NOAA — National Oceanic and Atmospheric Administration

CO-OPS Data Retrieval API (Tides & Currents)

The Center for Operational Oceanographic Products and Services (CO-OPS) Data API returns water-level observations, tide predictions, currents, meteorological observations, and operational forecast model output (NOS OFS nowcasts) for over 200 stations along US coasts, the Great Lakes, and US territories. Supports XML, JSON, and CSV with selectable datums (MLLW, MHHW, MSL, plus Great Lakes datums), units, and time zones. Free, no key required. Stable endpoint at api.tidesandcurrents.noaa.gov.

CO-OPS Data Retrieval API (Tides & Currents) is one of 12 APIs that NOAA — National Oceanic and Atmospheric Administration publishes on the APIs.io network.

Tagged areas include Ocean, Tides, Currents, Water Level, and Marine. The published artifact set on APIs.io includes API documentation.

Documentation GitHub

Documentation

https://api.tidesandcurrents.noaa.gov/api/prod/

https://tidesandcurrents.noaa.gov/products.html

Other Resources

https://tidesandcurrents.noaa.gov/api-helper/url-generator.html

API entry from apis.yml

aid: noaa-gov:co-ops-data-api
name: CO-OPS Data Retrieval API (Tides & Currents)
description: The Center for Operational Oceanographic Products and Services (CO-OPS) Data API returns
  water-level observations, tide predictions, currents, meteorological observations, and operational forecast
  model output (NOS OFS nowcasts) for over 200 stations along US coasts, the Great Lakes, and US territories.
  Supports XML, JSON, and CSV with selectable datums (MLLW, MHHW, MSL, plus Great Lakes datums), units,
  and time zones. Free, no key required. Stable endpoint at api.tidesandcurrents.noaa.gov.
humanURL: https://api.tidesandcurrents.noaa.gov/api/prod/
baseURL: https://api.tidesandcurrents.noaa.gov/api/prod
tags:
- Ocean
- Tides
- Currents
- Water Level
- Marine
properties:
- url: https://api.tidesandcurrents.noaa.gov/api/prod/
  type: Documentation
- url: https://tidesandcurrents.noaa.gov/api-helper/url-generator.html
  type: Sandbox
- url: https://tidesandcurrents.noaa.gov/products.html
  type: Documentation