Clarence - northern half

Forecast

Marine Forecast

Issued 05:30 AM EDT 21 September 2017

Today Tonight and Friday.

Gale warning in effect.

Wind north 20 knots increasing to north 30 Friday morning and to north 35 Friday afternoon. Wind diminishing to north 30 Friday evening.

Freezing spray warning in effect.

Outside the ice edge freezing spray.

Temperatures near minus 7.

Waves

Issued 05:30 AM EDT 21 September 2017
Today Tonight and Friday. Outside the ice edge seas 1 metre building to 2 overnight.

Extended Forecast

Issued 05:30 AM EDT 21 September 2017
Saturday Wind north 30 knots diminishing to north 20 in the afternoon.
Sunday Wind north 15 knots increasing to north 25.
Monday Wind north 20 knots diminishing to light.

Ice Forecast

Issued 11:00 AM EDT 20 September 2017 Today Tonight and Thursday 1 tenth old ice except 9 tenths old ice over the western section. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 20 September 2017 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Somerset Island near 7355N 9010W to
7405N 8925W to Devon Island near 7440N 9140W. Sea ice west of the
ice edge.

Second ice edge estimated from Devon Island near 7430N 8145W to
7355N 8300W to 7430N 7605W to 7545N 7355W then northeastward. Sea
ice north of the ice edge.

Ice Coverage

1 tenth old ice except 9 tenths old ice over the western section.

Warnings

Warnings (In effect)

Gale warning in effect

Clarence - northern half

Issued 05:30 AM EDT 21 September 2017

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Freezing spray warning in effect

Clarence - northern half

Issued 05:30 AM EDT 21 September 2017

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM MDT 20 September 2017 Tonight and Thursday At 0000 UTC Thursday merging high 1032 mb located near Resolute.
At 0000 UTC Thursday merging ridge located off Alaska.
By 0000 UTC Friday ridge located from Beaufort Sea to Boothia
Peninsula.

At 0000 UTC Thursday weakening trough located from 82N 117W to
67N 124W.
By 0000 UTC Friday dissipating trough located from 84N 84W to
76N 98W.

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