James Bay - northern half

Forecast

Marine Forecast

Issued 05:00 PM CST 17 November 2017

Tonight and Saturday.

Wind southeast 30 knots diminishing to south 20 late overnight and to light early Saturday morning. Wind becoming northwest 15 Saturday afternoon.

A few flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Over open water freezing spray ending near midnight.

Temperatures near minus 3.

Waves

Issued 05:00 PM CST 17 November 2017
Tonight and Saturday. Over open water seas 2 metres building to 3 this evening then subsiding to 1 early Saturday morning.

Extended Forecast

Issued 05:00 AM CST 18 November 2017
Monday Wind northwest 25 knots.
Tuesday Wind west 20 knots increasing to west 35 late in the day.
Wednesday Wind west 35 knots diminishing to west 25.

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 5:00 PM CST 17 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 PM EST 17 November 2017 Tonight and Saturday At 0000 UTC Saturday quasi-stationary trough located on a line
north-south over the coast of Greenland.

At 0000 UTC Saturday ridge located on a line north-south over
central Hudson Strait.
By 0000 UTC Sunday ridge located on a line northwest-southeast
over eastern Baffin Island.

At 0000 UTC Saturday trough from 994 mb low located on a line
northwest-southeast over western Hudson Bay.
By 0000 UTC Sunday trough from 997 mb low located from 62N 97W to
59N 84W then to 51N 78W.

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