James Bay
Forecast
Marine Forecast
Issued 05:00 AM CDT 11 August 2026
Today Tonight and Wednesday.
Wind northwest 15 knots diminishing to light this afternoon then becoming north 10 to 15 Wednesday evening.
Periods of drizzle ending early this morning. Scattered showers this afternoon. Showers Wednesday. Risk of thunderstorms Wednesday afternoon. Fog banks becoming fog patches near midnight and dissipating Wednesday evening.
Waves
Issued 05:00 AM CDT 11 August 2026
Today Tonight and Wednesday.
Seas 1 metre or less.
Extended Forecast
Issued 05:00 PM CDT 10 August 2026
Wednesday
Wind light becoming north 10 to 15 knots
late in the day.
Thursday
Wind north 10 to 15 knots becoming
light.
Friday
Wind northwest 10 to 15 knots becoming light
late in the day.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 11:00 AM EDT 11 August 2026 Today Tonight and WednesdayIce Edge
First ice edge estimated from Nunavut near 6556N 8614W toSouthampton Island near 6546N 8554W. Sea ice northeast of the ice
edge.
Second ice edge estimated from Southampton Island near 6424N 8144W
to Baffin Island near 6456N 7809W. Sea ice north of the ice edge.
Ice Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 4:45 PM EDT 11 August 2026 Tonight and Wednesday At 0000 UTC Wednesday quasi-stationary ridge located over easternBaffin Island.
At 0000 UTC Wednesday deepening low 1005 mb located at 74N 60W.
By 0000 UTC Thursday trough from 999 mb low located from 72N 63W
to 61N 58W.
At 0000 UTC Thursday approaching low 996 mb located over Labrador
Sea.
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