NOAA Aviation Weather Center data API

Kept by incident.meteorology@web-summit.dinis, 11 November 2026, 11:36 UTC

Open data and APIs

Left: what points at it. Right: what it points at. Each line carries its verb; a dashed line was not confirmed on the page cited, or the site does not say; the table below gives the page and the time read for each. From data-awc-api.json

Where a forecast comes from · Open data and APIs · id data-awc-api · as data

METAR and TAF for any aerodrome as JSON, no key: how our data room reads Lisbon airport.

Address: https://aviationweather.gov/data/api/ (leaves this site)

What it is connected to, and who says so

The same thing elsewhere on this site: source:noaa-awc in the register of sources (a join we state, not a match by address).

This	Verb	That	The page that says so	Read	Check
NOAA Aviation Weather Center data API	redistributes	Airport observations (METAR)	aviationweather.gov: "Temperature Winds Turbulence Icing Products SIGMET G-AIRMET Center Weather Adv Prog charts TAF map Forecast Discussions METAR/TAF data PIREP/AIREP data Wind/temp data ITWS data WAFS grids SigWx charts TCF/eTCF/ECFP Tools"	11:28 UTC, 11 Nov	stated on the page
NOAA Aviation Weather Center data API	published by	NOAA (NWS, NCEP, NESDIS)	aviationweather.gov: "Temperature Winds Turbulence Icing Products SIGMET G-AIRMET Center Weather Adv Prog charts TAF map Forecast Discussions METAR/TAF data PIREP/AIREP data Wind/temp data ITWS data WAFS grids SigWx charts TCF/eTCF/ECFP Tools"	11:28 UTC, 11 Nov	stated on the page

Licence: what we may do with it

NOAA / US National Weather Service (GFS, NOMADS, Aviation Weather Center, NHC): US government work: public domain (weather.gov, read 11:30 UTC, 11 Nov, stated on the page).

Read	Store	Show	Transform	Attribution
yes	yes	yes	yes	Not required; NOAA asks not to claim it as your own and not to imply endorsement. We credit "NOAA/NWS".

Do not present modified data as official NWS information.

What it offers for Lisbon and Madeira this week

METAR and TAF for Lisbon (LPPT), Madeira (LPMA), Porto Santo (LPPS) and every other aerodrome: the only open observation of gusts for Lisbon.

Endpoint: https://aviationweather.gov/api/data/metar?ids=LPPT,LPMA&format=json
Key: none
Format: JSON (also raw text, XML, GeoJSON)
Size: 0.9 KB for two airports (our probe)
Cadence: METAR every 30 minutes, more often in bad weather; TAF every 6 hours and when amended
This week (probe read 02:29 UTC, 11 Nov): Read 02:29 UTC, the 02:00 reports: Madeira 200° at 27 kt, light rain, 1000 hPa; Lisbon 200° at 5 kt, 1006 hPa. Our data room reads LPPT hourly (airport.json); LPMA is not yet read there.
A small sample, as returned: awc-metar-lppt-lpma.json

Not a warning service: this page explains where data comes from. For warnings follow IPMA and ANEPC.