James Bay - northern half

Forecast

Marine Forecast

Issued 05:00 AM CST 18 November 2017

Today Tonight and Sunday.

Wind south 15 knots diminishing to light early this morning then increasing to northwest 15 this afternoon. Wind increasing to northwest 20 near midnight and to northwest 25 Sunday evening.

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

Freezing spray warning in effect.

Freezing spray beginning after midnight.

Temperatures minus 1 falling to minus 9 near noon Sunday.

Waves

Issued 05:00 AM CST 18 November 2017
Today Tonight and Sunday. Seas 2 metres subsiding to 1 this morning then building to 2 Sunday morning.

Extended Forecast

Issued 05:00 AM CST 18 November 2017
Monday Wind northwest 25 knots.
Tuesday Wind west 15 knots diminishing to light.
Wednesday Wind northwest 30 knots.

Ice Forecast

Issued 11:00 AM EST 17 November 2017 Today Tonight and Saturday Special ice warning in effect. Open water except 9 tenths of new ice including 3 tenths of grey ice along the coast. Unusual presence of sea ice along the eastern coast. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EST 17 November 2017 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Labrador near 6010N 6420W to 6110N 6310W and
then northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Special ice warning in effect.

Open water except 9 tenths of new ice including 3 tenths of grey ice
along the coast. Unusual presence of sea ice along the eastern
coast.

Warnings

Warnings (In effect)

Freezing spray warning in effect

James Bay - northern half

Issued 05:00 AM CST 18 November 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.

Special ice warning in effect

James Bay

Issued 11:00 AM EST 17 November 2017

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 4:45 AM EST 18 November 2017 Today Tonight and Sunday At 1200 UTC Saturday quasi-stationary trough located on a line
north-south over the coast of Greenland.

At 1200 UTC Saturday quasi-stationary ridge located over eastern
Baffin Island.

At 1200 UTC Saturday trough from 992 mb low located on a line
northwest-southeast over western Hudson Bay.
By 0000 UTC Monday trough from 1002 mb low located on a line
east-west over central Hudson Bay.

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