Flood Warning Issued for Aguada, Aguadilla and Moca, PR

Source: NOAA · Western Puerto Rico

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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 until 2:15 AM AST Saturday for communities along the Rio Culebrinas basin in Aguada, Aguadilla and Moca, Puerto Rico.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on May 23, 2026 and geographically references Western Puerto Rico. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flood Warning, Puerto Rico) map to related alerts in the same area of risk - browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

Flood Warning issued by NWS San Juan PR. Effective from May 15 at 11:14 PM AST until May 16 at 2:15 AM AST.

Affected Areas

Aguada, PR; Aguadilla, PR; Moca, PR. Communities along the Rio Culebrinas basin.

What You Should Do

Turn around, don't drown when encountering flooded roads. Be especially cautious at night when it is harder to recognize the dangers of flooding. Report observed flooding to local emergency services or law enforcement.

Expected Conditions

Flooding caused by excess runoff is expected. 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. At 11:06 PM AST, USGS river gauge reports indicated that Rio Culebrinas at Margarita Damsite (MODP4) is at minor flood stage at 16.62 ft (minor flood stage is between 16.50 to 18.00 ft).

Timeline

Alert effective May 15 at 11:14 PM AST until May 16 at 2:15 AM AST.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Flood Warning is in effect until 2:15 AM AST Saturday for communities along the Rio Culebrinas basin in Aguada, Aguadilla and Moca, Puerto Rico.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Western Puerto Rico. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.