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St. Roch

Warnings

Forecast

Marine Forecast

Issued 07:00 AM MDT 12 July 2025

Today Tonight and Sunday.

Wind west 20 knots diminishing to west 10 to 15 early Sunday morning.

Showers ending this evening. Showers Sunday evening.

Waves

Issued 07:00 AM MDT 12 July 2025
Today Tonight and Sunday. Outside the ice edge seas 1 metre.

Extended Forecast

Issued 07:00 AM MDT 12 July 2025
Monday Wind west 10 to 15 knots becoming light in the morning then becoming northwest 10 to 15 in the afternoon.
Tuesday Wind northwest 10 to 15 knots increasing to northwest 15 to 20.
Wednesday Wind north 15 knots increasing to north 20.

Ice Forecast

Issued 10:00 AM EDT 12 July 2025 Today Tonight and Sunday Ice pressure warning in effect. 2 tenths first-year ice except 7 tenths first-year ice in the eastern and northern sections. Strong ice pressure in the pack ice in the eastern section developing this afternoon and easing overnight. 

[ Canadian Ice Service ]

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Map of Arctic - Western Arctic marine weather areas Isachsen Tulita Airport Cape Peel West Fort Good Hope Airport Cape Parry Airport Eureka Airport Fort Ross Aklavik Airport Gateshead Island Shingle Point Airport Grise Fiord Airport Sanirajak (Hall Beach Airport) Komakuk Beach Igloolik Airport Herschel Island Liverpool Bay Pond Inlet Airport Rea Point Naujaat Mould Bay Resolute Airport Thomsen River Sachs Harbour Airport Stefansson Island Ulukhaktok Airport Cape Stallworthy Taloyoak Airport Cape Providence Nangmagvik Lake Arctic Bay Pelly Island Paulatuk Airport Shepherd Bay Airport Bathurst Inlet Cape Liverpool Croker River Tuktoyaktuk Airport Norman Wells Airport CFS Alert Kugaaruk Airport Keats Point Inuvik Airport Storm Hills Cambridge Bay Airport Hat Island Kugluktuk Airport Little Chicago Gjoa Haven Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 12 July 2025 Today Tonight and Sunday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Ice pressure warning in effect.

2 tenths first-year ice except 7 tenths first-year ice in the
eastern and northern sections.
Strong ice pressure in the pack ice in the eastern section
developing this afternoon and easing overnight.

Warnings

Warnings (In effect)

Ice pressure warning in effect

St. Roch

Issued 10:00 AM EDT 12 July 2025

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 12 July 2025 Today Tonight and Sunday At 1200 UTC Saturday weakening low 978 mb located at 79N 84W.
By 0000 UTC Monday trough from 983 mb low located from 85N 129W
to 72N 81W.

At 1200 UTC Saturday dissipating low 977 mb located at 73N 98W.

By 0000 UTC Monday approaching high 1018 mb located at 70N 127W.

Arctic - Western Arctic Area

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