Kamananui Str at Pupukea Mil Rd, Oahu water level

Name: Kamananui Str at Pupukea Mil Rd, Oahu water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Kamananui Str, Hawaii, United States

Directions

Normal for mid-October

Water level

1.03ft Steady over the last 24 hours

Measured Oct 20, 2026, 04:35 AM HST (34 min ago)

Flow: 7.7 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Kamananui Str at Pupukea Mil Rd, Oahu reads 1.03 ft, a normal level for mid-October.

That puts it 0.33 ft above the median of 0.70 ft for mid-October, based on 11 years of readings. A year ago it stood at 0.37 ft (+0.66 ft).

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 0.99 ft and 3.40 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 11 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 0.70 ft0.33 ft above the median for this date
Normal for this date: 0.20 ft – 2.81 ft8 years in 10 fall in this range (11 years of records)
Same day last year: 0.37 ft+0.66 ft
Lowest and highest in 30 days: 0.99 ft – 3.40 ft
Lowest and highest in 12 months: 0.17 ft – 5.93 ft

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

Weather at the gauge

Rain in the last 3 days: 0.57 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 79° 70° 0.24 in, 100% Wind 14 mph

18 Sun 79° 68° 0.36 in, 100% Wind 16 mph

19 Mon 79° 69° 0.33 in, 88% Wind 15 mph

20 Tue 78° 70° 0.16 in, 91% Wind 16 mph

21 Wed 77° 70° 0.15 in, 59% Wind 12 mph

22 Thu 78° 70° 0.25 in, 61% Wind 10 mph

23 Fri 80° 66° 0.02 in, 53% Wind 5 mph

Forecast: Open-Meteo

Sunrise 06:31 AM Sunset 06:04 PM Daylight 11 hr, 34 min First quarter 69%

Map

Other gauges on the Kamananui Str

Gauge	Level	Compared with normal	24 hours	Distance
Kamananui Str at Maunawai, OahuRiver gauge, Kamananui Str	2.25 ft	Below flood stage	−0.09 ft	2.7 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Opaeula Str near Wahiawa, OahuRiver gauge, Opaeula Str	1.88 ft	Below flood stage	−0.06 ft	4.1 mi
Helemano 6 Reservoir, OahuReservoir	22.88 ft	Normal	+0.04 ft	5.7 mi
Upper Helemano Reservoir near Wahiawa, OahuReservoir, Upper Helemano Reservoir	42.82 ft	Very high	−0.16 ft	7 mi
Kemoo 5 Reservoir, OahuReservoir	14.65 ft	Normal	+0.04 ft	7 mi
Kaluanui Stream near Punaluu, OahuRiver gauge, Kaluanui Stream	3.84 ft	Below flood stage	+0.02 ft	7 mi
Kaukonahua Str at Waialua, OahuRiver gauge, Kaukonahua Str	16.70 ft	Below flood stage	±0	8 mi
NF Kaukonahua Str above RB, near Wahiawa, OahuRiver gauge, NF Kaukonahua Str	2.09 ft	Below flood stage	+0.02 ft	8 mi
Wahiawa Ditch at Wahiawa, OahuCanal gauge, Wahiawa Ditch	8.7 cfs	Normal	±0	9 mi

Questions and answers

How does the Kamananui Str at Pupukea Mil Rd, Oahu compare with last year?

It is 0.66 ft higher than on the same day last year, when the reading was 0.37 ft.

What is a normal level for the Kamananui Str at Pupukea Mil Rd, Oahu in mid-October?

The median for mid-October is 0.70 ft. In 8 years out of 10 the reading falls between 0.20 ft and 2.81 ft, based on 11 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Kamananui Str at Pupukea Mil Rd, Oahu today?

On Oct 20, 2026, 04:35 AM HST, the water level was 1.03 ft. Steady over the last 24 hours.

Is Kamananui Str at Pupukea Mil Rd, Oahu rising or falling?

Steady over the last 24 hours. Down 0.12 ft over the last 7 days.

Is the level of Kamananui Str at Pupukea Mil Rd, Oahu normal?

Normal for mid-October. Compared with 11 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:16325000 (Agency page)
Coordinates: 21.62055, -158.01501 (WGS84)
Vertical datum: LMSL
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	1.03 ft	2026-10-20 14:35	Provisional
Flow	7.7 cfs	2026-10-20 14:35	Provisional

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How to cite

U.S. Geological Survey: Kamananui Str at Pupukea Mil Rd, Oahu (usgs:16325000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/hawaii/kamananui-str-at-pupukea-mil-rd-oahu

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer