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James Bay - southern half

Forecast

Marine Forecast

Issued 05:00 AM CST 11 December 2023

Today Tonight and Tuesday.

Wind west 20 knots diminishing to west 15 early this morning then backing to south 20 near midnight. Wind increasing to west 30 near noon Tuesday.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending after midnight. Freezing spray beginning Tuesday afternoon.

Temperatures minus 9 rising to minus 4 near noon Tuesday then falling to minus 9 Tuesday evening.

Waves

Issued 05:00 AM CST 11 December 2023
Today Tonight and Tuesday. Seas 2 metres subsiding to 1 early this morning.

Extended Forecast

Issued 05:00 AM CST 11 December 2023
Wednesday Wind west 20 knots increasing to northwest 30 in the afternoon then diminishing to west 15 late in the day.
Thursday Wind southwest 20 knots increasing to southwest 30.
Friday Wind west 25 knots veering to northwest 30.

Ice Forecast

Issued 11:00 AM EST 11 December 2023 Today Tonight and Tuesday 2 tenths grey-white ice except 9 tenths grey ice including 2 tenths grey-white ice in the western section. Consolidated grey-white ice along parts of the coasts. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EST 11 December 2023 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from 6031N 6404W to 6048N 6440W to 5926N 6634W to
5930N 6752W to 6026N 6737W to 6136N 6620W to 6101N 6438W to 6131N
6330W then northeastward. Sea ice south then north of the ice edge.

Ice Coverage

2 tenths grey-white ice except 9 tenths grey ice including 2 tenths
grey-white ice in the western section. Consolidated grey-white ice
along parts of the coasts.

Warnings

Warnings (In effect)

Freezing spray warning in effect

James Bay - southern half

Issued 05:00 AM CST 11 December 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.

Synopsis

Technical Marine Synopsis

Issued 4:45 PM EST 11 December 2023 Tonight and Tuesday At 0000 UTC Tuesday low 974 mb located at 70N 59W.
By 0000 UTC Wednesday trough from 976 mb low located from 70N 58W
to 76N 64W.

At 0000 UTC Tuesday low 996 mb located at 57N 90W.
By 0000 UTC Wednesday weakening low 1004 mb located over Belcher
Islands.

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