The Pacific Islands Ocean Observing System (PacIOOS) maintains a network of buoys for monitoring waves and beaches along the coastlines of Hawaiʻi and elsewhere in the insular Pacific. Waves are a critical factor in all shore processes, playing a central role in everything from stresses on coastal structures to sand transport and beach formation. These moored buoys measure significant wave height, wave period, and the direction of wave propagation. Data are distributed through the Coastal Data Information Program (CDIP).
time period: current; updates every 30 minutes.