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James Bay - southern half

Warnings

Forecast

Marine Forecast

Issued 05:00 AM CST 13 December 2025

Today Tonight and Sunday.

Wind northwest 15 to 20 knots backing to west 15 Sunday afternoon.

Flurries. Visibility as low as 1 mile in flurries.

Temperatures near minus 4.

Waves

Issued 05:00 AM CST 13 December 2025
Today Tonight and Sunday. Outside the ice edge seas 1 metre.

Extended Forecast

Issued 05:00 AM CST 13 December 2025
Monday Wind southwest 20 to 25 knots diminishing to southwest 15 to 20 in the morning then veering to west 20 to 25 in the afternoon.
Tuesday Wind southwest 10 to 15 knots increasing to south 30 to 40.
Wednesday Wind northwest 30 knots.

Ice Forecast

Issued 11:00 AM EST 12 December 2025 Today Tonight and Saturday 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-white 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 12 December 2025 Today Tonight and Saturday

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-white ice along parts of the coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:45 AM EST 13 December 2025 Today Tonight and Sunday At 1200 UTC Saturday quasi-stationary trough from low located over
eastern Davis Strait.

At 1200 UTC Saturday ridge located over Baker Lake.
By 0000 UTC Monday ridge located over Baffin Island.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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