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 1h 34m 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 - Sep 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon5:101.54:371.610:140.911:020.56:567:41Full Moon1Mon
2Tue5:361.55:481.611:060.711:480.76:577:40Full Moon2Tue
3Wed6:011.56:591.612:000.66:577:39Waning Gibbous3Wed
4Thu6:231.58:141.512:341.012:580.46:587:38Waning Gibbous4Thu
5Fri6:411.59:401.51:261.21:570.46:587:36Waning Gibbous5Fri
6Sat6:461.511:231.52:321.42:570.36:597:35Third Quarter6Sat
7Sun6:251.54:101.53:560.36:597:34Third Quarter7Sun
8Mon1:261.64:550.37:007:33Third Quarter8Mon
9Tue2:571.65:540.47:007:32Third Quarter9Tue
10Wed3:341.66:510.47:017:30Third Quarter10Wed
11Thu3:481.67:420.47:017:29Waning Crescent11Thu
12Fri3:591.611:56 AM1.49:271.48:250.57:027:28Waning Crescent12Fri
13Sat4:121.61:391.59:251.39:020.67:027:27Waning Crescent13Sat
14Sun4:261.52:511.59:441.29:350.77:037:25Waning Crescent14Sun
15Mon4:411.53:551.510:101.110:050.87:037:24New Moon15Mon
16Tue4:541.54:531.510:380.910:340.97:047:23New Moon16Tue
17Wed5:061.55:501.611:090.811:031.17:047:22New Moon17Wed
18Thu5:161.56:481.611:420.711:341.27:057:21Waxing Crescent18Thu
19Fri5:241.67:511.712:210.57:067:19Waxing Crescent19Fri
20Sat5:311.69:031.712:071.41:060.47:067:18Waxing Crescent20Sat
21Sun5:351.610:281.712:431.51:580.37:077:17Waxing Crescent21Sun
22Mon5:251.711:541.81:241.72:570.37:077:16First Quarter22Mon
23Tue4:251.82:161.74:000.37:087:14First Quarter23Tue
24Wed1:031.85:080.37:087:13First Quarter24Wed
25Thu1:481.86:180.37:097:12First Quarter25Thu
26Fri2:231.811:27 AM1.77:471.67:250.47:097:11Waxing Gibbous26Fri
27Sat2:521.71:201.78:111.48:260.67:107:10Waxing Gibbous27Sat
28Sun3:201.72:461.88:471.29:210.77:107:08Waxing Gibbous28Sun
29Mon3:461.64:001.89:270.910:100.97:117:07Full Moon29Mon
30Tue4:101.65:071.910:080.710:561.17:117:06Full Moon30Tue
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