Flood Advisory — Mayaguez County, Puerto Rico
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 9 at 2:56PM AST until August 9 at 5:00PM AST by NWS San Juan PR
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Mayaguez in Puerto Rico... * WHEN...Until 500 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 255 PM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 2 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.
Effective August 9, 2026 at 2:56 PM ET · Expires August 9, 2026 at 5:00 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS San Juan PR
Expires
August 9, 2026 at 5:00 PM ET
Last Checked
1 hour ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Other Active Alerts in Puerto Rico
Flash Flood Warning
Get Flood Advisory Alerts for Mayaguez County
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Frequently Asked Questions
What does a Flood Advisory mean for Mayaguez County, Puerto Rico?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (1 hour ago). It's set to expire August 9, 2026 at 5:00 PM ET.
How do I get notified about Flood Advisory alerts for Mayaguez County?
Download StormCast free on Google Play and set Mayaguez County, Puerto Rico as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.