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James Bay - southern half

Warnings

Forecast

Marine Forecast

Issued 05:00 AM CST 11 December 2025

Today Tonight and Friday.

Wind light increasing to northwest 15 to 20 knots early this morning and to northwest 20 to 25 near midnight. Wind diminishing to west 10 to 15 Friday evening.

Flurries.

Temperatures minus 6 rising to zero this afternoon then falling to minus 7 Friday evening.

Waves

Issued 05:00 PM CST 10 December 2025
Tonight and Thursday. Outside the ice edge seas 1 metre or less.

Extended Forecast

Issued 05:00 AM CST 11 December 2025
Saturday Wind light increasing to north 20 knots in the afternoon then backing to northwest 25 late in the day.
Sunday Wind northwest 25 knots.
Monday Wind southwest 25 knots.

Ice Forecast

Issued 11:00 AM EST 10 December 2025 Today Tonight and Thursday 4 tenths grey ice including 1 tenth grey-white ice except 9 tenths grey ice including 4 tenths grey-white 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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 11:00 AM EST 10 December 2025 Today Tonight and Thursday

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

4 tenths grey ice including 1 tenth grey-white ice except 9 tenths
grey ice including 4 tenths grey-white ice in the western section.
Consolidated grey ice along parts of the coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:45 AM EST 11 December 2025 Today Tonight and Friday At 1200 UTC Thursday quasi-stationary trough from low located from
60N 50W to 56N 80W.

At 1200 UTC Thursday quasi-stationary ridge from 1026 mb high
located at 67N 91W.

By 0000 UTC Friday low 1013 mb located at 61N 93W.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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