Warning Vector

Special Marine Warning

NWS Tampa Bay Ruskin FL ยท US

New

Details

Special Marine Warning Issued September 18 At 5:19PM EDT Until September 18 At 5:45PM 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... Tampa Bay waters... * Until 545 PM EDT. * At 519 PM EDT, a strong thunderstorm was located over Gandy Bridge, moving southwest at 15 knots.

Hazard

Wind gusts to 40 knots.

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

Port Manatee Reef, Tampa Bay, Cockroach Bay, and Gandy Bridge.

Instructions

Move to safe harbor immediately as gusty winds and high waves are expected.

Affected areas

  • Tampa Bay waters

Public contact

Issuer
NWS Tampa Bay Ruskin FL

Message record

Received
Issue to receipt
~25s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2V66W0MAVZSAFMG85GN8TYK
Identifier
urn:oid:2.49.0.1.840.0.490ef1b4102ecf8134e206194ce4387827fc79c7.001.1
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.5655
WMO heading
XOUS52
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
52

Event codes

NameValue
SAMESMW
NationalWeatherServiceMAW

Parameters

NameValue
AWIPSidentifierSMWTBW
WMOidentifierWHUS52 KTBW 182119
eventMotionDescription2026-09-18T21:19:00-00:00...storm...056DEG...15KT...27.84,-82.55
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KTBW.MA.W.0197.260918T2119Z-260918T2145Z/
eventEndingTime2026-09-18T17:45:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Tampa Bay waters
NameValue
SAME077830
UGCGMZ830
Polygons
27.61,-82.61 27.84,-82.75 27.85,-82.7 27.81,-82.7 27.79,-82.69 27.83,-82.68 27.85,-82.69 27.86,-82.67 27.9,-82.52 27.8,-82.39 27.61,-82.61