Special Marine Warning for Texas Coastal 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This alert is no longer in effect.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 Matagorda Bay and nearby coastal waters in Texas, with wind gusts up to 50 knots and large hail possible until 3:30 PM CDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal Texas Waters
- Issued
- May 12, 2026
- Issuing authority
- NWS Houston/Galveston 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 Texas Waters.
Alert Details
The National Weather Service in Houston/Galveston TX has issued a Special Marine Warning, effective immediately.
Affected Areas
This warning affects Matagorda Bay; Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM; and Coastal waters from High Island to Freeport TX out 20 NM.
What You Should Do
Boaters should seek safe harbor immediately until these storms pass. Frequent lightning is occurring, so if caught on the open water, stay below deck if possible and keep away from ungrounded metal objects.
Expected Conditions
Hazards include wind gusts to nearly 50 knots and large hail. These conditions are based on radar observations.
Timeline
The warning is effective from May 1, 2026, at 3:03 PM CDT and expires on May 1, 2026, at 3:30 PM CDT.
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 (796 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.