James Bay - northern half


Marine Forecast

Issued 05:00 PM CDT 23 July 2016

Tonight and Sunday

Wind light increasing to east 15 knots early Sunday afternoon and to east 25 Sunday evening.

Rain at times heavy beginning Sunday evening. Fog forming late this evening and dissipating late overnight. Visibility 1 mile or less in fog and in rain.


Issued 05:00 PM CDT 23 July 2016
Tonight and Sunday Over open water seas 1 metre or less.

Extended Forecast

Issued 05:00 PM CDT 23 July 2016
Monday Wind northeast 35 knots diminishing to east 30 in the morning then backing to north 25 in the afternoon.
Tuesday Wind north 20 knots backing to west 15.
Wednesday Wind west 15 knots increasing to west 20.

Ice Forecast

Issued 11:00 AM EDT 23 July 2016 Today Tonight and Sunday 3 tenths of first-year ice. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 23 July 2016 Today Tonight and Sunday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

3 tenths of first-year ice.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 4:45 AM EDT 24 July 2016 Today Tonight and Monday At 1200 UTC Sunday ridge from 1016 mb high located over 56N 77W
extending northward.
By 0000 UTC Tuesday ridge located from 63N 61W to 63N 80W.

At 1200 UTC Sunday low 1000 mb located at 53N 93W.
By 0000 UTC Tuesday low 1000 mb located at 52N 79W.

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