Some Okinawa main-island webcams

These could come in handy for checking sea conditions:

Chatan / Sunabe - Miyagi Kaigan

https://www.youtube.com/watch?v=UFhyjb1umMQ

Cape Maeda

https://maedamisaki.jp/sea-status

Onna

https://www.webcamtaxi.com/en/japan/okinawa-prefecture/kariyushi-private-beach-cam.html

https://www.webcamtaxi.com/en/japan/okinawa-prefecture/kariyushi-oceanspa-cam.html

Malibu Beach (Onna)

https://www.skylinewebcams.com/en/webcam/japan/okinawa-prefecture/okinawa/malibu-beach.html

Nago Bay

https://www.youtube.com/watch?v=0g8KV8Y2MEI

Motobu

https://www.skylinewebcams.com/en/webcam/japan/okinawa-prefecture/motobu/motobu.html

https://www.youtube.com/watch?v=d2TlytIj4iU