Marine & Leisure: Tidal Prediction

• Improve Port Throughput
• Minimise Vessel Delays
• Promote Port Facilities with Tide Tables
• As Used by Hydrographic Offices and Port Authorities World-wide
• Tidal Levels, MSL, LAT, HAT, MLW etc
• In-house services

Flooding, Fishing & Legal

• Calculate Flood Return Height Probability. New!!
• Legal Services - Expert Witness
• Fishery Boundaries
• Marine Protected Areas (MPAs)

All predictions and harmonic constants are free of external copyright.

GeoTide is used to determine the tidal harmonic constants for tidal stations on the River Thames and in the Thames Estuary by The Port of London Authority; these constants are then used by the UKHO as the official tidal constants in Admiralty Publications e.g. NP201.