James Bay - southern half
Forecast
Marine Forecast
Issued 05:00 PM CDT 10 September 2026
Tonight and Friday.
Gale warning in effect.
Wind northwest 35 knots diminishing to northwest 25 early this evening and to south 20 near noon Friday. Wind increasing to south 25 Friday evening.
Showers ending this evening.
Waves
Issued 05:00 PM CDT 10 September 2026
Tonight and Friday.
Seas 3 to 4 metres subsiding to 2 early this evening and to 1
Friday evening.
Extended Forecast
Issued 05:00 PM CDT 10 September 2026
Saturday
Wind south 25 knots veering to southwest 30
in the morning then diminishing to southwest 15 late in the day.
Sunday
Wind west 20 knots increasing to west
25.
Monday
Wind northwest 15 knots increasing to south 20
late in the day.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 11:00 AM EDT 5 September 2026 Forecasts are unavailable until further request.Warnings
Warnings (In effect)
Gale warning in effect
James Bay - southern half
Issued 5:00 PM CDT 10 September 2026'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.
Synopsis
Technical Marine Synopsis
Issued 4:45 PM EDT 10 September 2026 Tonight and Friday At 0000 UTC Friday low 986 mb located at 56N 65W.By 0000 UTC Saturday low 987 mb located at 54N 50W.
At 0000 UTC Friday high 1013 mb located at 65N 84W.
By 0000 UTC Saturday high 1015 mb located at 61N 70W.
At 0000 UTC Friday low 990 mb located over northern Saskatchewan.
By 0000 UTC Saturday low 987 mb located at 59N 90W.
At 0000 UTC Friday low 1002 mb located at 72N 98W.
By 0000 UTC Saturday low 1001 mb located over Arctic Bay.
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