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St. Roch

Warnings

Forecast

Marine Forecast

Issued 07:00 AM MDT 15 July 2025

Today Tonight and Wednesday.

Wind light increasing to north 15 knots this morning and to northwest 25 early this evening. Wind northwest 25 Wednesday.

Fog patches forming Wednesday afternoon.

Waves

Issued 07:00 AM MDT 15 July 2025
Today Tonight and Wednesday. Over open water seas 1 metre building to 1 to 2 this afternoon.

Extended Forecast

Issued 07:00 AM MDT 15 July 2025
Thursday Wind north 20 knots diminishing to light in the morning.
Friday Wind light becoming northeast 15 knots late in the day.
Saturday Wind east 20 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 15 July 2025 Today Tonight and Wednesday 1 tenth first-year ice except 9 tenths first-year ice along parts of the eastern coast and in the extreme northern section. 

[ 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 15 July 2025 Today Tonight and Wednesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

1 tenth first-year ice except 9 tenths first-year ice along parts of
the eastern coast and in the extreme northern section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 15 July 2025 Today Tonight and Wednesday At 1200 UTC Tuesday splitting ridge from 1019 mb high located from
70N 140W to 70N 121W then to 77N 62W.
By 0000 UTC Thursday weakening ridge located from 81N 62W to
70N 114W.
By 0000 UTC Thursday ridge from 1021 mb high located from 70N 133W
to 71N 140W.

At 1200 UTC Tuesday low 1014 mb located at 69N 137W.
By 0000 UTC Thursday low 1012 mb located at 72N 115W.

At 1200 UTC Tuesday trough located from 67N 76W to 75N 73W.
By 0000 UTC Thursday trough located from 67N 81W to 73N 81W.

Arctic - Western Arctic Area

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Marine Weather for Canada

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