Puerto Rico Flood Warning | Effective 04/18/2026 06:41

Headline: 
Flood Warning issued April 18 at 9:41AM AST until April 18 at 12:00PM AST by NWS San Juan PR
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 18, 2026 - 6:41am
Expires: 
April 18, 2026 - 9:00am
Description: 
* WHAT...Flooding caused by floodwater from Rio CUuebrinas. * WHERE...Aguada and Aguadilla. * WHEN...Until noon AST. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. Expect many areas of slow moving or standing water. It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS... - At 939 AM AST, emergency management reported ongoing flooding across the warned area. Road closures continue, including portions of PR-115, PR-418, and PR-4439, all in the vicinity of Rio Culebrinas.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Stay away or be swept away. River banks and culverts can become unstable and unsafe. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Aguada, PR; Aguadilla, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov