Hello FallOut, let me help you with this, try adjusting the Global Distance Field View Distance
PS: This setting may have performance implications, especially in large scenes.
I encountered the same problem and found a solution thanks to a post on Reddit.
https://www.reddit.com/r/unrealengine/comments/13pbdfj/water_body_ocean_foam_display_issue/
I hope this helps you as it helped me. If you still have any problems or questions, don’t hesitate to ask.