Hermosa Beach Water Temperature
13.4°C / 56.2°F
The sea at Hermosa Beach feels cool so don't forget to pack your wetsuit!
Average Sea Temp for Hermosa Beach
The chart and table below are the sea temperature averages for Hermosa Beach calculated from over twenty years of oceanographic data. As above the water temperatures given are for sea surface temperature (SST) which is most relevant to recreational users.