Warning Vector

Special Marine Warning

NWS Key West FL ยท US

New
This event was updated at .

Details

Special Marine Warning Issued September 18 At 10:08AM EDT Until September 18 At 11:00AM EDT By NWS Key West FL

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

Description

Overview

SMWKEY The National Weather Service in Key West has issued a * Special Marine Warning for... Gulf of America including Dry Tortugas and Rebecca Shoal Channel... * Until 1100 AM EDT. * At 1008 AM EDT, a strong thunderstorm was located over Dry Tortugas, moving north at 10 knots.

Hazard

Wind gusts 34 knots or greater.

Source

National Weather Service Meteorologist.

Impacts

Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Locations in the warning include... Fort Jefferson, Dry Tortugas, Pulaski Shoal Light, Dry Tortugas Light, and Tortugas Ecological Reserve North.

Instructions

Prepare for wind gusts in excess of 34 knots, steep and fast-building seas, frequent lightning, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets.

Affected areas

  • Gulf of America including Dry Tortugas and Rebecca Shoal Channel

Public contact

Issuer
NWS Key West FL

Message record

Received
Issue to receipt
~47s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2TDJBSPCN28E95K350N5958
Identifier
urn:oid:2.49.0.1.840.0.d2f8aa827ab6b0860108005f6f8c9d990369ff42.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Key West FL
AWIPS ID
CAPKEY
NWWS sequence
nwws_processor.2923
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
AWIPSidentifierSMWKEY
WMOidentifierWHUS52 KKEY 181408
eventMotionDescription2026-09-18T14:08:00-00:00...storm...189DEG...10KT...24.69,-82.88
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KKEY.MA.W.0277.260918T1408Z-260918T1500Z/
eventEndingTime2026-09-18T11:00:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Gulf of America including Dry Tortugas and Rebecca Shoal Channel
NameValue
SAME077034
UGCGMZ034
Polygons
24.9,-83.11 24.86,-82.64 24.61,-82.82 24.61,-82.87 24.63,-82.99 24.9,-83.11