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Colour-coded Weather Alerts

Colour-coded Weather Alerts

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James Bay - northern half

Warnings

Forecast

Marine Forecast

Issued 05:00 PM CST 05 December 2025

Tonight and Saturday.

Wind light increasing to southwest 20 knots this evening and to west 30 Saturday evening.

Flurries.

Freezing spray warning in effect.

Moderate freezing spray beginning this evening becoming severe Saturday morning.

Temperatures minus 8 falling to minus 16 near noon Saturday.

Waves

Issued 05:00 AM CST 05 December 2025
Today Tonight and Saturday. Seas 2 metres building to 3 Saturday evening.

Extended Forecast

Issued 05:00 PM CST 05 December 2025
Sunday Wind west 30 knots increasing to west 35 late in the day.
Monday Wind west 35 knots diminishing to west 15 to 20 late in the day.
Tuesday Wind west 15 to 20 knots increasing to west 20 to 25 late in the day.

Ice Forecast

Issued 11:00 AM EST 5 December 2025 Today Tonight and Saturday 1 tenth new ice except 9 tenths new ice including 3 tenths grey ice along the coast in the western section. 

[ Canadian Ice Service ]

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Weather Conditions

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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 5 December 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Quebec near 6025N 6454W to 5917N 6657W to
5931N 6815W to 6115N 6915W to 6215N 6924W to Baffin Island near
6156N 6636W. Sea ice south then north of the ice edge.

Ice Coverage

1 tenth new ice except 9 tenths new ice including 3 tenths grey ice
along the coast in the western section.

Warnings

Warnings (In effect)

Freezing spray warning in effect

James Bay - northern half

Issued 5:00 PM CST 05 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 6 December 2025 Today Tonight and Sunday At 1200 UTC Saturday quasi-stationary trough from 989 mb low
located from Hudson Bay to Boothia Peninsula.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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