Special Marine Warning for Coastal Waters near Port Mansfield TX

Source: NOAA · Coastal waters near Port Mansfield, Texas

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NWS Brownsville TX issued a Special Marine Warning for coastal waters from Baffin Bay to Port Mansfield until noon CDT due to a strong thunderstorm with wind gusts 34 knots or greater.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on June 5, 2026 and geographically references Coastal waters near Port Mansfield, Texas. 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 regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

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

Special Marine Warning issued by NWS Brownsville TX. Effective from 2026-05-23T11:10:00-05:00 until 2026-05-23T12:00:00-05:00.

Affected Areas

Laguna Madre From 5 nm North Of Port Mansfield To Baffin Bay TX; Coastal waters from Baffin Bay to Port Mansfield TX out 20 NM.

What You Should Do

Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Expected Conditions

At 1110 AM CDT, a strong thunderstorm was located 20 nm north of Port Mansfield, moving northeast at 20 knots. Hazard: Wind gusts 34 knots or greater. Small craft could be damaged in briefly higher winds and suddenly higher waves.

Timeline

Alert effective immediately on 2026-05-23T11:10:00-05:00 and expires 2026-05-23T12:00:00-05:00.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Brownsville TX issued a Special Marine Warning for coastal waters from Baffin Bay to Port Mansfield until noon CDT due to a strong thunderstorm with wind gusts 34 knots or greater.
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 Coastal waters near Port Mansfield, Texas. 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.