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.

GitHub

Documentation

📖
Documentation
https://api.tidesandcurrents.noaa.gov/api/prod/
📖
Documentation
https://tidesandcurrents.noaa.gov/products.html

Other Resources

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

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API entry from apis.yml

apis.yml Raw ↑ 
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