St. Roch

Forecast

Marine Forecast

Issued 07:00 PM MDT 21 July 2017

Tonight and Saturday.

Wind southwest 15 knots diminishing to light near midnight then becoming southwesterly 15 Saturday morning.

Waves

Issued 07:00 PM MDT 21 July 2017
Tonight and Saturday. Over open water seas 1 metre or less.

Extended Forecast

Issued 07:00 PM MDT 21 July 2017
Sunday Wind variable 15 knots becoming northwest 15 in the morning then increasing to northwest 20 in the afternoon.
Monday Wind west 15 knots increasing to south 25 late in the day.
Tuesday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 21 July 2017 Today Tonight and Saturday Ice pressure warning in effect. Open water except 1 tenth of first-year ice in Rae Strait. 9 plus tenths of first-year ice including a trace of old ice north of Matty Island. Strong ice pressure today and Saturday in the pack ice north of Matty 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.

Open water except 1 tenth of first-year ice in Rae Strait. 9 plus
tenths of first-year ice including a trace of old ice north of Matty
Island. Strong ice pressure today and Saturday in the pack ice north
of Matty Island.

Warnings

Warnings (In effect)

Ice pressure warning in effect

St. Roch

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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