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James Bay - northern half

Warnings

Forecast

Marine Forecast

Issued 05:00 PM CST 09 December 2025

Tonight and Wednesday.

Wind west 30 knots veering to north 25 late this evening then diminishing to north 15 late Wednesday morning.

Flurries. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Outside the ice edge freezing spray ending Wednesday afternoon.

Low tonight minus 7. High Wednesday minus 1.

Waves

Issued 05:00 PM CST 09 December 2025
Tonight and Wednesday. Outside the ice edge seas 1 to 2 metres building to 3 early this evening then subsiding to 2 early Wednesday morning. Seas subsiding to 1 Wednesday afternoon.

Extended Forecast

Issued 05:00 PM CST 09 December 2025
Thursday Wind north 15 knots increasing to north 15 to 20 in the afternoon.
Friday Wind north 15 to 20 knots backing to west 10 to 15.
Saturday Wind northwest 15 to 20 knots backing to west 20 to 25.

Ice Forecast

Issued 11:00 AM EST 9 December 2025 Today Tonight and Wednesday 2 tenths new ice except 7 tenths new ice including 3 tenths grey ice in the western section. Consolidated grey ice along parts of the coasts. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 11:00 AM EST 9 December 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Killiniq Island near 6025N 6454W to 5915N
6734W to Baffin Island near 6152N 6608W. Sea ice southeast then west
of the ice edge.

Ice Coverage

2 tenths new ice except 7 tenths new ice including 3 tenths grey ice
in the western section. Consolidated grey ice along parts of the
coasts.

Warnings

Warnings (In effect)

Freezing spray warning in effect

James Bay - northern half

Issued 5:00 PM CST 09 December 2025

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 4:45 PM EST 9 December 2025 Tonight and Wednesday At 0000 UTC Wednesday dissipating low 990 mb located at 56N 81W.

At 0000 UTC Wednesday quasi-stationary trough from low located
from 58N 52W to 59N 70W.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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