Mercer Island Beach Club Beach Water Temperature

10.9°C / 51.6°F

The sea at Mercer Island Beach Club Beach feels cold so don't forget to pack your wetsuit!

Average Sea Temp for Mercer Island Beach Club Beach

The chart and table below are the sea temperature averages for Mercer Island Beach Club 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.

Mercer Island Beach Club Beach sea temperature in degrees Celsius and Fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8 8 8 9 10 12 13 13 13 11 10 9
°F 47 46 47 48 51 54 56 56 55 52 49 47