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Clarence - northern half

Forecast

Marine Forecast

Issued 05:30 AM EDT 26 September 2023

Today Tonight and Wednesday.

Gale warning in effect.

Wind northeast 25 knots increasing to north 35 Wednesday morning.

Periods of snow tonight. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water moderate freezing spray becoming severe Wednesday morning.

Temperatures near minus 7.

Waves

Issued 05:30 AM EDT 26 September 2023
Today Tonight and Wednesday. Over open water seas 1 to 2 metres building to 2 to 3 overnight.

Extended Forecast

Issued 05:30 PM EDT 26 September 2023
Thursday Wind north 30 knots increasing to north 35 in the morning then diminishing to north 30 late in the day.
Friday Wind north 30 knots.
Saturday Wind north 20 knots diminishing to light.

Ice Forecast

Issued 11:00 AM EDT 26 September 2023 Today Tonight and Wednesday Ice pressure warning in effect. 2 tenths old ice except 7 tenths new ice including 2 tenths old ice in the western section. Consolidated old ice along parts of the coast. Strong ice pressure developing this afternoon along parts of the coast of Ellesmere Island and continuing Wednesday. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 26 September 2023 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Banks Island near 7342N 11549W to
7317N 10947W to Victoria Island near 7332N 10656W. Sea ice north of
the ice edge.

Second ice edge estimated from Prince of Wales Island near 7354N
9735W to Cornwallis Island near 7458N 9623W. Sea ice west of the ice
edge.

Third ice edge estimated from Cornwallis Island near 7533N 9414W to
Devon Island near 7615N 9347W. Sea ice west of the ice edge.

Fourth ice edge estimated from Devon Island near 7432N 8939W to
7415N 8919W to Brodeur Peninsula near 7349N 8652W. Sea ice east of
the ice edge.

Fifth ice edge estimated from Borden Peninsula near 7326N 8110W to
Bylot Island near 7324N 8052W. Sea ice north of the ice edge.

Sixth ice edge estimated from Bylot Island near 7252N 7603W to 7247N
7405W to 7514N 7505W to 7513N 7321W then eastward. Sea ice northwest
of the ice edge.

Ice Coverage

Ice pressure warning in effect.

2 tenths old ice except 7 tenths new ice including 2 tenths old ice
in the western section. Consolidated old ice along parts of the
coast. Strong ice pressure developing this afternoon along parts of
the coast of Ellesmere Island and continuing Wednesday.

Warnings

Warnings (In effect)

Gale warning in effect

Clarence - northern half

Issued 5:30 PM EDT 26 September 2023

'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 5:30 PM EDT 26 September 2023

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.

Ice pressure warning in effect

Clarence - northern half

Issued 11:00 AM EDT 26 September 2023

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 26 September 2023 Tonight and Wednesday At 0000 UTC Wednesday low 992 mb located at 71N 79W.
By 0000 UTC Thursday low 997 mb located at 71N 65W.

At 0000 UTC Wednesday ridge from 1023 mb high located from 70N
108W to 67N 99W.
By 0000 UTC Thursday high 1024 mb located at 74N 105W.

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