Weather Alert: Flood Watch

NWS San Juan PR

San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Central Interior; Ponce and Vicinity; Northwest; Western Interior; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas...St. John.. and Adjacent Islands; St Croix

Severe

Future

Possible

Prepare

Apr 12, 2026, 9:42 AM AST

Apr 13, 2026, 10:00 AM AST

Apr 15, 2026, 8:00 AM AST

Official NWS bulletin Weather.gov office

Official details

What

Flooding caused by excessive rainfall continues to be possible.

Where

All of Puerto Rico and the U.S. Virgin Islands.

When

From Monday morning through Wednesday morning.

Impacts

Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Rapid river rises and landslides in areas of steep terrain.

Additional details

- As a trough continues to approach from the northwest, the likelihood of flooding will increase. Showers and thunderstorms will increase in frequency starting Monday, but the heaviest activity is anticipated forMonday night into Tuesday. Based on the latest guidance and the atmospheric set-up, the confidence is increasing though the exact placement remains uncertain. - http://www.weather.gov/safety/flood

Safety instructions

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.