Global tide API

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.

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One API for the Entire World

We combine satellite telemetry, gauge data and harmonic analysis into a single, easy to use API to provide you with over 8000 locations around the world. Our sources include:
  • 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...
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Developer-grade output

Rich Features

Production-ready tide intelligence, delivered with the context developers need for mapping, routing, planning and on-water experiences.

Coverage engine

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.

Tide graphs

Presentation-ready plots with timezone handling built in.

Keep the graph output. Make it feel native, accurate and dependable anywhere in the world.

Datums

Reference every height to the water level that matters.

Return chart datum, LAT, MSL and dozens of local references without stitching separate systems together.

API delivery

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