Special Marine Warning
NWS Key West FL ยท US
Updated
Details
The Special Marine Warning Will Expire At 1230 AM 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... Straits of Florida from Halfmoon Shoal to 20 nm west of Dry Tortugas out 60 nm... The thunderstorm has weakened and no longer poses a significant threat to boaters.
Affected areas
- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out
Public contact
- Issuer
- NWS Key West FL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~49s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2SBZJTMC5BYSA4MCCHFEBJK
- Identifier
- urn:oid:2.49.0.1.840.0.5e48726e2f30619eed3e1e524fd83b7683af69bc.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.6082
- 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
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | MAW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWSKEY |
| WMOidentifier | FZUS72 KKEY 180421 |
| NWSheadline | THE SPECIAL MARINE WARNING WILL EXPIRE AT 1230 AM EDT |
| eventMotionDescription | 2026-09-18T04:21:00-00:00...storm...115DEG...10KT...23.9,-83.08 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.EXP.KKEY.MA.W.0276.000000T0000Z-260918T0430Z/ |
| eventEndingTime | 2026-09-18T00:30:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out
| Name | Value |
|---|---|
| SAME | 077075 |
| UGC | GMZ075 |
- Polygons
- 24.09,-83.14 23.94,-82.9 23.77,-83.02 23.83,-83.24 23.9,-83.25 24.09,-83.14