NOAA NWS / Event history

Special Marine Warning issued October 19 at 2:54PM AST until October 19 at 4:00PM AST by NWS San Juan PR

Special Marine Warning · Coastal Waters OF Northwestern Puerto Rico out 10 NM; Coastal Waters OF Southwestern Puerto Rico out 10 NM. Severe; likely; urgency: immediate.

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Bulletin issued: 19 October 2026 at 18:54 UTC
First saved by us: 19 October 2026 at 19:02 UTC
Last included in a daily record: 19 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
Source classification: Severe · Source alert

A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.

Issuer / area: NWS San Juan PR · Coastal Waters OF Northwestern Puerto Rico out 10 NM; Coastal Waters OF Southwestern Puerto Rico out 10 NM
Certainty / urgency: Likely / Immediate
Message expiry (not hazard end): 19 October 2026 at 20:00 UTC
Forecast onset / end: 19 October 2026 at 18:54 UTC / 19 October 2026 at 20:00 UTC

Archived official description

SMWSJU The National Weather Service in San Juan has issued a * Special Marine Warning for... Coastal Waters of Northwestern Puerto Rico out 10 NM... Coastal Waters of Southwestern Puerto Rico out 10 NM... * Until 400 PM AST. * At 254 PM AST, A severe thunderstorm capable of producing waterspouts was located across Cabo Rojo coastal waters, moving west at 5 knots. HAZARD...Waterspouts and wind gusts to 40 knots are possible. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves.

Instructions in this archived message

Move to safe harbor until hazardous weather passes. Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with this storm. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

The saved record

What changed

0 updates · 1 first record

Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.

First saved record · 19 October 2026 at 19:02 UTC

Saved by us

19 October 2026 at 19:02 UTC

Starting point

First saved record

Our first saved version of Special Marine Warning issued October 19 at 2:54PM AST until October 19 at 4:00PM AST by NWS San Juan PR. We have no earlier saved version to compare.

Bulletin issued: 19 October 2026 at 18:54 UTC

View saved version 1

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:c9746a6aaceda2554801e460",
  "authorityId": "urn:oid:2.49.0.1.840.0.b4ebbb81315a02caecafbe9ed638a4e3eefefb23.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Special Marine Warning issued October 19 at 2:54PM AST until October 19 at 4:00PM AST by NWS San Juan PR",
  "eventType": "Special Marine Warning",
  "occurredAt": "2026-10-19T18:54:00.000Z",
  "issuedAt": "2026-10-19T18:54:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-19T18:54:00.000Z",
  "onsetAt": "2026-10-19T18:54:00.000Z",
  "expiresAt": "2026-10-19T20:00:00.000Z",
  "forecastEndAt": "2026-10-19T20:00:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Likely",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Coastal Waters OF Northwestern Puerto Rico out 10 NM; Coastal Waters OF Southwestern Puerto Rico out 10 NM",
  "coordinates": null,
  "issuer": "NWS San Juan PR",
  "summary": "Special Marine Warning · Coastal Waters OF Northwestern Puerto Rico out 10 NM; Coastal Waters OF Southwestern Puerto Rico out 10 NM. Severe; likely; urgency: immediate.",
  "description": "SMWSJU\n\nThe National Weather Service in San Juan has issued a\n\n* Special Marine Warning for...\nCoastal Waters of Northwestern Puerto Rico out 10 NM...\nCoastal Waters of Southwestern Puerto Rico out 10 NM...\n\n* Until 400 PM AST.\n\n* At 254 PM AST, A severe thunderstorm capable of producing\nwaterspouts was located across Cabo Rojo coastal waters, moving\nwest at 5 knots.\n\nHAZARD...Waterspouts and wind gusts to 40 knots are possible.\n\nSOURCE...Radar indicated.\n\nIMPACT...Waterspouts can easily overturn boats and create locally\nhazardous seas. Small craft could be damaged in briefly\nhigher winds and suddenly higher waves.",
  "instruction": "Move to safe harbor until hazardous weather passes.\n\nBoaters should seek safe harbor immediately until this storm passes.\nWind gusts 34 knots or greater, high waves, dangerous lightning, and\nheavy rain are possible with this storm.\n\nThunderstorms can produce sudden waterspouts. Waterspouts can easily\noverturn boats and create locally hazardous seas. Seek safe harbor\nimmediately.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b4ebbb81315a02caecafbe9ed638a4e3eefefb23.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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