James Bay - southern half


Marine Forecast

Issued 05:00 AM CDT 23 July 2018

Today Tonight and Tuesday.

Wind northeast 15 knots diminishing to light early this morning then increasing to north 20 early this evening. Wind veering to east 15 near midnight then diminishing to light after midnight. Wind increasing to north 15 late overnight and to north 20 Tuesday morning. Wind diminishing to light near noon Tuesday.

Rain beginning after midnight changing to a few showers Tuesday morning and ending Tuesday afternoon. Visibility 1 mile or less in rain.


Issued 05:00 AM CDT 23 July 2018
Today Tonight and Tuesday. Seas 1 metre.

Extended Forecast

Issued 05:00 AM CDT 23 July 2018
Wednesday Wind light.
Thursday Wind light becoming north 15 knots late in the day.
Friday Wind north 20 knots diminishing to light late in the day.

Ice Forecast

Issued 11:00 AM EDT 22 July 2018 Today Tonight and Monday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 22 July 2018 Today Tonight and Monday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Open water.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 4:45 AM EDT 23 July 2018 Today Tonight and Tuesday At 1200 UTC Monday weakening high 1025 mb located over central
Hudson Bay.
By 0000 UTC Wednesday ridge located over Hudson Strait.

At 1200 UTC Monday departing low 1007 mb located over Baffin Bay.

At 1200 UTC Monday low 1004 mb located over northern Manitoba.
By 0000 UTC Wednesday low 1009 mb located over James Bay.

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