WxUSA - Hawaii

Features links to current conditions, forecasts, radar, maps, webcams, kid's weather, and hurricane links for each city.
http://www.wxusa.com/HI/

Hawaii Weather and Surf

Features hourly forecasts which contain National Weather Service data from the University of Hawaii School of Ocean and Earth Science and Technology (SOEST) Meteorology Server.
http://www.hawaii.edu/News/weather.html

Hawaii Weather Today

Features cable-TV weatherman, Glenn James, with information on today's weather forecast, extended forecast, webcams, and map imagery.
http://hawaiiweathertoday.com/

Honolulu NWSFO homepage

Weather Forecast Office and Central Pacific Hurricane Center Honolulu , Hawaii
http://www.prh.noaa.gov/pr/hnl/index.html

AccuWeather.com

Offers current conditions and extended weather forecasts plus weather maps, doppler radar, and historical weather information.
http://wwwa.accuweather.com/adcbin/public/browse_us_forecasts.asp?state=hi

Naval Pacific Meteorology and Oceanography Center

Meteorology and oceanography research center.
https://metoc.npmoc.navy.mil/