Warning Vector

Special Marine Warning

NWS Lake Charles LA ยท US

New

Details

Special Marine Warning Issued September 22 At 5:16PM CDT Until September 22 At 6:15PM CDT By NWS Lake Charles LA

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

Description

Overview

SMWLCH The National Weather Service in Lake Charles has issued a * Special Marine Warning for... Atchafalaya and East Cote Blanche Bays... Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM... Vermilion and West Cote Blanche Bays... * Until 615 PM CDT. * At 516 PM CDT, a strong thunderstorm was located 9 nm southeast of West Cote Blanche Bay, moving southwest at 15 knots.

Hazard

Wind gusts to 40 knots.

Source

Radar.

Impacts

Small craft could be damaged in briefly higher winds and suddenly higher waves.

Locations impacted

South Marsh Island 217, South Marsh Island 239, Eugene Island 24, Eugene Island 28, Eugene Island 30, Eugene Island 74, Eugene Island 32, Eugene Island 42, and Eugene Island 53.

Instructions

Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Affected areas

  • Vermilion and West Cote Blanche Bays
  • Atchafalaya and East Cote Blanche Bays
  • Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM

Public contact

Issuer
NWS Lake Charles LA

Message record

Received
Issue to receipt
~48s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M35K2SSSA6S0VSVFTP0F28YM
Identifier
urn:oid:2.49.0.1.840.0.afb3e1ddfaacf6f597329c4ef078ce600cfc79cc.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Lake Charles LA
AWIPS ID
CAPLCH
NWWS sequence
nwws_processor.7229
WMO heading
XOUS54
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
54

Event codes

NameValue
SAMESMW
NationalWeatherServiceMAW

Parameters

NameValue
AWIPSidentifierSMWLCH
WMOidentifierWHUS54 KLCH 222216
eventMotionDescription2026-09-22T22:16:00-00:00...storm...042DEG...13KT...29.52,-91.66
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KLCH.MA.W.0086.260922T2216Z-260922T2315Z/
eventEndingTime2026-09-22T18:15:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • Vermilion and West Cote Blanche Bays
  • Atchafalaya and East Cote Blanche Bays
  • Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM
NameValue
SAME077435
SAME077436
SAME077455
UGCGMZ435
UGCGMZ436
UGCGMZ455
Polygons
29.12,-91.65 29.48,-92.12 29.58,-91.95 29.51,-91.84 29.54,-91.78 29.54,-91.83 29.58,-91.84 29.61,-91.89 29.67,-91.78 29.48,-91.44 29.12,-91.65