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James Bay

Warnings

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

Issued 11:00 AM EDT 10 August 2026 Today Tonight and Tuesday Ice free. 

[ Canadian Ice Service ]

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Map of Hudson - Hudson Bay marine weather areas Inukjuak Airport Fort Severn Airport Akulivik Airport Peawanuck Airport Churchill Airport Coral Harbour Airport Kangirsuk Airport Kinngait Airport Iqaluit Airport Wager Bay Kimmirut Airport Cape Kakkiviak Tasiujaq Airport Salluit Airport Whale Cove Airport Quaqtaq Airport Sanikiluaq Airport Kuujjuaq Airport Kangiqsualujjuaq Airport Eastmain Airport La Grande Rivière Airport Baker Lake Airport Arviat Airport Ivujivik Airport Kuujjuarapik Airport Waskaganish Airport Moosonee Airport Aupaluk Airport Puvirnituq Airport Chesterfield Inlet Airport Rankin Inlet Airport Umiujaq Airport Kangiqsujuaq Airport Wemindji Airport
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 10 August 2026 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Ontario near 5628N 8800W to 5815N
8830W to 5850N 9000W to Manitoba near 5804N 9249W. Sea ice south of
the ice edge.

Second ice edge estimated from Nunavut near 6556N 8614W to
Southampton Island near 6546N 8554W. Sea ice northeast of the ice
edge.

Third 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 AM EDT 11 August 2026 Today Tonight and Wednesday At 1200 UTC Tuesday dissipating trough from 1005 mb low located
from Belcher Islands to Rankin Inlet.

At 1200 UTC Tuesday quasi-stationary ridge located over eastern
Baffin Island.

At 1200 UTC Tuesday deepening low 1008 mb located at 76N 72W.
By 0000 UTC Thursday trough from 999 mb low located from 72N 63W
to 65N 58W.

At 0000 UTC Thursday approaching low 997 mb located over Labrador
Sea.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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