves

Issued 05:30 AM EDT 21 July 2017
Today Tonight and Saturday. Mainly ice covered.

Extended Forecast

Issued 05:30 AM EDT 21 July 2017
Sunday Wind northwest 30 knots diminishing to light in the afternoon then increasing to southwest 25 late in the day.
Monday Wind southwest 25 knots diminishing to southwest 15 late in the day.
Tuesday Wind light increasing to northeast 25 knots.

Ice Forecast

Issued 10:00 AM EDT 21 July 2017 Today Tonight and Saturday Ice pressure warning in effect. 9 plus tenths of first-year ice including a trace of old ice except 9 plus tenths of old ice in the eastern section north of Admiralty Island. Strong ice pressure today and Saturday in the pack ice north and northeast of King William Island. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 July 2017 Today Tonight and Saturday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Ice pressure warning in effect.

9 plus tenths of first-year ice including a trace of old ice except
9 plus tenths of old ice in the eastern section north of Admiralty
Island. Strong ice pressure today and Saturday in the pack ice north
and northeast of King William Island.

Warnings

Warnings (In effect)

Ice pressure warning in effect

Larsen

Issued 10:00 AM EDT 21 July 2017

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 21 July 2017 Today Tonight and Saturday At 1200 UTC Friday trough from 995 mb low located from 80N 120W
to 68N 130W.
By 0000 UTC Sunday trough from 995 mb low located from 75N 95W to
65N 105W.

At 0000 UTC Sunday approaching trough from 985 mb low located from
76N 148W to 68N 135W.

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