Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 3h 41m at 6:20 pm (-0.1 ft)
Next high tide (tomorrow) : 5:07 am (1.4 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 6:33 am
Moon phase : First Quarter (62% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jul 2071

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:501.47:101.11:05-0.22:580.96:238:22Waxing Crescent1Wed
2Thu9:311.38:541.02:010.14:020.76:248:22First Quarter2Thu
3Fri10:101.210:510.93:000.35:000.46:248:22First Quarter3Fri
4Sat10:461.24:000.65:550.26:248:22First Quarter4Sat
5Sun12:391.011:18 AM1.25:110.86:460.16:258:22First Quarter5Sun
6Mon2:141.111:43 AM1.17:031.07:32-0.16:258:22Waxing Gibbous6Mon
7Tue3:381.211:51 AM1.19:261.18:13-0.26:268:22Waxing Gibbous7Tue
8Wed4:391.38:50-0.26:268:22Waxing Gibbous8Wed
9Thu5:191.39:24-0.26:278:22Waxing Gibbous9Thu
10Fri5:481.39:56-0.26:278:21Full Moon10Fri
11Sat6:151.310:27-0.26:288:21Full Moon11Sat
12Sun6:421.310:58-0.26:288:21Full Moon12Sun
13Mon7:111.311:29-0.16:298:21Full Moon13Mon
14Tue7:401.36:298:20Waning Gibbous14Tue
15Wed8:091.312:010.06:308:20Waning Gibbous15Wed
16Thu8:371.26:140.812:340.13:390.86:308:20Waning Gibbous16Thu
17Fri9:021.27:570.81:080.34:130.76:318:19Waning Gibbous17Fri
18Sat9:221.210:160.81:450.44:440.56:318:19Third Quarter18Sat
19Sun9:371.12:250.65:140.36:328:18Third Quarter19Sun
20Mon12:130.99:49 AM1.13:120.85:470.16:328:18Third Quarter20Mon
21Tue1:361.010:04 AM1.24:121.06:250.06:338:17Third Quarter21Tue
22Wed2:401.210:27 AM1.25:371.17:08-0.26:348:17Waning Crescent22Wed
23Thu3:321.311:06 AM1.37:391.27:55-0.46:348:16Waning Crescent23Thu
24Fri4:161.412:041.38:401.38:43-0.56:358:16Waning Crescent24Fri
25Sat4:571.51:121.49:151.39:31-0.56:358:15New Moon25Sat
26Sun5:351.52:261.49:521.210:20-0.56:368:15New Moon26Sun
27Mon6:131.43:421.410:371.111:08-0.36:368:14New Moon27Mon
28Tue6:491.44:581.311:351.011:58-0.16:378:14Waxing Crescent28Tue
29Wed7:241.36:151.212:470.86:388:13Waxing Crescent29Wed
30Thu8:001.37:381.112:500.12:030.66:388:12Waxing Crescent30Thu
31Fri8:351.29:141.11:430.43:120.56:398:12Waxing Crescent31Fri
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 11:43 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 62% 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 (62% 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