Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Sunday, July 5, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 33m at 5:03 pm (0.7 ft)
Next high tide : 7:52 pm (0.8 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:25 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Sep 2000

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri7:121.47:411.512:390.61:090.76:577:40Waxing Crescent1Fri
2Sat7:351.49:091.41:310.92:110.66:577:39Waxing Crescent2Sat
3Sun7:481.410:511.52:331.13:090.56:587:38Waxing Crescent3Sun
4Mon7:251.44:031.34:050.46:587:37First Quarter4Mon
5Tue12:401.54:590.36:597:36First Quarter5Tue
6Wed2:161.65:530.36:597:35First Quarter6Wed
7Thu3:211.66:470.37:007:33First Quarter7Thu
8Fri3:581.77:380.37:007:32Waxing Gibbous8Fri
9Sat4:211.78:240.37:017:31Waxing Gibbous9Sat
10Sun4:401.69:040.47:017:30Waxing Gibbous10Sun
11Mon4:581.61:471.510:071.49:400.47:027:28Waxing Gibbous11Mon
12Tue5:161.63:021.510:211.310:130.57:027:27Full Moon12Tue
13Wed5:341.64:081.510:451.210:440.67:037:26Full Moon13Wed
14Thu5:521.65:111.511:161.111:150.87:037:25Full Moon14Thu
15Fri6:071.66:151.511:500.911:490.97:047:24Full Moon15Fri
16Sat6:191.57:241.512:290.87:047:22Waning Gibbous16Sat
17Sun6:291.58:431.612:291.11:130.67:057:21Waning Gibbous17Sun
18Mon6:341.510:131.71:181.32:030.57:057:20Waning Gibbous18Mon
19Tue6:291.611:451.82:351.52:570.47:067:19Third Quarter19Tue
20Wed3:570.37:067:17Third Quarter20Wed
21Thu1:011.85:020.27:077:16Third Quarter21Thu
22Fri2:011.96:100.27:077:15Third Quarter22Fri
23Sat2:481.97:180.27:087:14Waning Crescent23Sat
24Sun3:271.812:271.78:561.68:210.37:087:13Waning Crescent24Sun
25Mon3:591.82:041.79:091.59:170.47:097:11Waning Crescent25Mon
26Tue4:281.73:231.89:381.310:070.67:097:10New Moon26Tue
27Wed4:551.74:351.810:151.110:530.87:107:09New Moon27Wed
28Thu5:191.65:411.810:560.911:381.07:117:08New Moon28Thu
29Fri5:401.66:461.811:400.77:117:07Waxing Crescent29Fri
30Sat5:561.67:541.812:251.212:270.67:127:05Waxing Crescent30Sat
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 6:27 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 72% 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 Gibbous (72% 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