Rio Guayanilla near Guayanilla, PR
River level and flood forecast · Penuelas County
The river is 7.1 ft below flood stage (12 ft).
Flow: 6 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Rio Guayanilla near Guayanilla to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 20 ft |
| Moderate flood stage | 16 ft |
| Flood stage | 12 ft |
| Action stage | 9 ft |
| Record crest (October 26, 2012) | 22.97 ft |
What floods at each level
From the National Weather Service, highest first.
- 12 ftA secondary road, Calle 3/Calle Elisa, becomes impassable. -erg 05/02/2025
Highest crests on record
- 22.97 ft — October 26, 2012
- 21.89 ft — May 6, 2001
- 21.88 ft — September 22, 1998
- 21.4 ft — September 20, 2017
- 20.4 ft — September 12, 1982
Recent crests: 17.33 ft (September 19, 2022) · 14.38 ft (September 18, 2022) · 21.4 ft (September 20, 2017) · 22.97 ft (October 26, 2012) · 13.95 ft (September 18, 2004)
Up and down the river, and nearby
- Rio Yauco above Diversion Monserrate, PR
- Rio Loco at Las Latas, PR
- Rio Loco near Yauco, PR
- Canal de Riego de Lajas Sabana Grande, PR
- Canal de Riego de Lajas Abv Majinas Filtration Plant, PR
- Canal de Riego de Lajas Blw Majinas Filtration Plant, PR
- Rio Portugues near Tibes, PR
- Rio Portugues at Parque Ceremonial, PR
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GYAP4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.