‘Ewa Beach Water Temperature

(Today) 2024

27.3°C / 81.1°F

The water will feel hot. Water temperature similar to a heated indoor swimming pool.

*Live data from Pearl Harbor Entrance, HI (233): 27.0°C / 80.6°F

Current weather

24°C / 76°F
(clear sky)
Partly cloudy
Wind
11 mph
Humidity
77%

The measurements for the water temperature in ‘Ewa Beach, Hawaii are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly ‘Ewa Beach water temperature derived from many years of historical sea surface temperature data.

‘Ewa Beach average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in ‘Ewa Beach
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 24.2 23.4 23.2 23.5 24.4 25.2 25.7 25.7 26 25.8 25 23.9
Max °C 25.4 25.3 25.1 26.2 26.7 26.6 26.6 27 27.7 27.3 26.7 26
Min °F 76 74.8 74.5 75.3 76.8 77.9 78.6 78.7 79.4 79 77.6 75.8
Max °F 77.2 76.7 76.4 78 79.1 79.3 79.5 80 81.1 80.5 79.3 77.9

The warmest water temperature is in September with an average around 80.2°F / 26.8°C. The coldest month is March with an average water temperature of 75.4°F / 24.1°C.