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Wahiawa Ditch at Wahiawa, Oahu water level

Canal gauge, Wahiawa Ditch, Hawaii, United States

Directions

Normal for mid-October

Water level

7.47ft Steady over the last 24 hours

Flow
9.8 cfs
5 6 8 9

History

7.37.47.57.6ftOct 16Oct 17Oct 18Oct 20Oct 217.37.47.57.6ftOct 16Oct 18Oct 21
Water level

What this means

Wahiawa Ditch at Wahiawa, Oahu is at 7.47 ft, in the normal range for mid-October.

It has barely moved over the past 24 hours. In the last month it has stayed between 7.31 ft and 7.58 ft.

Compared with 5 years of daily readings for this time of year. How to read levels

Weather at the gauge

Rain in the last 3 days: 0.32 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 79° 68° 0.12 in, 93% Wind 13 mph
21 Wed 79° 65° 0.02 in, 57% Wind 11 mph
22 Thu 79° 63° 0.02 in, 55% Wind 7 mph
23 Fri 80° 63° – Wind 8 mph
24 Sat 81° 64° – Wind 7 mph
25 Sun 75° 65° 0.05 in, 47% Wind 7 mph
26 Mon 82° 64° 0.06 in, 30% Wind 5 mph

Forecast: Open-Meteo

Sunrise 06:31 AM Sunset 06:04 PM Daylight 11 hr, 33 min Waxing gibbous 75%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Kaukonahua Stream below Wahiawa Reservoir, OahuRiver gauge, Kaukonahua Stream 52.2 cfs Normal +19.8 cfs 0.0 mi
Wahiawa Reservoir at Spillway at Wahiawa, OahuReservoir, Wahiawa Reservoir 55.73 ft Very low +0.54 ft 0.3 mi
Upper Helemano Reservoir near Wahiawa, OahuReservoir, Upper Helemano Reservoir 42.77 ft Very high −0.08 ft 2.3 mi
SF Kaukonahua Str at E pump, near Wahiawa, OahuRiver gauge, SF Kaukonahua Str 1.78 ft Below flood stage −0.14 ft 3.6 mi
Helemano 6 Reservoir, OahuReservoir 22.37 ft Low −0.49 ft 3.7 mi
Ku Tree Reservoir near Wahiawa, OahuReservoir, Ku Tree Reservoir 17.19 ft Low ±0 4.5 mi
Kemoo 5 Reservoir, OahuReservoir 14.67 ft Normal +0.04 ft 5.1 mi
Koolau Reservoir near Wahiawa, OahuReservoir, Koolau Reservoir 6.72 ft Very high +0.19 ft 5.2 mi

Questions and answers

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 Wahiawa Ditch at Wahiawa, Oahu today?

On Oct 20, 2026, 08:50 PM HST, the water level was 7.47 ft. Steady over the last 24 hours.

Is Wahiawa Ditch at Wahiawa, Oahu rising or falling?

Steady over the last 24 hours.

Is the level of Wahiawa Ditch at Wahiawa, Oahu normal?

Normal for mid-October. Compared with 5 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.

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:16210100 (Agency page)
Coordinates
21.50055, -158.05103 (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 7.47 ft 2026-10-21 06:50 Provisional
Flow 9.8 cfs 2026-10-21 06:50 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: Wahiawa Ditch at Wahiawa, Oahu (usgs:16210100). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/hawaii/wahiawa-ditch-at-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.

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