Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Saturday, August 8, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 12h 45m at 7:10 pm (-0.5 ft)
Next high tide (tomorrow) : 4:54 am (1.7 ft)
Sunset today : 8:05 pm
Sunrise tomorrow : 6:43 am
Moon phase : Waning Crescent (22% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Nov 2096

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:271.67:052.110:560.07:336:32Full Moon1Thu
2Fri3:241.78:112.112:411.711:44 AM-0.27:336:31Waning Gibbous2Fri
3Sat9:242.012:38-0.27:346:30Waning Gibbous3Sat
4Sun9:482.012:38-0.26:355:30Waning Gibbous4Sun
5Mon11:111.91:450.06:365:29Third Quarter5Mon
6Tue2:560.16:365:28Third Quarter6Tue
7Wed12:051.84:090.36:375:28Third Quarter7Wed
8Thu12:381.75:240.56:385:27Third Quarter8Thu
9Fri1:041.611:53 AM1.37:461.26:350.76:395:26Waning Crescent9Fri
10Sat1:251.51:261.48:000.97:380.96:395:26Waning Crescent10Sat
11Sun1:431.42:441.48:190.78:311.16:405:25Waning Crescent11Sun
12Mon1:551.43:481.58:400.59:181.26:415:25Waning Crescent12Mon
13Tue1:551.44:411.69:010.310:031.46:425:24New Moon13Tue
14Wed1:241.45:261.79:240.26:435:24New Moon14Wed
15Thu6:101.79:510.16:435:23New Moon15Thu
16Fri6:551.710:200.06:445:23New Moon16Fri
17Sat7:471.710:540.06:455:23Waxing Crescent17Sat
18Sun8:541.611:330.06:465:22Waxing Crescent18Sun
19Mon10:251.612:170.06:475:22Waxing Crescent19Mon
20Tue11:251.61:040.16:475:22Waxing Crescent20Tue
21Wed11:471.61:550.16:485:21First Quarter21Wed
22Thu2:470.26:495:21First Quarter22Thu
23Fri12:021.53:440.46:505:21First Quarter23Fri
24Sat12:141.410:09 AM1.07:451.04:500.56:515:21First Quarter24Sat
25Sun12:241.312:421.17:080.76:070.76:525:20Waxing Gibbous25Sun
26Mon12:311.32:091.37:170.47:260.96:525:20Waxing Gibbous26Mon
27Tue12:351.33:181.57:420.08:381.16:535:20Waxing Gibbous27Tue
28Wed12:391.34:181.78:16-0.39:441.36:545:20Full Moon28Wed
29Thu12:431.45:141.88:57-0.56:555:20Full Moon29Thu
30Fri6:091.89:42-0.76:555:20Full Moon30Fri
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 12:02 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 22% 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 Waning Crescent (22% 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