Special Marine Warning
NWS Miami FL ยท US
Details
Special Marine Warning Issued September 17 At 6:00PM EDT Until September 17 At 6:30PM EDT By NWS Miami FL
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
SMWMFL The National Weather Service in Miami has issued a * Special Marine Warning for... Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas... * Until 630 PM EDT. * At 600 PM EDT, a strong thunderstorm was located 40 nm east of Triumph Reef. The strong thunderstorm was nearly stationary.
Hazard
Wind gusts 34 knots or greater.
Source
Radar.
Impacts
Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters.
Instructions
Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter.
Affected areas
- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas
Public contact
- Issuer
- NWS Miami FL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m9s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2RP6HV0S4QR9Z9N5HBQR5FA
- Identifier
- urn:oid:2.49.0.1.840.0.e3ebf75163edbe0fbb3982b2d45b811c3bef9c38.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Miami FL
- AWIPS ID
- CAPMFL
- NWWS sequence
- nwws_processor.6442
- 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 | SMWMFL |
| WMOidentifier | WHUS52 KMFL 172200 |
| eventMotionDescription | 2026-09-17T22:00:00-00:00...storm...075DEG...4KT...25.68,-79.4 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KMFL.MA.W.0290.260917T2200Z-260917T2230Z/ |
| eventEndingTime | 2026-09-17T18:30:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas
| Name | Value |
|---|---|
| SAME | 075671 |
| UGC | AMZ671 |
- Polygons
- 25.76,-79.27 25.56,-79.29 25.59,-79.52 25.78,-79.5 25.76,-79.27