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Coats - northern half

Warnings

Forecast

Marine Forecast

Issued 05:00 AM CST 05 December 2025

Today 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 minus 11 rising to minus 6 near noon Saturday.

Waves

Issued 05:00 PM CST 04 December 2025
Tonight and Friday. Outside the ice edge seas 1 metre.

Extended Forecast

Issued 05:00 AM CST 05 December 2025
Sunday Wind east 25 knots diminishing to southeast 15 in the morning then increasing to northeast 30 in the afternoon.
Monday Wind northeast 30 knots diminishing to northwest 20 late in the day.
Tuesday Wind northeast 20 knots increasing to northeast 25.

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 Arctic - Eastern Arctic marine weather areas Puvirnituq Airport Baker Lake Airport Ivujivik Airport Coral Harbour Airport Saglek Nain Airport Cape Kiglapait Cape Kakkiviak Tasiujaq Airport Salluit Airport Quaqtaq Airport Chesterfield Inlet Airport Aupaluk Airport Kangiqsujuaq Airport Kangiqsualujjuaq Airport Kangirsuk Airport Whale Cove Airport Pangnirtung Airport Longstaff Bluff Cape Liverpool Kimmirut Airport Shepherd Bay Airport Iqaluit Airport Qikiqtarjuaq Airport Igloolik Airport Pond Inlet Airport Brevoort Island Sanirajak (Hall Beach Airport) Clyde River Airport Grise Fiord Airport Cape Mercy Arctic Bay Fort Ross Akulivik Airport Wager Bay Taloyoak Airport Kinngait (Cape Dorset Airport) Rowley Island Airport Gjoa Haven Airport Resolute Airport Naujaat Cape Dyer Cape Hooper Kugaaruk Airport Rankin Inlet Airport
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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 05:00 AM 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 PM EST 5 December 2025 Tonight and Saturday At 0000 UTC Saturday departing low 992 mb located at 64N 80W.

At 0000 UTC Saturday low 993 mb located at 58N 89W.
By 0000 UTC Sunday low 989 mb located at 56N 79W.

At 0000 UTC Saturday quasi-stationary trough located from 60N 60W
to 67N 67W.

Arctic - Eastern Arctic Area

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Marine Weather for Canada

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