Welcome to the MET Norway Weather API v.3

Norsk versjon.

api.met.no/weatherapi is an interface to a selection of data produced by MET Norway. The data are available for use under a Creative Commons license. See also separate conditions for use of the service.

All regular users of the API are strongly recommended to subscribe to our API-users mailing list as this is the only channel on which we will communicate planned changes outside the API itself (see the archives for past notifications).

For operational status and maintenance notifications, see status.met.no (please bookmark in case there is a problem with the site).

For information on available data and how to access them, please refer to the weatherapi documentation. For a list of changes since version 2, see the Release Notes for v.3.

Data owned by other institutions than MET Norway is not available for unrestricted public use. This is specified in the documentation of each product. Examples of such products are the Nordic radar images and some satellite images. Refer to the documentation of each product.

Available products:

Airqualityforecast 0.1: Airqualityforecast - Forecast of air-quality for locations in Norway
Aviationforecast 1.6: Aviationforecast - Textual aviation weather forecasts
ExtremesWWC 1.2: ExtremesWWC - The Wettest, Warmest and Coldest places
Forestfireindex 1.1: ForestfireIndex - Reporting danger level of forest fires.
Geosatellite 1.4: Geosatellite - Images from geostationary satellites
Gribfiles 1.1: Gribfiles - Serve grib files on the coast from Oslo and Western Norway
Icemap 1.0: Icemap - Maps as images showing current ice conditions in the arctic regions.
Lightning 1.0: Lightning - lightning data delivered in UALF
Locationforecast 1.9: Locationforecast - Weather forecast for a specified place
LocationforecastLTS 1.3: LocationforecastLTS - Weather forecast for a specified place, long term support.
MetAlerts 1.1: MetAlerts - Weather alerts from the Norwegian Meteorological Institute
Metgc 1.0: Metgc - Deliver meteorological forecast data in METGC format for defined areas
Metgm 1.0: Metgm - Deliver meteorological forecast data in METGM format for defined areas
NLAroutes 1.0: NLAroutes - Vertical cross sections for flight routes
Nowcast 0.9: Nowcast - Nowcast for a specified place.
Oceanforecast 0.9: Oceanforecast - Ocean forecast for a specified place
Polarsatellite 1.1: Polarsatellite - Images from satellites in polar orbit
Probabilityforecast 1.1: Probabilityforecast - Probability forecast for a specified place
Radar 1.5: Radar - Radar images from various locations
Radarlightning 1.1: Radarlightning - Radar images from various locations
Routeforecast 1.0: Routeforecast - Maps and vertical cross sections for offshore flight routes
Sigmets 1.0: Sigmets - Get sigmets and airmets for Norway
Spotwind 1.0: Spotwinds - Spotwinds in XML
Subjectiveforecast 1.0: Subjectiveforecast - Forecasts and analyses charts from the meteorologist
Sunrise 2.0: Sunrise - Calculate sun/moon rise/set for a given place
Tafmetar 1.0: Tafmetar - Receive Taf/Metar from airports
Textforecast 2.0: Textforecast - Textual weather forecast for Norwegian land and sea areas
Tidalwater 1.1: Tidalwater - Tidal water information
Turbulence 1.1: Turbulence - Turbulence prognosis
UVforecast 1.0: UVforecast - A prognosis of UV radiation
Upperwindweather 1.1: Upperwindweather - Upperlevel wind and weather charts
VerticalProfile 1.1: Verticalprofile - Vertical profiles of wind and weather
Volcanicashforecast 0.1: Volcanicashforecast - Norwegian national volcanic ash products including forecast
Weathericon 1.1: Weathericon - deliver weather icons.

News

New API products 2019-03-04

We will shortly launching some new products, mainly of interest for Norwegian users. As described earlier, some obsolete products will also be removed.

textforecast 2.0

We have started the process of cleaning up the old text forecasts, with a new XML format (which can be validated), more consistent data structure and clearly defined areas. All of new forecasts share the same format and schema, including:

landoverview
coast_en, coast_no
seabank_en, seabank_no, seabank_wmo
seahigh_en, seahigh_no, seahigh_wmo

To aid in transition from textlocation, all areas are now identified with an id, which can be used to look up the corresponding geographical coordinate polygon. These files can be downloaded from the /areas endpoint, but we hope eventually to be able to include them directly in the forecast.

Textforecast 1.6

We have removed the "land" product (use "landoverview in 2.0) as well as "seaoslofjord" (use "coast_no" and "seabank_no" in 2.0).

Airqualityforecast

For some time we have been working on air quality forecasts in cooperation with several other public services. This is expected to go out of beta soon.

Routeforecast 1.0

This is a new image service for aviation, primarily offshore helicopter flights.

Textlocation 1.0

This product will expire March 15th. Please use the "landoverview" product in textforecast along with the area files.

Errornotifications 1.0

This service hasn't delivered any data for months and will expire on March 15th.

ExtremesWWC 1.2

This product will expire on April 1st, when we are turning off the WSklima service. There might be a similar service on frost.met.no in the future.

Discontinuation of text forecasts 2018-12-21

As mentioned earlier we are discontinuing some little used products from api.met.no, here is a complete list:

On February 1st we will remove the following products from the textforecast service:

the route_fbno products (these will still be available for professional users via NAIS which everybody seem to use anyway)
the landday/long, seabankday1 and metkyst products (which are used to generate more comprehensive forecasts)
the iga_fbno43, easter and miskred products (which haven't been produced for years)

We have checked the logs and all of these have little or no traffic, so we don't expect them to be missed. This is the full list of discontinued forecasts:

easter, landday0, landday1, landday2, iga_fbno43, landlong, metkyst0, metkyst1, miskred_north, miskred_south, route_fbno69, route_fbno70, route_fbno72, route_fbno74, route_fbno75, route_fbno76, route_fbno77, route_fbno78, route_fbno79, route_fbno80, seabankday1.

Also, on March 1st the textlocation service will be discontinued. We will also remove the "land" product from the textforecast service. There will be another forecast product to replace those two products, details of which are to follow later.

At the same time, the product "seaoslofjord" containing forecasts for Skagerrak and for the Norwegian coast from the Swedish border to Hordaland will be discontinued. Forecasts for Skagerrak can be found in the "seabank" product, while forecasts for the complete Norwegian coastline can be found in the "coast" product.

We will soon also remove the errornotifications service, which is no longer producing any data. This will be replaced by specific status messages for each product.

Change log

Routeforecast: 1.0 out of beta: 2019-05-14

No further changes planned, product considered stable and can be used in production.

Aviationforecast: aviation text forecasts moved to separate product, 2019-04-24

Since textforecast version 1.6 is deprecated and will be removed soon, we have moved the aerodrome and IGA forecasts to a separate product. This will enable them to keep stable while the other text forecasts are in the process of being updated to 2.0 standard.

Routeforecast: New products, back to beta: 2019-04-04

Type Wave has been replaced with a similar but more precise product helicoptersignificantwaveheight (existing requests will be redirected). In addition two other new products have been added, helicopterlightningobservations and helicoptertriggeredlightningindex.

Due to constantly changing requirements we have added back the beta status for routeforecasts. Further changes may be expected, we do not recommend using this service in production environments unless in cooperation with MET Norway. We suggest subscribing to the Changelog RSS feed to be informed about further developments.

Volcanicashforecast: Version 0.1: 2019-03-27

First prototype

Sunrise: More data for version 2.0: 2019-03-14

moonposition is now repeated for every day in the interval, not just the first day. We have also added a phase attribute to moonposition to show the moon phase for each day, not just the first. Max days is now set to 15.

Since there are only additions to the existing format we assume keeping the existing version is more convenient than bumping so that everyone will have to modify their existing clients.

Upperwindweather: New /status function, 2019-03-11

The new /status endpoint will now list all received files, as well as any errors in transmission.

Other data sources at MET Norway

Frost, API for observations and climate data
THREDDS for model and research data, including sea and ice models

See free meteorological data on met.no for a complete list of data services.

Questions?

For questions regarding rights to and use of data, see our Licensing and Data Policy. For handling of personal data, see MET Norway's Privacy Policy Statement. For technical questions, contact technical personnel.