Warning Vector

Marine Weather Statement

NWS San Juan PR ยท US

New

Details

Thunderstorms Over The Northwestern Atlantic And Coastal Waters

Event
Marine Weather Statement
Issued
Onset
Message expires
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Observed
Response
Monitor

Description

The areas affected include... Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N... Coastal Waters of Northern Puerto Rico out 10 NM... * At 231 PM AST, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and possible waterspouts. This strong thunderstorm was located over open waters of Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Coastal Waters of Northern Puerto Rico out 10 NM zones, moving northwest at 15 knots. Locations impacted include... Mainly open waters of Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Coastal Waters of Northern Puerto Rico out 10 NM.

Instructions

Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office. Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes.

Affected areas

  • Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N
  • Coastal Waters of Northern Puerto Rico out 10 NM

Public contact

Issuer
NWS San Juan PR

Message record

Received
Issue to receipt
~45s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2RA74SH2VRZS0VVKSS0TS2Y
Identifier
urn:oid:2.49.0.1.840.0.f5aff3d3d0fd5696f54853397d5d97925cb1b52b.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS San Juan PR
AWIPS ID
CAPSJU
NWWS sequence
nwws_processor.947
WMO heading
XOCA52
WMO data type
CAP alert message XML (XO)
WMO geography
Caribbean and Central America (CA)
WMO bulletin number
52

Event codes

NameValue
SAMENWS
NationalWeatherServiceMWS

Parameters

NameValue
AWIPSidentifierMWSSJU
WMOidentifierFZCA72 TJSJ 171831
NWSheadlineTHUNDERSTORMS OVER THE NORTHWESTERN ATLANTIC AND COASTAL WATERS
eventMotionDescription2026-09-17T18:29:00-00:00...storm...132DEG...33KT...18.83,-67.16
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
BLOCKCHANNELCMAS
Locations

Location data

  • Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N
  • Coastal Waters of Northern Puerto Rico out 10 NM
NameValue
SAME075711
SAME075712
UGCAMZ711
UGCAMZ712
Polygons
18.51,-68.0 19.5,-68.0 19.5,-66.8 18.49,-66.65 18.5,-66.99 18.52,-67.09 18.5,-67.15 18.51,-68.0