Open Meteo · Research

Open-Meteo / Marine forecast (waves, swell, sea temperature)

Hourly, daily and current marine weather for a sea point: waveheight, wavedirection, waveperiod, swellwaveheight, seasurfacetemperature, oceancurrent_velocity. Land points answer empty values. Runs on your own Open-Meteo API key from a paid Open-Meteo plan (Connections, Add key, Open-Meteo). looot charges $0; Open-Meteo counts the call on your plan (a call with more than 10 variables or more than 2 weeks of data counts as more than 1). Data CC BY 4.0: credit Open-Meteo (open-meteo.com) when you show it.

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Published API evidence

Public metadata only. Response bodies, credentials, and internal review notes are never displayed.

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Request parameters

current query · optional
Current variables, e.g. ["wave_height"].
daily query · optional
Daily variables, e.g. ["wave_height_max"]. Needs timezone.
forecast_days query · optional
Days ahead, 1 to 16. Default 7.
hourly query · optional
Hourly variables, e.g. ["wave_height","swell_wave_height"].
latitude query · required
Latitude in decimal degrees, e.g. 52.52.
longitude query · required
Longitude in decimal degrees, e.g. 13.41.
timezone query · optional
Time zone for times, e.g. Europe/Berlin or auto. Default GMT.

No allowlisted official documentation or pricing reference is available.