Tides and Currents (NOAA CO-OPS)
Free NOAA CO-OPS API for water levels, tide predictions, currents, and coastal meteorological observations, no key required.
Tides and Currents (NOAA CO-OPS) is listed in Weather.
Auth No auth Pricing Free URL https://tidesandcurrents.noaa.gov/ Docs https://api.tidesandcurrents.noaa.gov/api/prod/
Key metrics
No published cap Rate limit Free, keyless (NOAA CO-OPS): no published hard limit but a fair-use policy - keep requests reasonable and cache. Bulk pulls should be spaced out.
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Labels
- No auth
No auth
Callable with no API key or login — lowest-friction to integrate.
tides marine currents government no-key