Larsen

Forecast

Marine Forecast

Issued 05:30 AM EDT 22 July 2017

Today Tonight and Sunday.

Wind south 20 knots diminishing to variable 10 to 15 early this evening then increasing to northwest 20 near noon Sunday.

A few showers beginning Sunday morning.

Waves

Issued 05:30 AM EDT 22 July 2017
Today Tonight and Sunday. Mainly ice covered.

Extended Forecast

Issued 05:30 AM EDT 22 July 2017
Monday Wind light increasing to west 20 knots in the morning then diminishing to light in the afternoon.
Tuesday Wind light becoming west 15 knots late in the day.
Wednesday Wind northwest 15 knots increasing to northwest 30 late in the day.

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 PM MDT 21 July 2017 Tonight and Saturday At 0000 UTC Saturday trough from 995 mb low located from 72N 109W
to 67N 119W.
By 0600 UTC Sunday weakening trough from 996 mb low located from
71N 94W to 67N 97W.

At 1800 UTC Saturday deepening trough from 987 mb low located from
76N 151W to 67N 135W.
By 0600 UTC Sunday trough from 988 mb low located from 76N 135W
to 72N 121W then to 67N 124W.

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