NDBC Buoy Data Request (of any type)

The NDBC keeps a 40-day recent rolling file for each buoy. This examples shows how to access the other types of data available for a buoy.

from siphon.simplewebservice.ndbc import NDBC

Request the types of data available from a given buoy.

data_aval = NDBC.buoy_data_types('42012')
print(data_aval)

{'txt': 'standard meteorological data', 'supl': 'supplemental measurements data'}

Get a pandas data frame of all of the observations, meteorological data is the default observation set to query.

df = NDBC.realtime_observations('42012', data_type='supl')
df.head()

	hourly_low_pressure	hourly_low_pressure_time	hourly_high_wind	hourly_high_wind_direction	hourly_high_wind_time	time
0	NaN	NaT	2	NaN	2025-03-11 16:17:00+00:00	2025-03-11 16:20:00+00:00
1	NaN	NaT	2	NaN	2025-03-11 16:05:00+00:00	2025-03-11 16:10:00+00:00
2	NaN	NaT	2	NaN	2025-03-11 15:59:00+00:00	2025-03-11 16:00:00+00:00
3	NaN	NaT	1	NaN	2025-03-11 15:49:00+00:00	2025-03-11 15:50:00+00:00
4	NaN	NaT	2	NaN	2025-03-11 15:37:00+00:00	2025-03-11 15:40:00+00:00