‘Ewa Beach Water Temperature
(Today) 2024
24.6°C / 76.3°F
The water will feel warm (balmy). Most people will be OK with just bathers / swimming costume at this temperature. If you intend to stay in the water for a while a thin shorty wetsuit will suffice.
Current weather
22°C / 72°F
(scattered clouds)
(scattered clouds)
Wind
15 mph
Humidity
78%
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.
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.
| 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.
