Flood Advisory
2026-10-08T18:00:00-04:00

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Aguada County in Puerto Rico... Aguadilla County in Puerto Rico... Isabela County in Puerto Rico... Lares County in Puerto Rico... Moca County in Puerto Rico... San Sebastian County in Puerto Rico... * WHEN...Until 600 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 340 PM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Up to 2.5 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding.

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Puerto Rico

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Flood Advisory
Until 2026-10-08T18:00:00-04:00 • National Weather Service
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Aguada County in Puerto Rico... Aguadilla County in Puerto Rico... Isabela County in Puerto Rico... Lares County in Puerto Rico... Moca County in Puerto Rico... San Sebastian County in Puerto Rico... * WHEN...Until 600 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 340 PM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Up to 2.5 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding.

RIO GUAJATACA AT LARES, PR

Realtime Data • Report • Conditions

1

Discharge (cfs)

8.1

Gauge Height (ft)

USGS 50010500

Streamflow discharge was last observed at 1 cfs, and a gauge height of 8.11 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 2 .

Weather today, Tomorrow,

The river is fed by several tributaries, and its flow is influenced by seasonal trends such as rainfall and snowmelt. There are also several dams in the area that affect the river's flow. The Rio Guajataca is known for its beautiful natural scenery, and it has been the subject of poetry and art throughout history. However, in recent years, the river has faced challenges such as pollution and habitat loss. Despite these challenges, efforts are underway to protect and restore the Rio Guajataca and its surrounding ecosystem.

October 8, 2026

Elevation	943.0 ft
Last Updated
Precipitation, total, in	0.0 in
Gage height, ft	8.11 ft
Streamflow, ft³/s	1.12 ft3/s
Stream water level elevation above Puerto Rico Datum of 2002, feet	934.35 ft
Percent of Normal	11%
Year Over Year Average	10 cfs
24hr Flow Prediction	cfs
Maximum Recorded	306 cfs
Geolocation	18.30, -66.87

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Rio Guajataca At Lares, Pr Realtime Data

RIO GUAJATACA AT LARES, PR

Realtime Data • Report • Conditions

1

Discharge (cfs)

8.1

Gauge Height (ft)

October 8, 2026

Seasonal Comparison

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Rio Guajataca At Lares, Pr Realtime Data

RIO GUAJATACA AT LARES, PR

Realtime Data • Report • Conditions

1

Discharge (cfs)

8.1

Gauge Height (ft)

October 8, 2026

Seasonal Comparison

Oceanic Nino Index

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