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James Bay - southern half

Warnings

Forecast

Marine Forecast

Issued 05:00 AM CST 10 November 2025

Today Tonight and Tuesday.

Wind southwest 20 knots diminishing to light near noon then increasing to north 25 early this evening. Wind diminishing to west 15 Tuesday morning and to light Tuesday afternoon.

Flurries changing to snow near noon then to flurries or showers this afternoon and ending this evening. Visibility 1 mile or less in precipitation.

Temperatures near zero.

Waves

Issued 05:00 PM CST 09 November 2025
Tonight and Monday. Seas 2 to 3 metres subsiding to 1 to 2 near midnight.

Extended Forecast

Issued 05:00 AM CST 10 November 2025
Wednesday Wind light becoming northwest 15 knots in the afternoon.
Thursday Wind west 20 knots diminishing to light late in the day.
Friday Wind light.

Ice Forecast

Issued 11:00 AM EST 10 November 2025 Today Tonight and Tuesday Open water except 2 tenths new 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 10 November 2025 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Quebec near 5438N 7946W to 5752N 9140W
to 5959N 9348W to 6326N 8910W to 6244N 8500W to Southampton Island
near 6326N 8100W. Sea ice southwest then northwest of the ice edge.

Second ice edge estimated from Southampton Island near 6347N 8008W
to 6534N 8251W to 6645N 8109W to 6737N 8028W to 6617N 7635W to 6422N
7905W to Baffin Island near 6326N 7206W. Sea ice west then northeast
of the ice edge.

Ice Coverage

Open water except 2 tenths new ice along parts of the coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:45 AM EST 10 November 2025 Today Tonight and Tuesday At 1200 UTC Monday trough from 1011 mb low located from 57N 76W
to 64N 62W.
By 0000 UTC Wednesday low 981 mb located at 55N 65W.

At 1200 UTC Monday ridge located on a line north-south over central
Hudson Bay.
By 0000 UTC Wednesday ridge located on a line north-south over
eastern Hudson Bay.

By 0000 UTC Wednesday trough from 991 mb low located from 65N 100W
to 55N 90W.

Hudson - Hudson Bay Area

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