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Not a warning service. Follow IPMA, ANEPC and your local authorities. We aggregate public sources, each with its source and the time we read it.

This view is drawn in the browser from the JSON files linked below. Without JavaScript, read the tables on this page.

IPMA's open data · Warnings over time · Stations · The sea · Cities: forecast and observed · The API, mapped · What we learned · Browse the files · Licence and terms

IPMA's name for it: Observação Meteorológica de Estações, últimas 3 horas. Documented at api.ipma.pt. Drawn at stations.

Addresshttps://api.ipma.pt/open-data/observation/meteorology/stations/obs-surface.geojson
FormatGeoJSON
ShapeFeatureCollection of points, one per station and hour
IPMA says it updatesTaxa de atualização horária.
IPMA's file dated (its Last-Modified header)2026-11-11 11:31 UTC
We last read it2026-11-11 11:50 UTC, 1 file, 435978 bytes
IPMA's note"valor "-99.0" = nodata"

Fields

FieldTypeUnitMeaning (our English)IPMA's wordingWhere the documentation differs
geometry.coordinates[longitude, latitude]°where the station is··
timedate-time, no zone·the hour of the observation··
idEstacaointeger·the station (a node: station)··
localEstacaostring·the station's name··
descDirVentostring·the wind direction as letters··
intensidadeVentoKMnumberkm/hwind speed at 10 m"intensidade do vento registada a 10 metros de altura (km/h)"·
intensidadeVentonumberm/swind speed at 10 m··
idDireccVentointeger·class of the prevailing wind direction at 10 m: 0 none, 1 or 9 N, 2 NE, 3 E, 4 SE, 5 S, 6 SW, 7 W, 8 NW··
temperaturanumber°Cair temperature at 1.5 m, mean of the hour··
precAcumuladanumbermmprecipitation at 1.5 m, accumulated in the hour"precipitação registada a 1.5 metros de altura, valor acumulado da hora (mm)"·
humidadenumber%relative humidity at 1.5 m, mean of the hour··
pressaonumberhPapressure reduced to mean sea level, mean of the hour··
radiacaonumberkJ/m²solar radiation··

Not documented

  • the hour label's convention, as for observations.json

Files read

FileAnswerBytessha256IPMA's file dated (UTC)We read it (UTC)
observation/meteorology/stations/obs-surface.geojson200435978a86e338745dc2449…2026-11-11 11:312026-11-11 11:50

The links go to IPMA's live files. Full hashes: latest.json. What changed between reads: changes/obs-surface.json. Our small files made from it: data/observations.json.