Grotto Beach Water Temperature
15.8°C / 60.5°F
The sea at Grotto Beach feels cool so don't forget to pack your wetsuit!
Average Sea Temp for Grotto Beach
The chart and table below are the sea temperature averages for Grotto 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.