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St. Roch

Warnings

Forecast

Marine Forecast

Issued 07:00 AM MDT 20 October 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind east 15 knots diminishing to light near noon then increasing to south 20 Wednesday morning. Wind increasing to south 35 Wednesday evening.

Snow changing to scattered flurries near noon then to snow Wednesday evening. Visibility as low as 1 mile in snow.

Temperatures near minus 2.

Waves

Issued 07:00 AM MDT 20 October 2026
Today Tonight and Wednesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 07:00 AM MDT 20 October 2026
Thursday Wind south 30 knots increasing to south 35 in the morning then diminishing to south 30 in the afternoon.
Friday Wind west 30 knots increasing to northwest 35.
Saturday Wind northwest 30 knots diminishing to northwest 15.

Ice Forecast

Issued 10:00 AM EDT 20 October 2026 Today Tonight and Wednesday Bergy water except 9 tenths new ice along parts of the coasts and northwest of Matty Island. 

[ Canadian Ice Service ]

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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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 20 October 2026 Today Tonight and Wednesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Bergy water except 9 tenths new ice along parts of the coasts and
northwest of Matty Island.

Warnings

Warnings (In effect)

Gale warning in effect

St. Roch

Issued 07:00 AM MDT 20 October 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 20 October 2026 Today Tonight and Wednesday At 1200 UTC Tuesday dissipating low 1005 mb located at 67N 100W.

At 1200 UTC Tuesday ridge located from 74N 89W to 67N 67W.
By 0000 UTC Thursday ridge located from 73N 62W to 67N 78W.

By 0000 UTC Thursday approaching trough from 984 mb low located
from 68N 116W to 80N 133W.

Arctic - Eastern Arctic Area

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Marine Weather for Canada

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