St. Roch

Warnings

Forecast

Marine Forecast

Issued 07:00 PM MDT 21 August 2018

Tonight and Wednesday.

Wind northwest 20 knots diminishing to northwest 15 near midnight and to light Wednesday morning.

A few showers or a few flurries changing to periods of light snow near midnight then to chance of showers or flurries Wednesday late in the day.

Waves

Issued 07:00 PM MDT 21 August 2018
Tonight and Wednesday. Seas 1 metre.

Extended Forecast

Issued 07:00 PM MDT 21 August 2018
Thursday Wind light increasing to northwest 20 knots in the morning and to northwest 25 late in the day.
Friday Wind northwest 25 knots.
Saturday Wind northwest 25 knots diminishing to northwest 15.

Ice Forecast

Issued 10:00 AM EDT 21 August 2018 Today Tonight and Wednesday Open water except 7 tenths first-year ice including a trace of old ice north of Matty Island. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 August 2018 Today Tonight and Wednesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Open water except 7 tenths first-year ice including a trace of old
ice north of Matty Island.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM MDT 21 August 2018 Tonight and Wednesday At 0000 UTC Wednesday trough from 996 mb low located from 70N 122W
to 68N 97W then to 64N 085W.
By 0000 UTC Thursday low 993 mb located at 65N 84W.

At 0000 UTC Wednesday building ridge.
By 0000 UTC Thursday ridge from 1029 mb high located over 76N 147W
extending southwestward.

Arctic - Eastern Arctic Area

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