Worldwide ocean and sea tide predictions
One precise API for tide heights, datums, extremes, time zones and forecast graphics anywhere your users touch the water.
One API for the Entire World
- Center for Operational Oceanographic Products and Services
- British Oceanograpic Data Centre
- Australian Bureau of Meteorology
- University of Hawaii
- Puertos del Estado
- Land Information New Zealand
- AVISO
- Canadian Hydrographic Service
- and more...
Rich Features
Production-ready tide intelligence, delivered with the context developers need for mapping, routing, planning and on-water experiences.
Tide data from more than a dozen trusted sources.
WorldTides aggregates water height series, harmonic constituents, and satellite data from government hydrographic offices, oceanographic research institutes and universities. We also perform our own harmonic analysis and regularly refresh the source data behind the API.
Presentation-ready plots with timezone handling built in.
Keep the graph output. Make it feel native, accurate and dependable anywhere in the world.
Reference every height to the water level that matters.
Return chart datum, LAT, MSL and dozens of local references without stitching separate systems together.
Heights, extremes, datums and local time in a single call.
Ask for the exact payload your product needs, from compact samples to full forecast context.
Companies which use our data

