Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 1m at 6:21 am (1.0 ft)
Next high tide : 11:13 am (1.1 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:20 am
Moon phase : First Quarter (68% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - May 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:201.45:100.58:151.16:377:55Third Quarter1Tue
2Wed1:471.46:130.68:130.96:367:56Waning Crescent2Wed
3Thu1:071.12:101.37:170.68:260.86:357:56Waning Crescent3Thu
4Fri2:271.32:301.38:180.78:470.66:347:57Waning Crescent4Fri
5Sat3:321.42:491.39:140.99:150.36:337:57Waning Crescent5Sat
6Sun4:311.63:081.310:061.09:490.16:337:58New Moon6Sun
7Mon5:271.73:291.310:591.110:28-0.16:327:59New Moon7Mon
8Tue6:211.83:521.411:571.211:13-0.26:317:59New Moon8Tue
9Wed7:171.84:201.41:111.36:308:00Waxing Crescent9Wed
10Thu8:151.84:531.412:03-0.22:371.46:308:01Waxing Crescent10Thu
11Fri9:171.712:59-0.26:298:01Waxing Crescent11Fri
12Sat10:201.72:00-0.16:288:02First Quarter12Sat
13Sun11:191.68:191.23:060.15:581.26:288:02First Quarter13Sun
14Mon12:091.54:140.36:461.06:278:03First Quarter14Mon
15Tue12:511.45:270.57:290.96:268:04First Quarter15Tue
16Wed12:351.21:271.46:450.78:070.76:268:04Waxing Gibbous16Wed
17Thu2:021.31:581.38:040.88:410.56:258:05Waxing Gibbous17Thu
18Fri3:171.32:241.39:141.09:110.36:258:06Waxing Gibbous18Fri
19Sat4:201.42:431.210:161.19:390.26:248:06Waxing Gibbous19Sat
20Sun5:121.52:461.211:141.210:060.16:248:07Full Moon20Sun
21Mon5:571.510:340.16:238:07Full Moon21Mon
22Tue6:381.611:040.06:238:08Full Moon22Tue
23Wed7:181.611:380.06:228:09Full Moon23Wed
24Thu8:011.66:228:09Waning Gibbous24Thu
25Fri8:471.512:150.06:228:10Waning Gibbous25Fri
26Sat9:361.512:550.16:218:10Waning Gibbous26Sat
27Sun10:251.51:390.26:218:11Waning Gibbous27Sun
28Mon11:081.42:250.36:218:11Third Quarter28Mon
29Tue11:421.43:130.46:208:12Third Quarter29Tue
30Wed12:091.44:040.57:160.86:208:13Third Quarter30Wed
31Thu12:301.35:020.67:260.66:208:13Third Quarter31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8771450)

Common Questions About Galveston Pier 21, TX Tides

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What time does the tide turn (slack tide) in Galveston Pier 21, TX today?

Slack tide in Galveston Pier 21, TX is approximately 8:47 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Galveston Pier 21, TX?

Galveston Pier 21, TX is currently in a transitional phase. Tonight's moon is 68% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are shifting between spring and neap.

What datum are Galveston Pier 21, TX tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Galveston Pier 21, TX?

Tide predictions for Galveston Pier 21, TX come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Galveston Pier 21, TX?

Tide data for Galveston Pier 21, TX is sourced from NOAA Station #8771450. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8771450.

What is the moon phase in Galveston Pier 21, TX tonight?

Tonight the moon over Galveston Pier 21, TX is First Quarter (68% illuminated). This places Galveston Pier 21, TX in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA