Visibility history for Northwest Island

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Visibility history

Typically, visibility at Northwest Island is about 10 ft (range 10–25 ft), based on 9 pnwdiving reports from 2021 through 2026.

Seasonal visibility chart for Northwest Island. Typical visibility by month includes Apr 11 ft, May 10 ft, Aug 13 ft, Oct 25 ft.

Typical visibility by month at Northwest Island
Month	Typical visibility (ft)
Apr	11
May	10
Aug	13
Oct	25

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6/19/2025