Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Friday, August 7, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 1h 14m at 6:10 pm (-0.4 ft)
Next high tide (tomorrow) : 4:18 am (1.6 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 6:43 am
Moon phase : Third Quarter (32% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Dec 2095

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:011.512:25-0.26:565:20Waxing Crescent1Thu
2Fri10:451.41:16-0.26:565:20Waxing Crescent2Fri
3Sat11:111.42:100.06:575:20First Quarter3Sat
4Sun11:311.33:100.26:585:20First Quarter4Sun
5Mon9:570.911:481.26:390.84:180.46:595:20First Quarter5Mon
6Tue12:221.06:310.55:420.66:595:20Waxing Gibbous6Tue
7Wed12:021.11:541.26:540.27:140.87:005:20Waxing Gibbous7Wed
8Thu12:131.13:081.47:28-0.28:351.07:015:20Waxing Gibbous8Thu
9Fri12:231.24:091.58:07-0.59:451.27:025:21Full Moon9Fri
10Sat12:321.25:031.68:49-0.77:025:21Full Moon10Sat
11Sun5:551.69:34-0.87:035:21Full Moon11Sun
12Mon6:481.510:20-0.87:045:21Full Moon12Mon
13Tue7:441.411:09-0.77:045:22Waning Gibbous13Tue
14Wed8:441.312:00-0.67:055:22Waning Gibbous14Wed
15Thu9:431.212:52-0.47:055:22Waning Gibbous15Thu
16Fri10:281.11:42-0.27:065:23Third Quarter16Fri
17Sat10:591.02:300.07:075:23Third Quarter17Sat
18Sun11:211.03:150.27:075:24Third Quarter18Sun
19Mon11:360.611:370.96:430.44:020.57:085:24Third Quarter19Mon
20Tue1:270.76:510.25:090.67:085:24Waning Crescent20Tue
21Wed2:550.87:100.07:040.87:095:25Waning Crescent21Wed
22Thu3:501.07:34-0.27:095:25Waning Crescent22Thu
23Fri4:261.18:01-0.47:105:26Waning Crescent23Fri
24Sat4:581.18:29-0.57:105:27Waning Crescent24Sat
25Sun5:291.29:00-0.67:115:27New Moon25Sun
26Mon6:041.29:32-0.77:115:28New Moon26Mon
27Tue6:441.210:06-0.87:115:28New Moon27Tue
28Wed7:271.110:43-0.87:125:29Waxing Crescent28Wed
29Thu8:121.111:24-0.77:125:30Waxing Crescent29Thu
30Fri8:531.012:07-0.67:125:30Waxing Crescent30Fri
31Sat9:270.912:54-0.47:135:31Waxing Crescent31Sat
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 11:14 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 32% 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 Third Quarter (32% 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