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 4h 12m 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 - Jul 2097

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon10:461.29:580.82:330.36:040.76:238:22Third Quarter1Mon
2Tue10:501.13:170.56:050.46:248:22Third Quarter2Tue
3Wed12:380.910:43 AM1.14:110.86:240.16:248:22Third Quarter3Wed
4Thu2:141.110:29 AM1.15:371.06:55-0.26:258:22Waning Crescent4Thu
5Fri3:261.47:35-0.56:258:22Waning Crescent5Fri
6Sat4:231.58:21-0.76:268:22Waning Crescent6Sat
7Sun5:131.79:10-0.86:268:22Waning Crescent7Sun
8Mon6:001.710:02-0.96:278:22New Moon8Mon
9Tue6:461.610:55-0.86:278:21New Moon9Tue
10Wed7:311.52:401.510:581.411:50-0.66:288:21New Moon10Wed
11Thu8:141.44:151.411:561.36:288:21Waxing Crescent11Thu
12Fri8:521.35:481.212:46-0.42:011.16:298:21Waxing Crescent12Fri
13Sat9:261.27:311.01:41-0.13:220.96:298:20Waxing Crescent13Sat
14Sun9:551.19:410.92:350.24:230.66:308:20First Quarter14Sun
15Mon10:171.111:561.03:280.55:150.36:308:20First Quarter15Mon
16Tue10:291.14:250.86:010.16:318:19First Quarter16Tue
17Wed2:091.19:48 AM1.16:351.16:44-0.16:318:19First Quarter17Wed
18Thu4:301.37:23-0.26:328:19Waxing Gibbous18Thu
19Fri5:241.48:01-0.36:328:18Waxing Gibbous19Fri
20Sat5:571.58:38-0.36:338:18Waxing Gibbous20Sat
21Sun6:191.59:16-0.46:338:17Waxing Gibbous21Sun
22Mon6:361.49:52-0.36:348:17Full Moon22Mon
23Tue6:551.410:28-0.36:358:16Full Moon23Tue
24Wed7:181.411:03-0.36:358:16Full Moon24Wed
25Thu7:421.411:36-0.26:368:15Full Moon25Thu
26Fri8:071.36:368:14Waning Gibbous26Fri
27Sat8:291.312:09-0.16:378:14Waning Gibbous27Sat
28Sun8:471.26:280.912:410.13:420.96:378:13Waning Gibbous28Sun
29Mon8:581.28:430.91:160.33:560.76:388:13Waning Gibbous29Mon
30Tue9:001.211:131.01:550.64:180.46:398:12Third Quarter30Tue
31Wed8:521.22:410.94:490.16:398:11Third Quarter31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8771450)

Common Questions About Galveston Pier 21, TX Tides

Show All
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