Special Marine Warning
NWS Key West FL ยท US
Details
Special Marine Warning Issued September 18 At 7:42PM EDT Until September 18 At 8:15PM 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 815 PM EDT. * At 742 PM EDT, a strong thunderstorm was located 9 nm northeast of Pulaski Shoal Light, moving west at 15 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... Pulaski Shoal Light.
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. Intense and continuous lightning is occurring with this storm. Stay low, or go below. Lower VHF antenna, outriggers, fishing rods, and umbrellas.
Affected areas
- Gulf of America including Dry Tortugas and Rebecca Shoal Channel
Public contact
- Issuer
- NWS Key West FL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m9s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2VEE1DAKHA2J5QX1P7S09ZG
- Identifier
- urn:oid:2.49.0.1.840.0.387e406c54530a6f2661821d090743b80056f02b.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.9611
- WMO heading
- XOUS52
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 52
Event codes
| Name | Value |
|---|---|
| SAME | SMW |
| NationalWeatherService | MAW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SMWKEY |
| WMOidentifier | WHUS52 KKEY 182342 |
| eventMotionDescription | 2026-09-18T23:42:00-00:00...storm...068DEG...15KT...24.78,-82.64 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KKEY.MA.W.0284.260918T2342Z-260919T0015Z/ |
| eventEndingTime | 2026-09-18T20:15:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Gulf of America including Dry Tortugas and Rebecca Shoal Channel
| Name | Value |
|---|---|
| SAME | 077034 |
| UGC | GMZ034 |
- Polygons
- 24.92,-82.6 24.72,-82.52 24.65,-82.76 24.88,-82.84 24.92,-82.6