Flood Warning Issued for Humacao and Naguabo, Puerto Rico
This alert is no longer in effect.
NOAA issued it on April 7, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Flood Warning is in effect for Humacao and Naguabo in Puerto Rico until 6:00 AM AST, due to flooding from excessive rainfall.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Eastern Puerto Rico
- Issued
- April 7, 2026
- Issuing authority
- NWS San Juan PR
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Eastern Puerto Rico.
Alert Details
A Flood Warning has been issued by the National Weather Service (NWS) San Juan PR. It is effective from 3:10 AM AST on April 7, 2026, until 6:00 AM AST on the same day.
Affected Areas
The warning affects specific areas in Puerto Rico, including Humacao and Naguabo.
What You Should Do
Residents should turn around and not drive through flooded roads. Be especially cautious at night when flooding dangers are harder to recognize.
Expected Conditions
Flooding caused by excessive rainfall is expected, with between 1 and 1.5 inches of rain having fallen. This includes flooding of rivers, creeks, streams, and low-lying areas, particularly impacting roads such as PR-191 and PR-31 near the exit toward the highway. Low-water crossings may be inundated and impassable.
Timeline
The alert is effective from 3:10 AM AST on April 7, 2026, and ends at 6:00 AM AST on April 7, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (908 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 7, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.