Special Marine Warning
NWS Houston/Galveston TX ยท US
Details
Special Marine Warning Issued November 10 At 10:13AM CST Until November 10 At 11:00AM CST By NWS Houston/Galveston TX
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
SMWHGX The National Weather Service in League City has issued a * Special Marine Warning for... Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM... Matagorda Bay... Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM... * Until 1100 AM CST. * At 1012 AM CST, strong to severe thunderstorms were located along a line extending from Matagorda Jetty to near Brazos A70, moving east at 40 knots.
Hazard
Wind gusts 34 knots or greater and large hail.
Source
Radar.
Impacts
Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage.
Locations impacted
Brazos 400, Brazos A26, Tabs Buoy W, Brazos 548, Brazos 439, Brazos A70, Brazos 490, Brazos B133, Brazos A85, and Matagorda Jetty.
Instructions
Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.
Affected areas
- Matagorda Bay
- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM
- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM
Public contact
- Issuer
- NWS Houston/Galveston TX
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~44s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M733S7YY36NJQ0XHR759ZAB7
- Identifier
- urn:oid:2.49.0.1.840.0.418b80288e8e9fcb6de9bb45a42f7486cc1eb4a4.001.1
- Sender
- [email protected]
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Houston/Galveston TX
- AWIPS ID
- CAPHGX
- NWWS sequence
- nwws_processor.6092
- WMO heading
- XOUS54
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 54
Event codes
| Name | Value |
|---|---|
| SAME | SMW |
| NationalWeatherService | MAW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SMWHGX |
| WMOidentifier | WHUS54 KHGX 101613 |
| eventMotionDescription | 2026-11-10T16:12:00-00:00...storm...262DEG...42KT...28.56,-95.97 28.01,-95.96 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KHGX.MA.W.0084.261110T1613Z-261110T1700Z/ |
| eventEndingTime | 2026-11-10T11:00:00-06:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Matagorda Bay
- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM
- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM
| Name | Value |
|---|---|
| SAME | 077330 |
| SAME | 077350 |
| SAME | 077370 |
| UGC | GMZ330 |
| UGC | GMZ350 |
| UGC | GMZ370 |
- Polygons
- 27.97,-95.9 28.1,-96.04 28.56,-96.13 28.75,-95.49 27.94,-95.44 27.97,-95.9