Lumen Depths

Lumen Depths

What lies beneath the waterline.

Lumen Depths compiles bathymetric records and sounding profiles from inshore approaches. Our data feeds Lumen Atlas and supports the approach notes that Lumen Survey produces for harbour pilots.

Sounding profiles

Depth transects along inshore approach channels, archived per survey season.

Seabed classification

Substrate notes and bottom-type annotations from acoustic and diver surveys.

Approach depths

Minimum charted depth data supplied to the Atlas after each survey window.

Recent records

Records open for review. Enquiries by email. Last updated 9 August 2026.