3-2354-01 Halawa Shaft (S12), Oahu, Hawaii water temperature
3-2354-01 Halawa Shaft (S12), Oahu, Hawaii · River
The current water temperature at 3-2354-01 Halawa Shaft (S12) is 21.5 °C (as of October 13, 2026, source: USGS).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
21.5 °C
Nearby waters
Frequently asked questions
Can you swim at 3-2354-01 Halawa Shaft (S12) right now?
The current water temperature is 21.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at 3-2354-01 Halawa Shaft (S12)?
Currently 21.5 °C (updated continuously).
