Special Marine Warning
NWS Tallahassee FL ยท US
Details
Special Marine Warning Issued September 21 At 4:10AM CDT Until September 21 At 5:45AM 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... Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM... Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM... Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM... * Until 545 AM CDT. * At 409 AM CDT, a cluster of strong thunderstorms were located along a line extending from 6 nm north of Empire Mica Wreck to 48 nm southwest of Port St. Joe, moving northwest 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 Empire Mica Wreck.
Instructions
Move to safe harbor until hazardous weather passes.
Affected areas
- Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM
- Coastal Waters from Mexico Beach to Apalachicola out 20 NM
- Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM
- Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM
Public contact
- Issuer
- NWS Tallahassee 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
- 01M31KNXQKCJC73DF35T6HF7C7
- Identifier
- urn:oid:2.49.0.1.840.0.0a8398fdec4300ba8d7ea922ef5ebc572849de5a.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.5739
- 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 210910 |
| eventMotionDescription | 2026-09-21T09:09:00-00:00...storm...155DEG...6KT...29.42,-85.37 29.24,-85.96 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KTAE.MA.W.0399.260921T0910Z-260921T1045Z/ |
| eventEndingTime | 2026-09-21T05:45:00-05:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM
- Coastal Waters from Mexico Beach to Apalachicola out 20 NM
- Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM
- Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM
| Name | Value |
|---|---|
| SAME | 077751 |
| SAME | 077752 |
| SAME | 077770 |
| SAME | 077772 |
| UGC | GMZ751 |
| UGC | GMZ752 |
| UGC | GMZ770 |
| UGC | GMZ772 |
- Polygons
- 29.78,-85.26 29.41,-86.4 29.01,-85.97 29.28,-85.22 29.78,-85.26