That's because the live digital and video cameras mounted around the state are beaming pictures around the globe with updates every 10 minutes.
Here's a quick tour of Hawaii's Internet cams:
Aloha Tower via the Hawaiian Eye at Planet Hawaii, http://planet-hawaii.com/ph/he.html.
Manoa Valley, thanks to the University of Hawaii's Satellite Oceanography Laboratory at http://satftp.soest.hawaii.edu/satlab/manoa.html.
The UH also provides views of Sunset Beach at http://satftp.soest.hawaii.edu/satlab/sunset.html and Iao Valley on Maui at http://satftp.soest.hawaii.edu/satlab/kahului.html.
Lahaina on Maui is also visible at http://www.mauigateway.com/~video. Other Maui locations include: http://www.maui.net/~bob/windcam.html and http://www.synchromic.com/cam.html.
The Big Island offers a view of Mauna Loa through the Mauna Loa Observatory in Hilo at http://mloserv.mlo.hawaii.gov/default.html.
When you return to Honolulu, stop by the Hawaii convention center to watch the construction at http://www.visit.hawaii.org/hconv/develope.html.
Finally, you might want to stop by the Internet C@fe at http://184.108.40.206/?camera=0;method=push;.