NDBC station 23009 is a moored standard meteorological station at 15.000°N 90.000°E, operated by Research Moored Array for African-Asian-Australian Monsoon Analysis and Prediction. PierMonkey reads its observations straight from the NOAA National Data Buoy Center and republishes them free, with no account required to see current conditions.

It reports significant wave height, dominant and average wave period, wind speed, gusts and direction, air and sea-surface temperature, and barometric pressure.