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 6h 57m at 7:09 pm (0.0 ft)
Next high tide (tomorrow) : 4:08 am (1.3 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 - Sep 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:101.63:361.610:021.210:320.26:567:41New Moon1Sat
2Sun5:411.54:451.610:451.011:170.46:577:40New Moon2Sun
3Mon6:111.55:521.511:340.96:577:39New Moon3Mon
4Tue6:391.56:591.512:000.612:270.86:587:38Waxing Crescent4Tue
5Wed7:041.48:111.512:440.91:240.66:587:36Waxing Crescent5Wed
6Thu7:231.49:361.41:301.12:210.66:597:35Waxing Crescent6Thu
7Fri7:261.411:141.52:261.33:160.56:597:34First Quarter7Fri
8Sat6:531.43:541.44:100.57:007:33First Quarter8Sat
9Sun12:531.55:040.47:007:32First Quarter9Sun
10Mon2:111.65:580.47:017:30First Quarter10Mon
11Tue2:591.66:520.47:017:29Waxing Gibbous11Tue
12Wed3:291.67:410.47:027:28Waxing Gibbous12Wed
13Thu3:531.68:260.47:027:27Waxing Gibbous13Thu
14Fri4:151.61:211.59:391.49:050.57:037:25Waxing Gibbous14Fri
15Sat4:351.62:361.59:531.39:400.57:037:24Waxing Gibbous15Sat
16Sun4:551.63:411.510:151.210:130.67:047:23Full Moon16Sun
17Mon5:151.64:421.610:411.110:460.87:057:22Full Moon17Mon
18Tue5:331.65:421.611:130.911:210.97:057:21Full Moon18Tue
19Wed5:501.66:441.611:490.811:591.17:067:19Waning Gibbous19Wed
20Thu6:061.67:521.712:320.67:067:18Waning Gibbous20Thu
21Fri6:201.69:101.712:441.31:230.57:077:17Waning Gibbous21Fri
22Sat6:341.610:361.71:421.52:190.47:077:16Waning Gibbous22Sat
23Sun6:441.611:591.83:251.63:200.37:087:14Third Quarter23Sun
24Mon4:250.37:087:13Third Quarter24Mon
25Tue1:071.85:340.37:097:12Third Quarter25Tue
26Wed2:001.86:440.47:097:11Waning Crescent26Wed
27Thu2:431.812:131.68:301.57:490.47:107:10Waning Crescent27Thu
28Fri3:191.81:441.78:541.48:480.57:107:08Waning Crescent28Fri
29Sat3:521.73:011.79:241.29:390.77:117:07Waning Crescent29Sat
30Sun4:211.74:091.89:571.110:240.87:117:06New Moon30Sun
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 11:38 pm — 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