WeatherFlow Tempest API Websocket Reference

Endpoints

wss://ws.weatherflow.com/swd/data?token=[your_access_token]

For more information about how to obtain an access token, see our getting started guide.

Request Message	Response Message Types	Description
`{ "type":"listen_start", "device_id":1110, "id":"2098388936" }`	ack obs_air obs_sky obs_st evt_strike evt_precip	Start listening for all new observations and events for a device_id. Each new observation sent by the Device will be pushed to the client as soon as possible. All Device events will be immediatly pushed.
`{ "type":"listen_stop", "device_id":1110, "id":"2098388936" }`	ack	Stop listening for all messages for a Device.
`{ "type":"listen_rapid_start", "device_id":1110, "id":"2098388542" }`	ack rapid_wind	Start listening for rapid 3 second wind data for a Sky Device.
`{ "type":"listen_rapid_stop", "device_id":1110, "id":"2098388587" }`	ack	Stop listening for rapid data messages for a Device.

{
  "type":"ack",
  "id":"2098388936"
}

{
  "type":"evt_precip",
  "device_id":1110
}

{
  "type":"evt_strike",
  "device_id":1110,
  "evt":[1493322445,27,3848]
}

Evt Value Layout

{
  "type":"rapid_wind",
  "device_id":1110,
  "ob":[1493322445,2.3,128]
}

Ob Value Layout

{
  "type":"obs_air",
  "device_id":1110,
  "obs":[[1493164835,835.0,10.0,45,0,0,3.46,1]]
}

Observation Value Layout

Index	Field	Units
0	Time Epoch	Seconds
1	Station Pressure	MB
2	Air Temperature	C
3	Relative Humidity	%
4	Lightning Strike Count
5	Lightning Strike Avg Distance	km
6	Battery	Volts
7	Report Interval	Minutes

{
  "type":"obs_sky",
  "device_id":1110,
  "obs":[[1493321340,9000,10,0.0,2.6,4.6,7.4,187,3.12,1,130,1.034,0,3,0.0,1.011,1]]
}

Observation Value Layout

Index	Field	Units
0	Time Epoch	Seconds
1	Illuminance	Lux
2	UV	Index
3	Rain Accumulated	mm
4	Wind Lull (minimum 3 second sample)	m/s
5	Wind Avg (average over report interval)	m/s
6	Wind Gust (maximum 3 second sample)	m/s
7	Wind Direction	Degrees
8	Battery	Volts
9	Report Interval	Minutes
10	Solar Radiation	W/m^2
11	Local Daily Rain Accumulation	mm
12	Precipitation Type	0 = none, 1 = rain, 2 = hail
13	Wind Sample Interval	seconds
14	Rain Accumulated Final (Rain Check)	mm
15	Local Daily Rain Accumulation Final (Rain Check)	mm
16	Precipitation Analysis Type	0 = none 1 = Rain Check with user display on 2 = Rain Check with user display off

{
  "type":"obs_st",
  "device_id":62009,
  "obs": [[1603481377,0,0.09,0.54,33,6,1014.8,28.8,71,16639,1.83,139,0,0,0,0,2.42,1,0.07615,null,null,0]]
}

Observation Value Layout

Index	Field	Units
0	Time Epoch	Seconds
1	Wind Lull (minimum 3 second sample)	m/s
2	Wind Avg (average over report interval)	m/s
3	Wind Gust (maximum 3 second sample)	m/s
4	Wind Direction	Degrees
5	Wind Sample Interval	seconds
6	Station Pressure	MB
7	Air Temperature	C
8	Relative Humidity	%
9	Illuminance	Lux
10	UV	Index
11	Solar Radiation	W/m^2
12	Rain Accumulated	mm
13	Precipitation Type	0 = none, 1 = rain, 2 = hail
14	Lightning Strike Avg Distance	km
15	Lightning Strike Count
16	Battery	Volts
17	Report Interval	Minutes
18	Local Daily Rain Accumulation	mm
19	Rain Accumulated Final (Rain Check)	mm
20	Local Daily Rain Accumulation Final (Rain Check)	mm
21	Precipitation Analysis Type	0 = none 1 = Rain Check with user display on 2 = Rain Check with user display off