Special Marine Warning
NWS Tallahassee FL ยท US
New
Details
Special Marine Warning Issued September 21 At 3:29PM CDT Until September 21 At 4:30PM CDT By NWS Tallahassee FL
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
SMWTAE The National Weather Service in Tallahassee has issued a * Special Marine Warning for... Coastal Waters from Mexico Beach to Apalachicola out 20 NM... * Until 430 PM CDT. * At 329 PM CDT, a strong thunderstorm was located over Port St. Joe, moving west at 5 knots.
Hazard
Wind gusts 34 knots or greater.
Source
Radar indicated.
Impacts
Expect wind gusts in excess of 34 knots...suddenly higher waves...frequent lightning...and heavy downpours. Make sure all on board are wearing life jackets.
Locations impacted
Cape San Blas and Port St. Joe.
Instructions
Move to safe harbor until hazardous weather passes.
Affected areas
- Coastal Waters from Mexico Beach to Apalachicola out 20 NM
Public contact
- Issuer
- NWS Tallahassee FL
- Website
- http://www.weather.gov
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
- 01M32TJ5V9C4SNW2KNRX15VRW6
- Identifier
- urn:oid:2.49.0.1.840.0.0ddf5ad978a324500c2a961b8ca3762cd94ac8e6.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Tallahassee FL
- AWIPS ID
- CAPTAE
- NWWS sequence
- nwws_processor.4349
- 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 | SMWTAE |
| WMOidentifier | WHUS52 KTAE 212029 |
| eventMotionDescription | 2026-09-21T20:29:00-00:00...storm...070DEG...6KT...29.8,-85.31 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KTAE.MA.W.0400.260921T2029Z-260921T2130Z/ |
| eventEndingTime | 2026-09-21T16:30:00-05:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Coastal Waters from Mexico Beach to Apalachicola out 20 NM
| Name | Value |
|---|---|
| SAME | 077752 |
| UGC | GMZ752 |
- Polygons
- 29.82,-85.26 29.78,-85.25 29.75,-85.25 29.74,-85.26 29.74,-85.25 29.73,-85.25 29.65,-85.28 29.59,-85.44 29.76,-85.47 29.92,-85.39 29.93,-85.39 29.93,-85.35 29.82,-85.26