Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 2h 50m at 3:46 am (0.4 ft)
Next high tide : 10:56 am (1.2 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:20 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Aug 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri4:581.51:061.48:401.39:35-0.56:398:11Full Moon1Fri
2Sat5:301.42:341.49:271.210:24-0.46:408:10Full Moon2Sat
3Sun6:011.43:581.410:201.011:12-0.26:408:10Full Moon3Sun
4Mon6:311.35:171.311:210.96:418:09Waning Gibbous4Mon
5Tue7:011.36:371.312:000.112:310.76:418:08Waning Gibbous5Tue
6Wed7:291.38:021.212:500.41:430.56:428:07Waning Gibbous6Wed
7Thu7:561.29:411.11:410.62:510.36:438:06Waning Gibbous7Thu
8Fri8:191.211:341.22:360.93:520.26:438:06Third Quarter8Fri
9Sat8:301.23:411.14:500.16:448:05Third Quarter9Sat
10Sun1:371.37:55 AM1.35:331.25:460.06:448:04Third Quarter10Sun
11Mon3:481.46:400.06:458:03Third Quarter11Mon
12Tue4:451.47:300.06:458:02Waning Crescent12Tue
13Wed5:111.48:150.06:468:01Waning Crescent13Wed
14Thu5:141.48:540.06:478:00Waning Crescent14Thu
15Fri5:201.412:221.310:051.39:280.16:477:59Waning Crescent15Fri
16Sat5:331.41:511.310:111.29:590.16:487:58New Moon16Sat
17Sun5:481.43:051.310:381.110:270.26:487:57New Moon17Sun
18Mon6:051.44:121.211:141.010:540.36:497:56New Moon18Mon
19Tue6:221.35:171.211:550.911:210.56:497:55New Moon19Tue
20Wed6:361.36:241.212:380.86:507:54Waxing Crescent20Wed
21Thu6:481.37:371.21:220.66:507:53Waxing Crescent21Thu
22Fri6:571.39:021.212:200.92:070.56:517:52Waxing Crescent22Fri
23Sat7:021.310:421.312:541.02:530.36:527:51Waxing Crescent23Sat
24Sun7:051.41:321.23:420.26:527:50First Quarter24Sun
25Mon7:021.54:360.16:537:49First Quarter25Mon
26Tue6:421.55:360.06:537:48First Quarter26Tue
27Wed6:481.66:37-0.16:547:47Waxing Gibbous27Wed
28Thu3:151.610:15 AM1.66:491.57:38-0.16:547:46Waxing Gibbous28Thu
29Fri3:471.612:191.67:531.58:350.06:557:44Waxing Gibbous29Fri
30Sat4:161.61:561.68:391.39:270.16:557:43Waxing Gibbous30Sat
31Sun4:431.53:211.69:261.110:160.26:567:42Full Moon31Sun
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 7:21 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 neap phase. Tonight's moon is 48% 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 near their weekly minimum.

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 (48% illuminated). This places Galveston Pier 21, TX in a neap tide cycle, so tidal ranges are near their weekly minimum 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