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NF Kaukonahua Str above RB, near Wahiawa, Oahu water level

River gauge, NF Kaukonahua Str, Hawaii, United States

Directions

Right now

Below flood stage

Water level

1.78ft Down 0.18 ft over the last 24 hours

Flow
4.8 cfs
5 10 Minor floodstage 10.00 ft

History

History
2.02.5ftOct 16Oct 17Oct 18Oct 20Oct 212.02.5ftOct 16Oct 18Oct 21
Water level Minor flood stage

What this means

Water levels are unremarkable at NF Kaukonahua Str above RB, near Wahiawa, Oahu, where the gauge shows 1.78 ft.

It is 8.22 ft below the flood stage of 10.00 ft.

It is still going down, by 0.18 ft over the past 24 hours. The 30-day range is 1.70 ft – 2.71 ft.

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

Judged against the official flood stage for this gauge. How to read levels

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 10.00 ft.

Weather at the gauge

Rain in the last 3 days: 0.34 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 76° 66° 0.19 in, 100% Wind 15 mph
18 Sun 76° 65° 0.39 in, 100% Wind 14 mph
19 Mon 76° 65° 0.19 in, 93% Wind 15 mph
20 Tue 75° 66° 0.06 in, 87% Wind 14 mph
21 Wed 74° 64° 0.20 in, 56% Wind 9 mph
22 Thu 77° 63° 0.04 in, 63% Wind 7 mph
23 Fri 81° 61° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 06:31 AM Sunset 06:03 PM Daylight 11 hr, 33 min Waxing gibbous 76%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Koolau Reservoir near Wahiawa, OahuReservoir, Koolau Reservoir 6.73 ft Very high +0.16 ft 2.3 mi
Ku Tree Reservoir near Wahiawa, OahuReservoir, Ku Tree Reservoir 17.19 ft Low ±0 2.6 mi
SF Kaukonahua Str at E pump, near Wahiawa, OahuRiver gauge, SF Kaukonahua Str 1.76 ft Below flood stage −0.21 ft 3.8 mi
Punaluu Str above Punaluu Ditch Intake, OahuRiver gauge, Punaluu Str 3.95 ft Below flood stage ±0 4.1 mi
Kahana Str at alt 30 ft near Kahana, OahuRiver gauge, Kahana Str 4.60 ft Below flood stage −0.09 ft 4.4 mi
Opaeula Str near Wahiawa, OahuRiver gauge, Opaeula Str 1.93 ft Below flood stage +0.05 ft 4.8 mi
Upper Helemano Reservoir near Wahiawa, OahuReservoir, Upper Helemano Reservoir 42.76 ft Very high −0.08 ft 5.4 mi
Kaluanui Stream near Punaluu, OahuRiver gauge, Kaluanui Stream 3.81 ft Below flood stage ±0 5.4 mi

Questions and answers

What is flood stage for the NF Kaukonahua Str above RB, near Wahiawa, Oahu?

The official flood stage is 10.00 ft. The level is currently 8.22 ft below it.

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 NF Kaukonahua Str above RB, near Wahiawa, Oahu today?

On Oct 20, 2026, 11:15 PM HST, the water level was 1.78 ft. Down 0.18 ft over the last 24 hours.

Is NF Kaukonahua Str above RB, near Wahiawa, Oahu rising or falling?

Down 0.18 ft over the last 24 hours. Up 0.05 ft over the last 7 days.

Is the level of NF Kaukonahua Str above RB, near Wahiawa, Oahu normal?

Below flood stage. Judged against the official flood stage for this gauge.

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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:16200000 (Agency page)
Coordinates
21.51627, -157.94531 (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

ParameterLast valueTime (UTC)Quality
Water level 1.78 ft 2026-10-21 09:15 Provisional
Flow 4.8 cfs 2026-10-21 09:15 Provisional

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How to cite

U.S. Geological Survey: NF Kaukonahua Str above RB, near Wahiawa, Oahu (usgs:16200000). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/hawaii/nf-kaukonahua-str-above-rb-near-wahiawa-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.