Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Monday, June 29, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 10h 29m at 10:37 pm (-0.4 ft)
Next high tide (tomorrow) : 7:38 am (1.4 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:22 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jul 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu9:241.26:400.81:170.24:300.86:238:22Waning Gibbous1Thu
2Fri9:391.29:470.71:490.44:520.66:238:22Third Quarter2Fri
3Sat9:431.12:170.65:210.46:248:22Third Quarter3Sat
4Sun12:270.89:34 AM1.12:390.85:510.26:248:22Third Quarter4Sun
5Mon9:231.26:240.06:258:22Third Quarter5Mon
6Tue9:061.27:00-0.26:258:22Waning Crescent6Tue
7Wed4:501.37:38-0.36:258:22Waning Crescent7Wed
8Thu5:011.48:19-0.56:268:22Waning Crescent8Thu
9Fri5:271.59:02-0.66:268:22Waning Crescent9Fri
10Sat5:571.59:46-0.66:278:21New Moon10Sat
11Sun6:281.51:111.49:581.410:31-0.66:278:21New Moon11Sun
12Mon6:591.42:441.410:321.311:18-0.56:288:21New Moon12Mon
13Tue7:281.44:191.311:321.26:288:21Waxing Crescent13Tue
14Wed7:561.35:541.212:06-0.312:590.96:298:20Waxing Crescent14Wed
15Thu8:211.27:351.112:560.02:190.76:298:20Waxing Crescent15Thu
16Fri8:441.29:321.01:470.33:230.46:308:20First Quarter16Fri
17Sat9:031.211:361.12:410.74:200.16:308:19First Quarter17Sat
18Sun9:131.23:411.05:16-0.16:318:19First Quarter18Sun
19Mon1:361.28:51 AM1.25:491.26:12-0.36:328:18First Quarter19Mon
20Tue3:461.47:06-0.46:328:18Waxing Gibbous20Tue
21Wed5:031.47:58-0.46:338:17Waxing Gibbous21Wed
22Thu5:431.58:46-0.46:338:17Waxing Gibbous22Thu
23Fri6:061.49:29-0.46:348:17Waxing Gibbous23Fri
24Sat6:191.410:07-0.36:348:16Full Moon24Sat
25Sun6:351.310:40-0.26:358:15Full Moon25Sun
26Mon6:531.31:551.211:031.211:11-0.16:368:15Full Moon26Mon
27Tue7:121.23:311.111:551.111:390.16:368:14Full Moon27Tue
28Wed7:301.24:591.01:060.96:378:14Waning Gibbous28Wed
29Thu7:461.26:260.912:060.22:040.86:378:13Waning Gibbous29Thu
30Fri7:571.28:070.912:320.42:490.66:388:12Waning Gibbous30Fri
31Sat7:591.210:180.912:580.63:290.46:388:12Waning Gibbous31Sat
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 3:07 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 spring phase. Tonight's moon is 100% 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 maximum.

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 Full Moon (100% illuminated). This places Galveston Pier 21, TX in a spring tide cycle, so tidal ranges are near their weekly maximum 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