Where every figure comes from. Who measured the sea Tonnr shows, how often it is read, and on what terms.
Named
Every figure says its source and its licence, in the app and in the API.
Open
Only sources whose terms allow it, read where they publish.
Not copied
No data is taken from another app or another site.
Buoys8
CANDHIS
Cerema
The national network of wave buoys along the French coasts, kept by Cerema with its partners.
- Coverage
- France and overseas
- Read
- Every 30 min
- Licence
- Etalab 2.0
Copernicus Marine
In situ
The buoys of the national institutes, Spain's and Ireland's among them, gathered by the European marine service.
- Coverage
- Ireland to the Canaries
- Read
- Every hour
- Licence
- Copernicus Marine
NOAA NDBC
National Data Buoy Center
The American network of buoys and coastal stations, which also relays its partners' around the world. Waves and wind.
- Coverage
- United States and beyond
- Read
- Every 10 min
- Licence
- Public domain
Irish Lights
Commissioners of Irish Lights
The buoys and weather stations of the Irish lighthouse service. Waves and wind.
- Coverage
- Ireland
- Read
- Every hour
- Licence
- CC BY 4.0
Marine Institute
Irish Weather Buoy Network
The weather buoys far off the Irish coast, M2 to M6. Waves and wind.
- Coverage
- Ireland
- Read
- Every hour
- Licence
- CC BY 4.0
- Site
- www.marine.ie
Instituto Hidrográfico
The wave buoys of the Portuguese Navy's hydrographic institute.
- Coverage
- Portugal, Madeira, Azores
- Read
- Every 30 min
- Licence
- CC BY-NC 4.0
FMI
Finnish Meteorological Institute
The wave buoys of the Finnish Meteorological Institute.
- Coverage
- Baltic Sea
- Read
- Every 30 min
- Licence
- CC BY 4.0
Queensland Government
The wave buoys of the Queensland Government, along its coast.
- Coverage
- Queensland, Australia
- Read
- Every 30 min
- Licence
- CC BY 4.0
- Site
- www.qld.gov.au
Wind9
Météo-France
The ground stations of the French weather service: wind and gusts.
- Coverage
- France
- Read
- Every 6 min
- Licence
- Etalab 2.0
- Site
- meteofrance.com
OpenWindMap
A community network of wind beacons, Pioupiou among them, often set right on the spots.
- Coverage
- Mostly France
- Read
- Every 10 min
- Licence
- Its own terms
DMI
Danmarks Meteorologiske Institut
The stations of the Danish weather service, many on lighthouses and harbours: wind and gusts.
- Coverage
- Denmark, Faroes, Greenland
- Read
- Every 10 min
- Licence
- CC BY 4.0
- Site
- www.dmi.dk
Rijkswaterstaat
The stations of the Dutch authority of the coast: on the shore, on the Wadden and on the platforms of the North Sea.
- Coverage
- Netherlands
- Read
- Every 10 min
- Licence
- CC0 1.0
JMA
Japan Meteorological Agency
AMeDAS, the automatic stations of the Japanese weather service, many on capes and harbours.
- Coverage
- Japan
- Read
- Every 10 min
- Licence
- PDL 1.0
- Site
- www.jma.go.jp
NOAA CO-OPS
Center for Operational Oceanographic Products and Services
The weather sensors of NOAA's tide stations, on piers and harbours, on the shore itself: wind and gusts.
- Coverage
- United States
- Read
- Every hour
- Licence
- Public domain
IPMA
Instituto Português do Mar e da Atmosfera
The stations of the Portuguese weather institute, every hour.
- Coverage
- Portugal, Madeira, Azores
- Read
- Every hour
- Licence
- Its own terms
- Site
- www.ipma.pt
AEMET
Agencia Estatal de Meteorología
The automatic stations of the Spanish weather agency, with gusts, on an instance that holds a key.
- Coverage
- Spain
- Read
- Every hour
- Licence
- Its own terms
- Site
- www.aemet.es
METAR
NOAA Aviation Weather Center
The reports of the world's airports, where no other station stands near: wind and gusts.
- Coverage
- World
- Read
- Every 20 min
- Licence
- Public domain
Forecasts2
Open-Meteo
ECMWF, Météo-France
Wave and wind forecasts at any point, from the models of ECMWF, at 9 km, and of Météo-France, at 8 km, with the weather to come.
- Coverage
- World
- Read
- Every 2 hours
- Licence
- CC BY 4.0
- Site
- open-meteo.com
Copernicus Marine
Met Office, Météo-France
The Met Office's fine model, at 1.5 km from the Vendée to Norway; the swell apart from the wind sea, by Météo-France's model; and the map of wave heights.
- Coverage
- World
- Licence
- Copernicus Marine
Tides1
Neaps
TICON-4, NOAA
Tides computed from open harmonic constants, at the nearest port. They are not SHOM's predictions, so there is no coefficient yet.
- Coverage
- World
- Read
- Computed
- Licence
- One per station
- Site
- openwaters.io
Surf breaks1
Tonnr's catalogue
The breaks the instance's operator added, completed by what accounts write of them. A spot an account makes public joins it under the ODbL.
- Coverage
- World
- Licence
- ODbL 1.0
Map3
OpenFreeMap
OpenMapTiles, OpenStreetMap
The map under everything, drawn from OpenStreetMap.
- Coverage
- World
- Licence
- ODbL 1.0
- Site
- openfreemap.org
Natural Earth
The coastline that tells a wind station of the coast from one inland, so that a wide view shows the sea's wind first.
- Coverage
- World
- Licence
- Public domain
Photon
komoot, OpenStreetMap
Finding a place by its name, for an account.
- Coverage
- World
- Licence
- ODbL 1.0
- Site
- photon.komoot.io
A source is missing?
Tell me which one, and where it publishes. The technical detail of every source, its access and its terms, is in the repository.