Warning Vector

Special Marine Warning

NWS Miami FL ยท US

New

Details

Special Marine Warning Issued September 15 At 4:35PM EDT Until September 15 At 5:00PM EDT By NWS Miami FL

Event
Special Marine Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

SMWMFL The National Weather Service in Miami has issued a * Special Marine Warning for... Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM... Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM... * Until 500 PM EDT. * At 434 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Chokoloskee, moving west at 10 knots.

Hazard

Waterspouts and wind gusts 34 knots or greater.

Source

Radar.

Impacts

Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves.

Locations impacted

Chevelier Bay and Chokoloskee.

Instructions

Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter.

Affected areas

  • Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM
  • Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM

Public contact

Issuer
NWS Miami FL

Message record

Received
Issue to receipt
~19s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2KCFZ1Z7DBSN6JZ2ZR5E3M3
Identifier
urn:oid:2.49.0.1.840.0.4d843605613ff4ff665e486c248f114353e26a07.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Miami FL
AWIPS ID
CAPMFL
NWWS sequence
nwws_processor.4109
WMO heading
XOUS52
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
52

Event codes

NameValue
SAMESMW
NationalWeatherServiceMAW

Parameters

NameValue
AWIPSidentifierSMWMFL
WMOidentifierWHUS52 KMFL 152035
eventMotionDescription2026-09-15T20:34:00-00:00...storm...071DEG...12KT...25.78,-81.33
waterspoutDetectionPOSSIBLE
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KMFL.MA.W.0284.260915T2035Z-260915T2100Z/
eventEndingTime2026-09-15T17:00:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM
  • Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM
NameValue
SAME077656
SAME077657
UGCGMZ656
UGCGMZ657
Polygons
25.68,-81.44 25.77,-81.48 25.88,-81.43 25.82,-81.24 25.81,-81.23 25.74,-81.21 25.67,-81.29 25.68,-81.44