St. Roch

Forecast

Marine Forecast

Issued 07:00 AM MDT 21 July 2017

Today Tonight and Saturday.

Wind light increasing to southwest 15 to 20 knots this afternoon then diminishing to light late overnight. Wind increasing to southwest 15 to 20 Saturday morning.

Waves

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

Extended Forecast

Issued 07:00 AM MDT 21 July 2017
Sunday Wind west 15 knots veering to northwest 20 in the afternoon then diminishing to light late in the day.
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 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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