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James Bay

Warnings

Forecast

Marine Forecast

Issued 05:00 AM CST 14 December 2025

Today Tonight and Monday.

Wind northwest 15 to 20 knots backing to west 15 this afternoon then to southwest 20 late overnight. Wind diminishing to southwest 15 Monday morning then veering to northwest 20 Monday evening.

Flurries ending near noon Monday. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Outside the ice edge freezing spray late overnight and Monday morning. Freezing spray beginning Monday afternoon.

Temperatures minus 5 falling to minus 12 Monday evening.

Waves

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

Extended Forecast

Issued 05:00 AM CST 14 December 2025
Tuesday Wind west 15 knots increasing to south 25 in the morning then diminishing to southwest 15 late in the day.
Wednesday Wind northwest 30 knots increasing to northwest 35.
Thursday Wind light increasing to northeast 25 knots late in the day.

Ice Forecast

Issued 11:00 AM EST 14 December 2025 Today Tonight and Monday 6 tenths grey-white ice. 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 14 December 2025 Today Tonight and Monday

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

6 tenths grey-white ice. Consolidated grey-white ice along parts of
the coasts.

Warnings

Warnings (In effect)

Freezing spray warning in effect

James Bay

Issued 05:00 AM CST 14 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 AM EST 14 December 2025 Today Tonight and Monday At 1200 UTC Sunday quasi-stationary trough from low located over
eastern Davis Strait.

At 1200 UTC Sunday ridge located from 56N 90W to 63N 71W then to
72N 77W.
By 0000 UTC Tuesday ridge located from Labrador to Baffin Bay.

At 1200 UTC Sunday low 997 mb located at 72N 94W.
By 0000 UTC Tuesday trough from 992 mb low located from Foxe Basin
to Ungava Bay.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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