USGS stream gauge 16704000 · Hawaii
Wailuku River at Piihonua, HI
As of Oct 27, 2026, 10:50 PM HST, this gauge read a gage height of 2.65 ft and a flow of 69 cfs. Over the past 7 days the water level fell 0.03 ft. Data from the USGS.
Updated Oct 28, 2026, 5:26 AM EDT (USGS Water Data snapshot)
Gage height
2.65 ft
7-day range 2.65–2.68 ft
Discharge
69cfs
7-day range 69–71 cfs
Latest reading
37 min ago
Oct 27, 2026, 10:50 PM HST
Readings are provisional USGS data and may be revised. Rivers can rise fast after rain upstream. For flood warnings, check weather.gov and follow local authorities.
Gage height, past 7 days
Discharge, past 7 days
Chart dates are in Hawaii local time (Pacific/Honolulu).
Reading this gauge
Gage height is the water surface level above this station's own reference point, so 2.65 ft is not the river depth and cannot be compared with other gauges. Discharge, the volume of water flowing past each second, is the better number for comparing conditions over time and between rivers.
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| USGS site number | 16704000 |
|---|---|
| Official name | Wailuku River at Piihonua, HI |
| State | Hawaii |
| Drainage area | 220 sq mi |
| Gage datum elevation | 1,090.0 ft above sea level |
| Coordinates | 19.7121° N, 155.1507° W |
Source: USGS Water Data for the Nation, site 16704000. Parameters 00065 (gage height) and 00060 (discharge).
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