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Colour-coded Weather Alerts

Colour-coded Weather Alerts

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Coats - northern half

Warnings

Forecast

Marine Forecast

Issued 05:00 PM CST 05 December 2025

Tonight and Saturday.

Wind north 15 knots diminishing to light early this evening then becoming east 15 late overnight. Wind east 15 Saturday.

Flurries.

Freezing spray warning in effect.

Outside the ice edge freezing spray ending this evening. Freezing spray overnight.

Temperatures near minus 7.

Waves

Issued 05:00 AM CST 05 December 2025
Today Tonight and Saturday. Outside the ice edge seas 1 metre.

Extended Forecast

Issued 05:00 PM CST 05 December 2025
Sunday Wind east 25 knots backing to northeast 30 in the afternoon then diminishing to northeast 15 late in the day.
Monday Wind north 20 knots.
Tuesday Wind north 20 knots.

Ice Forecast

Issued 11:00 AM EST 5 December 2025 Today Tonight and Saturday 3 tenths grey ice except 9 tenths grey ice including 2 tenths grey-white ice near parts of the Southampton Island coast. 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 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

3 tenths grey ice except 9 tenths grey ice including 2 tenths
grey-white ice near parts of the Southampton Island coast.
Consolidated grey-white ice along parts of the coasts.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Coats - 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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