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 3h 29m 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 - Dec 2016

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:381.37:031.410:43-0.16:565:20Waxing Crescent1Thu
2Fri7:491.411:18-0.16:575:20Waxing Crescent2Fri
3Sat8:381.411:55-0.16:575:20Waxing Crescent3Sat
4Sun9:251.312:360.06:585:20Waxing Crescent4Sun
5Mon10:041.31:200.16:595:20First Quarter5Mon
6Tue10:351.22:100.27:005:20First Quarter6Tue
7Wed8:330.811:001.26:050.83:060.47:005:20First Quarter7Wed
8Thu11:290.811:221.16:030.54:150.57:015:21First Quarter8Thu
9Fri1:021.06:250.35:410.77:025:21Waxing Gibbous9Fri
10Sat2:141.26:560.07:090.97:035:21Waxing Gibbous10Sat
11Sun12:071.13:151.37:34-0.38:161.07:035:21Waxing Gibbous11Sun
12Mon12:351.24:091.48:16-0.59:081.17:045:22Full Moon12Mon
13Tue1:101.24:591.59:00-0.79:501.17:055:22Full Moon13Tue
14Wed1:511.25:471.49:46-0.710:311.17:055:22Full Moon14Wed
15Thu2:381.26:361.410:34-0.711:231.17:065:23Waning Gibbous15Thu
16Fri3:271.27:251.311:24-0.67:065:23Waning Gibbous16Fri
17Sat4:191.18:161.212:451.012:15-0.47:075:23Waning Gibbous17Sat
18Sun5:150.99:061.12:160.91:07-0.27:075:24Waning Gibbous18Sun
19Mon6:310.89:511.03:360.71:570.07:085:24Third Quarter19Mon
20Tue8:460.610:301.04:460.52:460.27:095:25Third Quarter20Tue
21Wed11:000.611:020.95:400.33:360.47:095:25Third Quarter21Wed
22Thu12:480.76:210.24:410.67:105:26Third Quarter22Thu
23Fri2:200.86:540.06:380.77:105:26Waning Crescent23Fri
24Sat3:250.97:24-0.28:090.87:105:27Waning Crescent24Sat
25Sun4:041.07:53-0.39:000.97:115:27Waning Crescent25Sun
26Mon4:331.08:22-0.49:240.97:115:28Waning Crescent26Mon
27Tue5:011.08:52-0.59:410.97:125:29New Moon27Tue
28Wed12:160.95:311.09:22-0.69:580.97:125:29New Moon28Wed
29Thu12:570.96:021.09:53-0.610:240.97:125:30New Moon29Thu
30Fri1:360.96:361.010:24-0.611:130.87:135:30New Moon30Fri
31Sat2:130.97:191.010:57-0.67:135:31Waxing Crescent31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8771450)

Common Questions About Galveston Pier 21, TX Tides

Show All
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