Spectra of Hawaiian region NDBC buoy data:

Figures below courtesy of data from the National Data Buoy Center
links to NODC buoy pages: 51101,  51201,  51003,  51003

All plots are made by matplotlib , a rapidly developing
open source alternative to matlab, written in python.

This page shows spectra with independent scales.
An experimental page also shows all 5 non-directional spectra
on a uniform scale (probaby best in winter)

51101
buoy 51101 spectra 		buoy 1 directional spectra
last 48 hours (broadband recommended)
51201
buoy 51201 spectra 		buoy 1 directional spectra
last 48 hours (broadband recommended)
51003
buoy 51003 spectra
locations
buoy location map