This MOD creates cleaner swell lines in EXTRASUNNY weather.
The waves are consistent and tidy, like on a good surfing day.

It's best to WATCH THE VIDEO as the ocean is a 'fluid' environment, and hard to represent in static photos.

If you want the CLEAR WATER also - use the Indian Ocean MOD:
https://www.gta5-hub.com/misc/indian-ocean-water-mod
combined with THIS mod.

One file: weather.xml

4 wave sizes available, and instructions on how to increase/decrease size etc are in the download.