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Churchill - western half

Warnings

Forecast

Marine Forecast

Issued 05:00 PM CST 06 December 2025

Tonight and Sunday.

Wind northwest 30 knots diminishing to northwest 20 Sunday afternoon.

Flurries.

Freezing spray warning in effect.

Outside the ice edge severe freezing spray becoming moderate Sunday afternoon.

Temperatures minus 14 falling to minus 21 Sunday afternoon then rising to minus 16 Sunday evening.

Waves

Issued 05:00 AM CST 06 December 2025
Today Tonight and Sunday. Outside the ice edge seas 2 metres building to 3 this afternoon then subsiding to 1 Sunday morning.

Extended Forecast

Issued 05:00 PM CST 06 December 2025
Monday Wind northwest 20 knots.
Tuesday Wind north 20 knots increasing to north 25 to 30.
Wednesday Wind north 25 to 30 knots.

Ice Forecast

Issued 11:00 AM EST 6 December 2025 Today Tonight and Sunday Ice pressure warning in effect. Open water except 9 plus tenths grey ice including 3 tenths grey-white ice in the southern and western sections. Consolidated grey-white ice along parts of the coast. Strong ice pressure along the coast near Churchill developing this afternoon and easing Sunday evening. 

[ 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 6 December 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Quebec near 6025N 6454W to 5936N 6647W to
6037N 6737W to 6115N 6915W to 6200N 6903W to 6142N 6642W to Baffin
Island near 6152N 6608W. Sea ice south then north of the ice edge.

Ice Coverage

Ice pressure warning in effect.

Open water except 9 plus tenths grey ice including 3 tenths
grey-white ice in the southern and western sections. Consolidated
grey-white ice along parts of the coast.
Strong ice pressure along the coast near Churchill developing this
afternoon and easing Sunday evening.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Churchill - western half

Issued 5:00 PM CST 06 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.

Ice pressure warning in effect

Churchill - western half

Issued 11:00 AM EST 06 December 2025

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 4:45 PM EST 6 December 2025 Tonight and Sunday At 0000 UTC Sunday quasi-stationary trough from 989 mb low located
from Hudson Bay to Boothia Peninsula.

At 0000 UTC Sunday quasi-stationary ridge located over eastern
Baffin Island.

At 0000 UTC Sunday trough located from Labrador Sea to Cumberland
Peninsula.
By 0000 UTC Monday trough located from Labrador Sea to Iqaluit
then to Hudson Strait.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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