Lumen Tides

Measuring the water, marking the time.

Lumen Tides compiles tidal records and water-level observations from inshore stations. Our data feeds Lumen Atlas and informs the approach notes that Lumen Survey produces for harbour pilots.

Tidal records

Hourly water-level logs from inshore gauges, archived per season.

Rhythm tables

Predicted versus observed tide tables, annotated where anomalies appear.

Storm contributions

Surge and setup observations supplied to the Atlas after each event window.

Recent records

Spring tide series — northern stationsarchive, 2026
Surge event data — autumn coastal lowanalysis in progress
Gauge calibration log — eastern reachcomplete
Winter datum review — three-station averagepending publication

Records open for review. Enquiries by email. Last updated 10 June 2026.