James Bay - southern half


Marine Forecast

Issued 05:00 AM CDT 24 July 2016

Today Tonight and Monday

Wind light increasing to east 15 knots late this morning then veering to southeast 20 late this afternoon. Wind increasing to southeast 25 late this evening then diminishing to light Monday afternoon. Wind increasing to north 25 Monday evening.

A few showers beginning late this evening and ending Monday afternoon. Risk of thunderstorms Monday morning and afternoon. Fog patches dissipating late this evening. Fog forming after midnight and dissipating Monday evening. Visibility 1 mile or less in fog patches and in showers and in fog.


Issued 05:00 AM CDT 24 July 2016
Today Tonight and Monday Seas 1 metre or less building to 1 to 2 late this evening then subsiding to 1 near noon Monday.

Extended Forecast

Issued 05:00 AM CDT 24 July 2016
Tuesday Wind north 25 knots diminishing to northwest 15 in the morning and to light in the afternoon.
Wednesday Wind northwest 20 knots diminishing to light.
Thursday Wind northwest 20 knots.

Ice Forecast

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

[ 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

Open water.


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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