Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Wednesday, August 5, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 1h 39m at 4:23 pm (0.0 ft)
Next high tide (tomorrow) : 6:30 am (1.3 ft)
Sunset today : 8:08 pm
Sunrise tomorrow : 6:41 am
Moon phase : Third Quarter (54% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jun 2091

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:461.72:411.411:281.310:37-0.46:208:14Full Moon1Fri
2Sat6:391.73:081.412:421.36:198:14Full Moon2Sat
3Sun7:301.76:198:15Waning Gibbous3Sun
4Mon8:221.612:13-0.36:198:15Waning Gibbous4Mon
5Tue9:161.51:05-0.16:198:16Waning Gibbous5Tue
6Wed10:091.51:580.06:198:16Waning Gibbous6Wed
7Thu10:561.42:520.26:198:17Third Quarter7Thu
8Fri11:351.311:170.93:440.47:000.86:198:17Third Quarter8Fri
9Sat12:061.24:360.67:190.66:198:18Third Quarter9Sat
10Sun1:010.912:291.25:330.87:410.56:198:18Third Quarter10Sun
11Mon2:241.012:431.26:440.98:050.36:198:18Waning Crescent11Mon
12Tue3:331.112:421.28:031.08:310.16:198:19Waning Crescent12Tue
13Wed4:271.312:321.29:101.18:590.06:198:19Waning Crescent13Wed
14Thu5:081.312:371.210:071.29:28-0.16:198:20Waning Crescent14Thu
15Fri5:441.49:57-0.26:198:20New Moon15Fri
16Sat6:191.510:29-0.26:198:20New Moon16Sat
17Sun6:541.511:02-0.36:198:20New Moon17Sun
18Mon7:331.511:38-0.26:198:21New Moon18Mon
19Tue8:141.56:208:21Waxing Crescent19Tue
20Wed8:561.512:18-0.26:208:21Waxing Crescent20Wed
21Thu9:371.41:03-0.16:208:21Waxing Crescent21Thu
22Fri10:141.37:460.91:520.15:150.96:208:22First Quarter22Fri
23Sat10:451.310:150.92:440.25:350.76:218:22First Quarter23Sat
24Sun11:111.23:410.56:060.46:218:22First Quarter24Sun
25Mon12:151.011:35 AM1.24:460.76:440.26:218:22First Quarter25Mon
26Tue1:461.111:56 AM1.26:090.97:26-0.16:218:22Waxing Gibbous26Tue
27Wed3:011.312:171.27:571.18:11-0.36:228:22Waxing Gibbous27Wed
28Thu4:041.412:401.29:251.28:56-0.46:228:22Waxing Gibbous28Thu
29Fri4:591.51:091.310:301.29:41-0.56:228:22Full Moon29Fri
30Sat5:471.51:461.311:221.310:26-0.56:238:22Full Moon30Sat
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 11:26 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 neap phase. Tonight's moon is 54% 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 Third Quarter (54% 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