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Open-Meteo Marine

Ocean wave height, swell, sea temperature and marine weather data

Open documentation ↗
No keyHTTPSCORSEnvironment

Verified 4 days ago: 100% uptime

API key

Not required

HTTPS

Supported

Browser calls

Yes, CORS enabled

Status

Live · 100/100

What our checks found

Health score
100/100
Reliability
100%
Average latency
465ms

Last checked 2026-09-18. Measured independently, not self-reported by the provider.

How to call it

A starting template for Open-Meteo Marine. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.

# No authentication required.
curl -s "https://open-meteo.com/ENDPOINT" \
  -H "Accept: application/json"

Where this listing comes from

Aggregated from one public source (public-api-lists), then normalised and checked by us. If something here is wrong, tell us and we will correct it.

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Open-Meteo Marine — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is Open-Meteo Marine free to use?

Open-Meteo Marine is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.

Does Open-Meteo Marine need an API key?

No. We called Open-Meteo Marine on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.

Can I call Open-Meteo Marine from browser JavaScript?

Yes. Open-Meteo Marine returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.

Is Open-Meteo Marine still working?

Yes, as of 2026-09-18. Our automated check reached Open-Meteo Marine and recorded a 100% reliability score with a median response time of 465 ms. We re-check on a schedule, and this page updates with the result.

Is Open-Meteo Marine available over HTTPS?

Yes. Open-Meteo Marine serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.