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SwedenAlmagosa River near Agat, Guam water level
River gauge, Almagosa River, Guam, United States
Right now
Very high for mid-October
Water level
- Flow
- 64.2 cfs
History
What this means
The Almagosa River near Agat, Guam is well above normal at 2.25 ft.
It has dropped 0.35 ft over the past 24 hours. In the last month it has stayed between 1.88 ft and 3.86 ft.
That stands out in fall, when many rivers are usually near their lowest.
Compared with 5 years of daily readings for this time of year. How to read levels
Flood levels and safety
Most flood deaths in the US happen in vehicles. Six inches of fast water can knock an adult off their feet, and a foot or two can float a car. If a road is covered, turn around.
Readings can change quickly after heavy rain upstream, so check again before heading near the water.
Weather at the gauge
Rain in the last 3 days: 1.57 in. Rain that falls upstream can take hours or days to show up at a river gauge.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Maulap River near Agat, GuamRiver gauge, Maulap River | 9.3 cfs | Normal | −11.7 cfs | 0.6 mi |
| Fena Dam Spillway near Agat, GuamReservoir, Fena Dam Spillway | 0.24 ft | Normal | −0.28 ft | 1.1 mi |
| Ugum River above Talofofo Falls, near Talofofo, GuamRiver gauge, Ugum River | 47.8 cfs | Normal | −68.2 cfs | 3.2 mi |
| La Sa Fua River near Umatac, GuamRiver gauge, La Sa Fua River | 5.4 cfs | Normal | −8.3 cfs | 3.5 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 Almagosa River near Agat, Guam today?
On Oct 20, 2026, 05:05 AM EDT, the water level was 2.25 ft. Down 0.35 ft over the last 24 hours.
Is Almagosa River near Agat, Guam rising or falling?
Down 0.35 ft over the last 24 hours.
Is the level of Almagosa River near Agat, Guam normal?
Very high 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:16848100(Agency page)- Coordinates
13.34672, 144.69550(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 | 2.25 ft | 2026-10-20 09:05 | Provisional |
| Flow | 64.2 cfs | 2026-10-20 09:05 | 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: Almagosa River near Agat, Guam (usgs:16848100). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/guam/almagosa-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