name: NOAA CO-OPS
description: NOAA Center for Operational Oceanographic Products and Services (CO-OPS) provides REST APIs for tides and currents predictions, observed water levels, meteorological data (wind, barometric pressure, air and water temperature), and oceanographic products. The APIs serve real-time and historical data from NOAA observation stations across the United States coastline and Great Lakes.
image: https://tidesandcurrents.noaa.gov/images/noaa-logo.png
url: https://tidesandcurrents.noaa.gov/
tags:
  - NOAA
  - Tides
  - Currents
  - Oceanographic
  - Water Level
  - Weather
  - Predictions
  - Government
created: "2026-06-13"
modified: "2026-06-13"
specificationVersion: "0.19"
apis:
  - name: CO-OPS Data Retrieval API
    description: Retrieves real-time and historical observational and prediction data from NOAA CO-OPS coastal and Great Lakes monitoring stations. Products include water levels, tidal predictions, meteorological observations (wind, air pressure, air and water temperature, humidity, conductivity, salinity, visibility), and currents data.
    image: https://tidesandcurrents.noaa.gov/images/noaa-logo.png
    humanURL: https://tidesandcurrents.noaa.gov/api/
    baseURL: https://api.tidesandcurrents.noaa.gov/api/prod/
    tags:
      - Water Level
      - Tides
      - Currents
      - Meteorological
      - Predictions
      - Observations
    properties:
      - type: Documentation
        url: https://tidesandcurrents.noaa.gov/api/
      - type: OpenAPI
        url: /openapi/data-retrieval-api.json
    contact:
      - FN: CO-OPS User Services
        email: co-ops.userservices@noaa.gov
    x-products:
      - name: Free
        url: /plans/free.md
    x-rate-limits:
      - url: /rate-limits/rate-limits.md
    x-finops:
      - url: /finops/finops.md

  - name: CO-OPS Metadata API
    description: Provides access to metadata for NOAA CO-OPS monitoring stations, including station locations, sensor configurations, harmonic constituents, datums, benchmark data, flood levels, and tide prediction offsets.
    image: https://tidesandcurrents.noaa.gov/images/noaa-logo.png
    humanURL: https://api.tidesandcurrents.noaa.gov/mdapi/prod/
    baseURL: https://api.tidesandcurrents.noaa.gov/mdapi/prod/
    tags:
      - Metadata
      - Stations
      - Datums
      - Benchmarks
      - Harmonic Constituents
    properties:
      - type: Documentation
        url: https://api.tidesandcurrents.noaa.gov/mdapi/prod/
      - type: OpenAPI
        url: /openapi/metadata-api.json
    contact:
      - FN: CO-OPS User Services
        email: co-ops.userservices@noaa.gov

  - name: CO-OPS Derived Product API
    description: Provides derived oceanographic products computed from CO-OPS observational data, including sea level trends, sea level rise projections, high tide flooding statistics and projections, extreme water levels, peak water levels, and benchmark data.
    image: https://tidesandcurrents.noaa.gov/images/noaa-logo.png
    humanURL: https://api.tidesandcurrents.noaa.gov/dpapi/prod/
    baseURL: https://api.tidesandcurrents.noaa.gov/dpapi/prod/
    tags:
      - Sea Level
      - Flooding
      - Trends
      - Projections
      - Extreme Water Levels
      - High Tide Flooding
    properties:
      - type: Documentation
        url: https://api.tidesandcurrents.noaa.gov/dpapi/prod/
      - type: OpenAPI
        url: /openapi/derived-product-api.json
    contact:
      - FN: Tide Predictions
        email: tide.predictions@noaa.gov

common:
  - type: Portal
    url: https://tidesandcurrents.noaa.gov/
  - type: Documentation
    url: https://tidesandcurrents.noaa.gov/web_services_info.html
  - type: PrivacyPolicy
    url: https://www.noaa.gov/privacy-policy
  - type: TermsOfService
    url: https://www.noaa.gov/disclaimer
  - type: Contact
    url: https://tidesandcurrents.noaa.gov/contact.html
  - type: StatusPage
    url: https://tidesandcurrents.noaa.gov/
  - type: Plans
    url: /plans/free.md
  - type: RateLimits
    url: /rate-limits/rate-limits.md
  - type: FinOps
    url: /finops/finops.md
  - type: JSONSchema
    url: /json-schema/data-point.json
  - type: JSONSchema
    url: /json-schema/station.json
  - type: Example
    url: /examples/water-level-request.json
  - type: Example
    url: /examples/water-level-response.json
  - type: Example
    url: /examples/tide-predictions-request.json
  - type: Example
    url: /examples/station-metadata-response.json
  - type: Example
    url: /examples/sea-level-trend-response.json
  - type: Vocabulary
    url: /vocabulary/vocabulary.json
  - type: JSONLDContext
    url: /json-ld/context.json
  - type: JSONLD
    url: /json-ld/station.json

maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com