⚓ Tidal Access — Langstone Harbour

Broom Channel mooring access predictor · Documentation · fetch_tides.py

Configuration

Observations

Drop .xlsx or .csv here or click to upload observation log

Tidal Data

Load a JSON file produced by fetch_tides.py:
python fetch_tides.py --source ukho YOUR_API_KEY — 7 days from UKHO API
python fetch_tides.py --source harmonic 365 — up to a year (approximate)

Drop tidal_data.json here or click to upload

Mooring Calibration

2.5
Drying Height (m)
No observations yet
3.8
Access Threshold (m)
Drying + draught + margin
0
Observations
—
—
Confidence
Need observations

Output

Load tidal data to see access windows.

Safety Notice: This tool provides estimates only, based on UKHO predicted tidal heights and a modelled drying height. It does not account for meteorological effects (storm surge, barometric pressure, prolonged wind), silting changes, or unusual tidal conditions. Predictions are not suitable for navigation. Always verify conditions visually before departing or arriving. Heights are relative to Chart Datum. Tidal data: © UK Hydrographic Office. Contains Crown copyright material.