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Colour-coded Weather Alerts

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Coats - northern half

Forecast

Marine Forecast

Issued 05:00 AM CST 08 December 2025

Today Tonight and Tuesday.

Wind north 20 knots increasing to north 20 to 25 Tuesday evening.

Flurries beginning this afternoon changing to snow this evening then to flurries near midnight and ending Tuesday morning. Visibility as low as 1 mile in precipitation.

Freezing spray warning in effect.

Outside the ice edge freezing spray ending overnight. Freezing spray beginning Tuesday afternoon.

Temperatures minus 6 falling to minus 12 this evening then rising to minus 3 Tuesday morning. Temperatures falling to minus 8 Tuesday evening.

Waves

Issued 05:00 AM CST 08 December 2025
Today Tonight and Tuesday. Outside the ice edge seas 1 metre.

Extended Forecast

Issued 05:00 AM CST 08 December 2025
Wednesday Wind north 20 to 25 knots diminishing to northeast 10 to 15 late in the day.
Thursday Wind northeast 10 to 15 knots.
Friday Wind northeast 10 to 15 knots backing to northwest 15.

Ice Forecast

Issued 11:00 AM EST 7 December 2025 Today Tonight and Monday 5 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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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
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 11:00 AM EST 7 December 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Quebec near 6025N 6454W to 5915N 6734W to
Baffin Island near 6152N 6608W. Sea ice east then west of the ice
edge.

Ice Coverage

5 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 05:00 AM CST 08 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 8 December 2025 Today Tonight and Tuesday At 1200 UTC Monday merging low 999 mb located at 55N 76W.
At 0000 UTC Tuesday low 982 mb located at 59N 72W.
By 0000 UTC Wednesday low 989 mb located at 56N 79W.

At 0000 UTC Wednesday low 985 mb located at 60N 62W.

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