Warning Vector

Special Marine Warning

NWS Key West FL ยท US

Updated

Details

The Special Marine Warning Will Expire At 600 PM EDT

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

Description

The affected areas were... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 fathoms... Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef... The thunderstorm has weakened and no longer poses a significant threat to boaters.

Affected areas

  • Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
  • Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms
  • Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef

Public contact

Issuer
NWS Key West FL

Message record

Received
Issue to receipt
~16s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2V8ABCJRKM5RZG93HNB51N5
Identifier
urn:oid:2.49.0.1.840.0.0f34ef162089c36bca6b9e45a6b6d15b06d81f3a.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.6661
WMO heading
XOUS52
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
52

References

Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMENWS
NationalWeatherServiceMAW

Parameters

NameValue
AWIPSidentifierMWSKEY
WMOidentifierFZUS72 KKEY 182156
NWSheadlineTHE SPECIAL MARINE WARNING WILL EXPIRE AT 600 PM EDT
eventMotionDescription2026-09-18T21:56:00-00:00...storm...061DEG...12KT...24.88,-81.18
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.EXP.KKEY.MA.W.0279.000000T0000Z-260918T2200Z/
eventEndingTime2026-09-18T18:00:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
  • Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms
  • Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef
NameValue
SAME077033
SAME077035
SAME077044
UGCGMZ033
UGCGMZ035
UGCGMZ044
Polygons
24.72,-81.67 24.51,-81.9 24.73,-82.24 24.93,-81.9 24.72,-81.67