Special Marine Warning for Texas Coastal Bays and Waters

Source: NOAA · Texas Coastal Waters

This alert is no longer in effect.

NOAA issued it on July 28, 2026, 3 weeks 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.

NWS Corpus Christi has issued a Special Marine Warning for San Antonio, Mesquite, and Espiritu Santo Bays and nearby coastal waters until 4:00 AM CDT.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Texas Coastal Waters
Issued
July 28, 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 weeks ago; use the issuing agency's live warning service for current conditions in Texas Coastal Waters.

Alert Details

Special Marine Warning issued by NWS Corpus Christi TX. Effective from 2:54 AM CDT June 21, 2026 until 4:00 AM CDT June 21, 2026. Alert type code: MA.W.

Affected Areas

San Antonio, Mesquite, and Espiritu Santo Bays; Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM. Locations impacted include Port Oconnor. A severe thunderstorm was located 20 nm southeast of Seadrift.

What You Should Do

Move to safe harbor until hazardous weather passes. Make sure all on board are in a secure location and wearing life jackets.

Expected Conditions

Waterspouts and wind gusts to 40 knots. Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. Waterspouts can quickly form and capsize boats, damage vessels and oil rigs.

Timeline

Alert in effect from 2:54 AM CDT until 4:00 AM CDT on June 21, 2026. Thunderstorm moving north at 10 knots.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Corpus Christi has issued a Special Marine Warning for San Antonio, Mesquite, and Espiritu Santo Bays and nearby coastal waters until 4:00 AM CDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Texas Coastal Waters. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.