You like taking a hot bath?
That would typically have a temperature of around 38 °C.
The ocean in the Florida Keys has reached a shocking 38.4 °C.
https://www.theguardian.com/us-news/2023/jul/25/florida-ocean-temperatures-hot-tub-extreme-weather
Florida ocean records ‘unprecedented’ temperatures similar to a hot tub

The 90-100F readings add to previous warnings over warming water putting marine life and ecosystems in peril

The Guardian
@rahmstorf
My son plus grandchildren have been there. The sea was too hot, he prefered the "cold" (sea water heated) Pool with relaxing 28°C.