Clarence - northern half

Forecast

Marine Forecast

Issued 05:30 AM EDT 20 September 2017

Today Tonight and Thursday.

Wind north 30 knots diminishing to north 20 late this afternoon. Wind north 20 tonight and Thursday.

Freezing spray warning in effect.

Outside the ice edge moderate freezing spray except severe late this morning.

Temperatures near minus 8.

Waves

Issued 05:30 AM EDT 20 September 2017
Today Tonight and Thursday. Outside the ice edge seas 2 to 3 metres subsiding to 2 late this afternoon.

Extended Forecast

Issued 05:30 AM EDT 20 September 2017
Friday Wind north 20 knots increasing to north 35 in the afternoon.
Saturday Wind north 35 knots diminishing to north 25.
Sunday Wind north 20 knots increasing to north 30.

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)

Freezing spray warning in effect

Clarence - northern half

Issued 05:30 AM EDT 20 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 AM MDT 20 September 2017 Today Tonight and Thursday At 1200 UTC Wednesday merging high 1032 mb located near Resolute.
At 1200 UTC Wednesday merging ridge located off Alaska.
By 0000 UTC Friday ridge located from Beaufort Sea to Boothia
Peninsula.

At 1200 UTC Wednesday weakening trough located from 82N 122W to
70N 126W.
By 0000 UTC Friday dissipating trough located from 81N 93W to
75N 102W.

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