NOAA — National Oceanic and Atmospheric Administration

CO-OPS Metadata API (MDAPI v1)

The CO-OPS Metadata API exposes station inventory, harmonic constituents, NOS PORTS station lists, flood thresholds, and high/low water station catalogs. Supports radius and bounding-box station discovery and returns JSON or XML. Stable endpoint at api.tidesandcurrents.noaa.gov/mdapi/prod.

GitHub

Documentation

📖
Documentation
https://api.tidesandcurrents.noaa.gov/mdapi/prod/

Other Resources

🔗
Changelog
https://api.tidesandcurrents.noaa.gov/mdapi/prod/releasenotes.html

API entry from apis.yml

apis.yml Raw ↑ 
aid: noaa-gov:co-ops-metadata-api
name: CO-OPS Metadata API (MDAPI v1)
description: The CO-OPS Metadata API exposes station inventory, harmonic constituents, NOS PORTS station
  lists, flood thresholds, and high/low water station catalogs. Supports radius and bounding-box station
  discovery and returns JSON or XML. Stable endpoint at api.tidesandcurrents.noaa.gov/mdapi/prod.
humanURL: https://api.tidesandcurrents.noaa.gov/mdapi/prod/
baseURL: https://api.tidesandcurrents.noaa.gov/mdapi/prod/webapi
tags:
- Ocean
- Metadata
- Stations
- PORTS
properties:
- url: https://api.tidesandcurrents.noaa.gov/mdapi/prod/
  type: Documentation
- url: https://api.tidesandcurrents.noaa.gov/mdapi/prod/releasenotes.html
  type: Changelog