Special Marine Warning
NWS Tampa Bay Ruskin FL ยท US
New
Details
Special Marine Warning Issued September 20 At 4:48PM EDT Until September 20 At 5:30PM EDT By NWS Tampa Bay Ruskin FL
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
SMWTBW The National Weather Service in Ruskin has issued a * Special Marine Warning for... Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM... * Until 530 PM EDT. * At 448 PM EDT, a strong thunderstorm was located 7 nm east of Suwannee River, moving south at 10 knots.
Hazard
Wind gusts 34 knots or greater.
Source
Radar.
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
Cedar Key.
Instructions
Move to safe harbor until hazardous weather passes.
Affected areas
- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
Public contact
- Issuer
- NWS Tampa Bay Ruskin FL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~59s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3098JEEG99KD6MEG53GP0CQ
- Identifier
- urn:oid:2.49.0.1.840.0.27f18618ae2c90de45bce1f1ab42b4dc65bdb72d.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Tampa Bay Ruskin FL
- AWIPS ID
- CAPTBW
- NWWS sequence
- nwws_processor.4640
- 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 | SMWTBW |
| WMOidentifier | WHUS52 KTBW 202048 |
| eventMotionDescription | 2026-09-20T20:48:00-00:00...storm...017DEG...10KT...29.29,-83.02 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KTBW.MA.W.0204.260920T2048Z-260920T2130Z/ |
| eventEndingTime | 2026-09-20T17:30:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
| Name | Value |
|---|---|
| SAME | 077850 |
| UGC | GMZ850 |
- Polygons
- 29.3,-83.07 29.23,-82.99 29.23,-82.92 29.01,-82.99 29.21,-83.36 29.25,-83.29 29.3,-83.16 29.3,-83.07