James Bay - northern half
Forecast
Marine Forecast
Issued 05:00 PM CDT 15 September 2026
Tonight and Wednesday.
Gale warning in effect.
Wind southwest 30 knots increasing to west 35 this evening then diminishing to northwest 30 early Wednesday morning. Wind diminishing to northwest 20 near noon Wednesday and to light Wednesday evening.
Showers ending near noon Wednesday.
Waves
Issued 05:00 PM CDT 15 September 2026
Tonight and Wednesday.
Seas 3 metres building to 3 to 5 this evening then subsiding to 2
near noon Wednesday. Seas subsiding to 1 Wednesday evening.
Extended Forecast
Issued 05:00 PM CDT 15 September 2026
Thursday
Wind light increasing to south 15 knots in
the morning and to northwest 25 late in the day.
Friday
Wind northwest 25 knots diminishing to west
15.
Saturday
Wind southwest 15 knots increasing to
southwest 20.
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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 - northern half
Issued 5:00 PM CDT 15 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 15 September 2026 Tonight and Wednesday At 0000 UTC Wednesday quasi-stationary low 991 mb located at69N 65W.
At 0000 UTC Wednesday low 995 mb located at 56N 81W.
By 0000 UTC Thursday low 996 mb located at 59N 61W.
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