Special Marine Warning
N
Issued by NWS Houston/Galveston TX
⏳ In force until Mon 16 Nov, 01:00 📍 Galveston Bay; Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM; Coastal waters from High Island to … (approximate) 🕑 1 h ago
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... Coastal waters from High Island to Freeport TX out 20 NM... Galveston Bay... * Until 400 PM CST. * At 321 PM CST, a severe thunderstorm capable of producing waterspouts was located near Surfside Jetty, moving east at 20 knots. HAZAR…
🗃 Archived report - it is no longer on the live map. Pages are kept for 30 days.
📡 CAP alert details
Common Alerting Protocol
Official alert linked
▾
📡 CAP alert details
Common Alerting Protocol
⚠
SeveritySevere
⏱
UrgencyImmediate
❓
CertaintyLikely
EventSpecial Marine Warning
Response typeAvoid
CategoryMet
Affected areaGalveston Bay; Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM; Coastal waters from High Island to Freeport TX out 20 NM
Issuing authorityNWS Houston/Galveston TX
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-11-15T15:21:00-06:00
Effective2026-11-15T15:21:00-06:00
Onset2026-11-15T15:21:00-06:00
Expires2026-11-15T16:00:00-06:00
📋 Official instructions
Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.d0f51b275c69767eab3fffabe1282bbbe5c512ec.001.1
Message typeAlert
Senderw-nws.webmaster@noaa.gov
ScopePublic
CAP statusActual
Related messagesNot supplied
ⓘ CAP fields populate when an official alert is linked.
🛡 Safety advice
General guidance for this type of incident - not official instructions.
- Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.
- Stay aware of your surroundings in this area.
- Follow official updates from the police and local authorities.
- In an emergency call 112 (police) or 112 (ambulance), or request help through Jilinde.
📰 Story summary
From the report shown in the feed:
- 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...
- Coastal waters from High Island to Freeport TX out 20 NM...
- Galveston Bay...
- * Until 400 PM CST.
- * At 321 PM CST, a severe thunderstorm capable of producing waterspouts was located near Surfside Jetty, moving east at 20 knots.
- HAZAR…
ⓘ News summary · read the original report for full context.
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