Special Marine Warning for Coastal Texas Waters
This alert is no longer in effect.
NOAA issued it on May 12, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Special Marine Warning has been issued for coastal waters from Port Aransas to Matagorda Ship Channel and bays, with severe thunderstorms bringing wind gusts over 34 knots and large hail until 3:30 PM CDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal waters from Port Aransas to Matagorda Ship Channel and bays in Texas
- Issued
- May 12, 2026
- Issuing authority
- NWS Corpus Christi TX
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Coastal waters from Port Aransas to Matagorda Ship Channel and bays in Texas.
Special Marine Warning in Coastal Texas
Alert Details
A Special Marine Warning has been issued by the National Weather Service (NWS) Corpus Christi TX. It is effective from 2:30 PM CDT on May 1, 2026.
Affected Areas
The warning affects Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM, as well as San Antonio, Mesquite, and Espiritu Santo Bays. Specific locations impacted include Seadrift and Port O'Connor.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
Severe thunderstorms with wind gusts 34 knots or greater and large hail are expected.
Timeline
The alert is effective from 2:30 PM CDT on May 1, 2026, and expires at 3:30 PM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (736 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 12, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.