Special Marine Warning for South Texas Coastal Waters Until 9:45 AM CDT
If you are in immediate danger, call emergency services now.
For real-time, official alerts and instructions for your exact location, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia) as applicable. This article is a data summary, not a substitute for the issuing agency's live warning.
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Brownsville TX issued a Special Marine Warning for waterspouts and wind gusts over 50 knots affecting Laguna Madre and coastal waters from Port of Brownsville to Baffin Bay.
What this NWS weather alert tells you, and what most readers miss
This notice was issued by NOAA on June 11, 2026 and geographically references South Texas Coastal Waters. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.
For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Special Marine Warning, Texas) map to related alerts in the same area of risk - browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.
Alert Details
A Special Marine Warning was issued by the National Weather Service in Brownsville TX at 8:41 AM CDT on May 27, 2026. The alert is effective immediately and expires at 9:45 AM CDT.
Affected Areas
The warning covers:
- Laguna Madre From the Port Of Brownsville to the Arroyo Colorado
- Laguna Madre From The Arroyo Colorado To 5 NM North Of Port Mansfield TX
- Laguna Madre From 5 nm North Of Port Mansfield To Baffin Bay TX
- Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM
- Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM
- Waters from Port Mansfield TX to the Rio Grande River from 20 to 60 NM
- Waters from Baffin Bay to Port Mansfield TX from 20 to 60 NM
What You Should Do
Move to safe harbor until hazardous weather passes. Move to safe harbor immediately as gusty winds and high waves are expected. Seek safe harbor immediately. If caught on the open water stay below deck if possible and keep away from ungrounded metal objects.
Expected Conditions
A severe thunderstorm capable of producing waterspouts was located 10 nm east of Laguna Madre, moving northeast at 50 knots. Hazards include waterspouts and wind gusts in excess of 50 knots.
Timeline
The alert is in effect from 8:41 AM CDT until 9:45 AM CDT on May 27, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.