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James Bay - northern half


Marine Forecast

Issued 05:00 PM CDT 15 July 2019

Tonight and Tuesday.

Gale warning in effect.

Wind northeast 15 knots veering to east 20 late this evening then becoming west 20 early Tuesday morning. Wind increasing to northwest 30 late Tuesday afternoon and to northwest 35 Tuesday evening.

Rain late this evening and overnight. Showers Tuesday evening. Visibility 1 mile or less in rain.


Issued 05:00 PM CDT 15 July 2019
Tonight and Tuesday. Outside the ice edge seas 1 metre building to 2 Tuesday evening.

Extended Forecast

Issued 05:00 PM CDT 15 July 2019
Wednesday Wind northwest 30 knots diminishing to northwest 20 in the morning then backing to southwest 15 in the afternoon.
Thursday Wind south 20 knots backing to east 25 late in the day.
Friday Wind southwest 15 knots increasing to southwest 20.

Ice Forecast

Issued 11:00 AM EDT 15 July 2019 Today Tonight and Tuesday 5 tenths first-year ice. 

[ Canadian Ice Service ]

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Weather Conditions

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 15 July 2019 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Quebec near 6135N 7945W to 5915N 7955W
to Nunavut near 5900N 7815W. Sea ice south then west of the ice

Second ice edge estimated from Nunavut near 6225N 7935W to 6335N
7850W to 6355N 7500W to 6050N 6810W to 6030N 6600W to 6115N 6315W
then northeastward. Sea ice north of the ice edge.

Ice Coverage

5 tenths first-year ice.


Warnings (In effect)

Gale warning in effect

James Bay - northern half

Issued 5:00 PM CDT 15 July 2019

'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.


Technical Marine Synopsis

Issued 4:45 PM EDT 15 July 2019 Tonight and Tuesday At 0000 UTC Tuesday departing high 1012 mb located at 59N 82W.

At 0000 UTC Tuesday low 1005 mb located at 61N 60W.
By 0000 UTC Wednesday low 999 mb located at 66N 59W.

At 0000 UTC Tuesday low 999 mb located at 55N 93W.
By 0000 UTC Wednesday low 990 mb located at 57N 73W.

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