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St. Roch

Warnings

Forecast

Marine Forecast

Issued 07:00 AM MDT 21 July 2026

Today Tonight and Wednesday.

Wind light becoming northwest 15 knots late this morning then diminishing to light Wednesday evening.

Scattered showers ending this evening.

Waves

Issued 07:00 AM MDT 21 July 2026
Today Tonight and Wednesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 07:00 AM MDT 21 July 2026
Thursday Wind light.
Friday Wind light becoming north 15 knots late in the day.
Saturday Wind east 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 21 July 2026 Today Tonight and Wednesday Bergy water except 3 tenths first-year ice northeast of King William Island. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 July 2026 Today Tonight and Wednesday

Ice Coverage

Bergy water except 3 tenths first-year ice northeast of King William
Island.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 21 July 2026 Today Tonight and Wednesday At 1200 UTC Tuesday dissipating trough located from 70N 80W to
72N 67W.

By 0000 UTC Thursday approaching high 118 mb located at 71N 112W.

Arctic - Western Arctic Area

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Marine Weather for Canada

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