The following links take you to live video or still photo webcams located around the State of Hawaii.
HAWAII ISLAND
Pacific Tsunami Museum – Hilo (video)
http://tsunami.org/hilobaycam/
Canada France Hawaii Telescope
North camera – http://www.cfht.hawaii.edu/webcam/index.php?cam=cfhtdome
South camera – http://www.cfht.hawaii.edu/webcam/index.php?cam=gemdome
North North West – http://www.cfht.hawaii.edu/webcam/index.php?cam=c4
North North East – http://www.cfht.hawaii.edu/webcam/index.php?cam=c3
EarthCam – Waikoloa (video)
https://www.earthcam.com/usa/hawaii/bigisland/waikoloa/?cam=waikoloa
MAUI MOLOKAI LANAI
HONOLULU OAHU
City & County of Honolulu Traffic Cameras (multiple locations)
http://www2.honolulu.gov/honolulumyway/?trafficcam
Hilton Hawaiian Village Webcam (video)
https://www.hiltonhawaiianvillage.com/webcam/
Pipeline Cam / Explore.org (video)
https://www.youtube.com/watch?v=DY5RYp4sxYc
Waimea Bay / Explore.org (video)
https://www.youtube.com/watch?v=wnNrd-VjLsQ
LIVE BEACHES HAWAII – (Various webcams)
https://www.livebeaches.com/state/hawaii/
ISLAND OF KAUAI
EarthCam – Kauai Cam (video)
https://www.earthcam.com/usa/hawaii/kauai/?cam=kauai
EarthCam – Poipu Beach (video)
https://www.earthcam.com/usa/hawaii/kauai/koloa/?cam=koloa