Puerto Rico Minor Flood Advisory | Effective 09/01/2026 11:01

Headline: 
Flood Advisory issued September 1 at 2:01PM AST until September 1 at 5:00PM AST by NWS San Juan PR
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 1, 2026 - 11:01am
Expires: 
September 1, 2026 - 2:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Aguada County in Puerto Rico... Las Marias County in Puerto Rico... Moca County in Puerto Rico... San Sebastian County in Puerto Rico... * WHEN...Until 500 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 200 PM AST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Area Description: 
Aguada, PR; Las Marias, PR; Moca, PR; San Sebastian, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov