They probably mounted the temp probe an inch below the water surface like my dad's pool too so that the sun can beat on it. Then when we would bitch about it being cold he could say it's 85F.
So many of those stations in the Keys came online in the winter of 2019-2020. So there's only a few years of summer data with them to begin with. So all of these low 90s readings may be typical. CNN is such a hype machine.
Meh...that station came online Nov 2019. It has routinely hit 95-97F in June/July since then.
I remember water temps offshore around Fort Myers Beach being frequently 92-93F when I was down there in 2007. It was 93F yesterday.