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St. Roch

Warnings

Forecast

Marine Forecast

Issued 07:00 PM MDT 12 August 2026

Tonight and Thursday.

Wind northwest 20 to 25 knots diminishing to northwest 15 to 20 Thursday morning.

Waves

Issued 07:00 PM MDT 12 August 2026
Tonight and Thursday. Seas 1 metre.

Extended Forecast

Issued 07:00 PM MDT 12 August 2026
Friday Wind northwest 15 knots diminishing to light in the morning.
Saturday Wind light becoming east 15 knots late in the day.
Sunday Wind east 15 knots backing to north 15 late in the day.

Ice Forecast

Issued 10:00 AM EDT 12 August 2026 Today Tonight and Thursday Bergy water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Arctic - Eastern Arctic marine weather areas Shepherd Bay Airport Arctic Bay Salluit Airport Saglek Nain Airport Cape Kiglapait Cape Kakkiviak Tasiujaq Airport Fort Ross Baker Lake Airport Quaqtaq Airport Whale Cove Airport Puvirnituq Airport Kangiqsualujjuaq Airport Kangirsuk Airport Gjoa Haven Airport Ivujivik Airport Kangiqsujuaq Airport Rankin Inlet Airport Akulivik Airport Aupaluk Airport Chesterfield Inlet Airport Kugaaruk Airport Coral Harbour Airport Naujaat Pond Inlet Airport Cape Dyer Pangnirtung Airport Longstaff Bluff Kimmirut Airport Kinngait Airport Rowley Island Airport Taloyoak Airport Wager Bay Cape Liverpool Iqaluit Airport Qikiqtarjuaq Airport Brevoort Island Igloolik Airport Resolute Airport Cape Hooper Clyde River Airport Sanirajak Airport Cape Mercy Grise Fiord Airport
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buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 August 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Brodeur Peninsula near 7138N 9000W to
7116N 9138W to Nunavut near 7037N 9210W. Sea ice southeast of the
ice edge.

Second ice edge estimated from Nunavut near 6858N 11603W to Victoria
Island near 6918N 11556W. Sea ice west of the ice edge.

Third ice edge estimated from Victoria Island near 6848N 10254W to
6828N 10142W to King William Island near 6851N 9914W. Sea ice north
of the ice edge.

Fourth ice edge estimated from King William Island near 6954N 9759W
to Prince of Wales Island near 7118N 9836W. Sea ice west of the ice
edge.

Fifth ice edge estimated from Prince of Wales Island near 7244N
9630W to Somerset Island near 7244N 9537W. Sea ice north of the ice
edge.

Sixth ice edge estimated from Somerset Island near 7320N 9110W to
7329N 8920W to 7352N 8811W then northward. Sea ice northwest of the
ice edge.

Ice Coverage

Bergy water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM MDT 12 August 2026 Tonight and Thursday At 0000 UTC Thursday high 1030 mb located at 74N 130W.
By 0000 UTC Friday high 1025 mb located at 73N 138W.

At 0000 UTC Thursday low 999 mb located at 72N 63W.
By 0000 UTC Friday weakening low 1003 mb located at 68N 62W.

Arctic - Eastern Arctic Area

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Marine Weather for Canada

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