James Bay - northern half


Marine Forecast

Issued 05:00 PM CDT 29 August 2015

Tonight and Sunday

Gale warning in effect.

Wind south 20 to 25 knots increasing to north 30 late Sunday afternoon and to north 35 Sunday evening.

Periods of rain beginning this evening and ending Sunday evening with a risk of thunderstorms late this evening and Sunday morning and afternoon. Fog patches forming this evening and dissipating late Sunday morning. Visibility 1 mile or less in fog patches and in rain.


Issued 05:00 PM CDT 29 August 2015
Tonight and Sunday Seas 1 metre building to 3 Sunday evening.

Extended Forecast

Issued 05:00 PM CDT 29 August 2015
Monday Wind north 35 knots diminishing to light in the morning then increasing to southeast 20 late in the day.
Tuesday Wind south 30 knots diminishing to west 20.
Wednesday Wind light.

Ice Forecast

Issued 11:00 AM EDT 29 August 2015 Today Tonight and Sunday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 29 August 2015 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Ontario near 5515N 8500W to 5640N
8420W to 5630N 8200W to Ontario near 5510N 8220W. Sea ice south of
the ice edge.

Second ice edge estimated from Nunavut near 6530N 8700W to
Southampton Island near 6530N 8605W. Sea ice north of the ice edge.

Third ice edge estimated from Southampton Island near 6320N 8430W to
6250N 8100W to 6310N 7900W to Foxe Peninsula near 6420N 7740W. Sea
ice north of the ice edge.

Ice Coverage

Ice free.


Warnings (In effect)

Gale warning in effect

James Bay - northern half

Issued 5:00 PM CDT 29 August 2015

'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 29 August 2015 Tonight and Sunday At 0000 UTC Sunday deepening low 1003 mb located at 55N 86W.
By 0000 UTC Monday low 993 mb located at 53N 77W.

At 0000 UTC Sunday ridge from high located from 67N 87W to 56N 76W.
By 0000 UTC Monday ridge from high located from 65N 82W to 57N 60W.

At 0000 UTC Sunday low 1000 mb located at 61N 53W.
By 0000 UTC Monday low 1002 mb located at 63N 59W.

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