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Wailuku River at Piihonoua — water level right now

Hawaii County, Hawaii · NWS gauge WLUH1
Loading the latest reading…
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current stage (ft)
 
20
minor flood stage
 
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

minor · 20
major · 24.4
Flood stageLevel (ft)What it means
Major flood stage24.4extensive inundation and significant evacuations — a serious event
Minor flood stage20low-lying roads and fields near the river start to flood

Highest floods on record here

The National Weather Service has no historic crest list on file for this gauge.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Honolii Stream near Papaikou 4 mi away · loading… Paauau Gulch near Pahala 41 mi away · loading… Kawainui Stream near Kamuela 43 mi away · loading… Waiaha Stream near Holualoa 52 mi away · loading… Oheo Gulch at Oheo Gulch 88 mi away · loading… Hanawi Stream near Ke anae 98 mi away · loading…

Gauge details

NWS gauge IDWLUH1
USGS site16704000
CountyHawaii
StateHawaii
NWS forecast officeHonolulu
River forecast centerAlaska Pacific River Forecast Center
Coordinates19.712, -155.151
Time zoneHST10
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Wailuku River at Piihonoua

Is Wailuku River at Piihonoua flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 20 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Wailuku River at Piihonoua?

major flood stage 24.4 ft, minor flood stage 20 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Honolulu and local emergency management.