Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Thursday, August 6, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 59m at 5:13 pm (-0.2 ft)
Next high tide (tomorrow) : 4:50 am (1.5 ft)
Sunset today : 8:07 pm
Sunrise tomorrow : 6:42 am
Moon phase : Third Quarter (43% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Sep 2093

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:161.77:39-0.16:577:40Waxing Gibbous1Tue
2Wed3:581.711:54 AM1.69:031.68:36-0.16:577:39Waxing Gibbous2Wed
3Thu4:341.71:371.69:071.59:300.06:587:38Waxing Gibbous3Thu
4Fri5:071.73:031.79:381.310:210.16:587:36Full Moon4Fri
5Sat5:371.64:211.710:201.211:100.36:597:35Full Moon5Sat
6Sun6:051.55:331.611:091.011:580.66:597:34Full Moon6Sun
7Mon6:321.56:461.612:050.87:007:33Waning Gibbous7Mon
8Tue6:561.58:031.612:480.81:040.77:007:32Waning Gibbous8Tue
9Wed7:151.49:311.61:451.12:040.57:017:30Waning Gibbous9Wed
10Thu7:191.411:131.62:591.33:020.57:027:29Third Quarter10Thu
11Fri3:580.47:027:28Third Quarter11Fri
12Sat12:541.64:540.47:037:27Third Quarter12Sat
13Sun2:141.75:510.47:037:26Third Quarter13Sun
14Mon3:091.76:470.47:047:24Third Quarter14Mon
15Tue3:451.77:390.47:047:23Waning Crescent15Tue
16Wed4:101.78:250.47:057:22Waning Crescent16Wed
17Thu4:311.71:001.59:581.59:040.57:057:21Waning Crescent17Thu
18Fri4:491.72:231.510:031.49:390.67:067:19Waning Crescent18Fri
19Sat5:071.63:301.510:231.310:110.77:067:18New Moon19Sat
20Sun5:241.64:321.610:491.110:410.87:077:17New Moon20Sun
21Mon5:381.65:321.611:191.011:130.97:077:16New Moon21Mon
22Tue5:511.66:341.611:520.911:471.17:087:14Waxing Crescent22Tue
23Wed5:591.67:411.712:300.77:087:13Waxing Crescent23Wed
24Thu6:041.68:571.712:271.31:130.67:097:12Waxing Crescent24Thu
25Fri6:021.610:241.81:181.52:040.47:097:11Waxing Crescent25Fri
26Sat11:511.93:000.47:107:10First Quarter26Sat
27Sun4:010.37:107:08First Quarter27Sun
28Mon1:031.95:080.37:117:07First Quarter28Mon
29Tue1:581.96:180.37:117:06Waxing Gibbous29Tue
30Wed2:411.97:270.37:127:05Waxing Gibbous30Wed
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 11:01 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 43% 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 (43% 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