Tropical Storm Warning Issued for Galveston Bay

Source: NOAA · Galveston Bay

This alert is no longer in effect.

NOAA issued it on July 18, 2026, 5 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 Houston/Galveston TX has issued a Tropical Storm Warning for Galveston Bay effective this afternoon and evening with winds up to 50 knots.

Read this weather record in 30 seconds

Record type
Tropical Storm Warning
Affected area
Galveston Bay
Issued
July 18, 2026
Issuing authority
NWS Houston/Galveston TX

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 5 weeks ago; use the issuing agency's live warning service for current conditions in Galveston Bay.

Alert Details

A Tropical Storm Warning has been issued by NWS Houston/Galveston TX. The alert is effective from 2026-06-17T11:44:00-05:00 and expires at 2026-06-17T23:45:00-05:00. The alert type is Tropical Storm Warning with severity Severe and urgency Immediate.

Affected Areas

Galveston Bay (UGC GMZ335).

What You Should Do

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Expected Conditions

South winds 20 to 30 knots upper bay, and 30 to 40 knots with gusts to 50 knots lower bay. Winds and bay waters will be highest in the southern part of the bay. Winds will subside to 15 to 20 knots late afternoon. Tropical storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

Timeline

The warning is in effect this afternoon and evening, from 2026-06-17T11:44:00-05:00 until 2026-06-17T23:45:00-05:00.

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 Houston/Galveston TX has issued a Tropical Storm Warning for Galveston Bay effective this afternoon and evening with winds up to 50 knots.
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 Galveston Bay. 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.