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James Bay

Warnings

Forecast

Marine Forecast

Issued 05:00 PM CST 12 November 2025

Tonight and Thursday.

Wind light increasing to west 10 to 15 knots near midnight and to west 15 to 20 late overnight. Wind diminishing to west 10 to 15 Thursday afternoon.

Periods of snow. Visibility 1 mile or less in snow.

Temperatures near plus 1.

Waves

Issued 05:00 PM CST 12 November 2025
Tonight and Thursday. Seas 1 metre or less.

Extended Forecast

Issued 05:00 PM CST 12 November 2025
Friday Wind west 10 to 15 knots diminishing to light in the morning then increasing to south 25 late in the day.
Saturday Wind south 25 knots backing to southeast 30.
Sunday Wind northwest 35 knots diminishing to northwest 20 to 25 late in the day.

Ice Forecast

Issued 11:00 AM EST 12 November 2025 Today Tonight and Thursday Open water except 4 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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Ice Conditions

Ice Forecasts

Issued 11:00 AM EST 12 November 2025 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Quebec near 5843N 6633W to 5910N 6858W
to Quebec near 6047N 6926W. Sea ice southwest of the ice edge.

Second ice edge estimated from Quebec near 5438N 7946W to 5752N
9140W to 5959N 9348W to 6326N 8910W to 6058N 8026W to 6208N 7846W to
Southampton Island near 6326N 8100W. Sea ice west then northwest of
the ice edge.

Third ice edge estimated from Southampton Island near 6347N 8008W to
6534N 8251W to 6720N 8018W 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 4 tenths new ice along parts of the coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:45 PM EST 12 November 2025 Tonight and Thursday At 0000 UTC Thursday weakening low 992 mb located at 61N 87W.

At 0000 UTC Thursday low 962 mb located at 56N 60W.
By 0000 UTC Friday weakening low 979 mb located at 69N 81W.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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