Big issue with background waves during interview

I can sure use some input. I'm working on a short doc about a blind, open-water swimmer. I'm kicking myself for doing an interview too close to the shore and, of course, loud waves rolled in as the interview progressed. I tried using Essential Sound in Premiere, but it only dampened the wave noise slightly, but not enough to use the interview as a voice-over for b-roll (audio doesn't match, as video shows swimmer deep in ocean, with voice over we hear loud waves. It's jarring and won't work. Any help would be very much appreciated. Thanks! 

-AL