Special Marine Warning
NWS Key West FL ยท US
Details
Special Marine Warning Issued September 16 At 5:43PM EDT Until September 16 At 6:15PM 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 Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Gulf of America including Dry Tortugas and Rebecca Shoal Channel... * Until 615 PM EDT. * At 542 PM EDT, a strong thunderstorm was located 8 nm east of S Tower, moving southwest at 20 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. * The strong thunderstorm will remain over mainly open waters.
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 from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
- 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
- ~17s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2P2S3WMPJ9AWG635S26W8Q2
- Identifier
- urn:oid:2.49.0.1.840.0.ac9009314651adc2d2e5c36f529d8e46b529745e.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.6020
- 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 162143 |
| eventMotionDescription | 2026-09-16T21:42:00-00:00...storm...063DEG...18KT...25.04,-82.2 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KKEY.MA.W.0274.260916T2143Z-260916T2215Z/ |
| eventEndingTime | 2026-09-16T18:15:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
- Gulf of America including Dry Tortugas and Rebecca Shoal Channel
| Name | Value |
|---|---|
| SAME | 077033 |
| SAME | 077034 |
| UGC | GMZ033 |
| UGC | GMZ034 |
- Polygons
- 24.99,-82.08 24.8,-82.37 25.02,-82.5 25.03,-82.32 25.09,-82.35 25.15,-82.17 24.99,-82.08