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Maulap River near Agat, Guam water level

River gauge, Maulap River, Guam, United States

Directions

Normal for mid-October

Water level

1.35ft Down 0.88 ft over the last 24 hours

Flow
10.4 cfs
0 1 3 4

History

1.52.0ftOct 16Oct 17Oct 18Oct 19Oct 201.52.0ftOct 16Oct 18Oct 20
Water level

What this means

The gauge at Maulap River near Agat, Guam reads 1.35 ft, a normal level for mid-October.

The level is falling, down 0.88 ft over the past 24 hours. Over the past 30 days it has moved between 1.27 ft and 2.36 ft.

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

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

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: 3.65 in. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 85° 77° 0.88 in, 100% Wind 25 mph
20 Tue 89° 79° 0.01 in, 41% Wind 14 mph
21 Wed 91° 79° 0.03 in, 38% Wind 13 mph
22 Thu 90° 78° 0.30 in, 70% Wind 14 mph
23 Fri 87° 75° 0.15 in, 61% Wind 13 mph
24 Sat 89° 79° 0.15 in, 66% Wind 12 mph
25 Sun 88° 77° 0.47 in, 63% Wind 11 mph

Forecast: Open-Meteo

Sunrise 04:13 PM Sunset 04:01 AM Daylight 11 hr, 48 min First quarter 64%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Fena Dam Spillway near Agat, GuamReservoir, Fena Dam Spillway 0.28 ft Normal −0.55 ft 0.6 mi
Almagosa River near Agat, GuamRiver gauge, Almagosa River 71.2 cfs Very high −110.8 cfs 0.6 mi
Ugum River above Talofofo Falls, near Talofofo, GuamRiver gauge, Ugum River 54.9 cfs Normal −225.1 cfs 3.4 mi
La Sa Fua River near Umatac, GuamRiver gauge, La Sa Fua River 6.8 cfs Normal −46.7 cfs 4.0 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 Maulap River near Agat, Guam today?

On Oct 19, 2026, 09:05 PM EDT, the water level was 1.35 ft. Down 0.88 ft over the last 24 hours.

Is Maulap River near Agat, Guam rising or falling?

Down 0.88 ft over the last 24 hours.

Is the level of Maulap River near Agat, Guam 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:16848500 (Agency page)
Coordinates
13.35544, 144.69794 (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 1.35 ft 2026-10-20 01:05 Provisional
Flow 10.4 cfs 2026-10-20 01:05 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: Maulap River near Agat, Guam (usgs:16848500). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/guam/maulap-river-near-agat-guam

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