29.3100’ N, 94.7933’ W

Galveston Pier 21, TX

85°
H -°
L 82°
S
9mph
High tide
6:21 am

Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Sunday, August 30, 2026
The tide is currently rising in Galveston Pier 21, TX.
Next low tide : 12:20 pm (0.7 ft)
Next high tide : in 5h 32m at 6:21 am (1.4 ft)
Sunset today : 7:43 pm
Sunrise tomorrow : 6:55 am
Moon phase : Waning Gibbous (93% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - May 1920

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:581.52:121.210:051.19:060.25:376:55Full Moon1Sat
2Sun4:471.62:111.310:591.29:370.15:366:55Full Moon2Sun
3Mon5:311.610:090.15:356:56Full Moon3Mon
4Tue6:141.610:430.15:346:57Full Moon4Tue
5Wed6:591.611:220.15:336:57Waning Gibbous5Wed
6Thu7:471.55:336:58Waning Gibbous6Thu
7Fri8:411.512:050.25:326:58Waning Gibbous7Fri
8Sat9:351.512:510.25:316:59Waning Gibbous8Sat
9Sun10:221.41:400.35:307:00Third Quarter9Sun
10Mon10:581.42:290.45:307:00Third Quarter10Mon
11Tue11:251.410:231.03:220.56:181.05:297:01Third Quarter11Tue
12Wed11:451.34:200.76:290.85:287:02Third Quarter12Wed
13Thu12:171.112:011.35:300.86:490.65:287:02Waning Crescent13Thu
14Fri1:341.312:151.36:461.07:150.35:277:03Waning Crescent14Fri
15Sat2:371.412:291.37:551.17:460.15:267:03Waning Crescent15Sat
16Sun3:331.612:481.48:551.28:23-0.15:267:04New Moon16Sun
17Mon4:241.71:111.49:481.39:05-0.35:257:05New Moon17Mon
18Tue5:141.81:431.510:391.49:50-0.45:257:05New Moon18Tue
19Wed6:041.82:251.511:341.510:41-0.45:247:06New Moon19Wed
20Thu6:571.83:191.512:441.45:247:07Waxing Crescent20Thu
21Fri7:511.74:241.41:541.45:237:07Waxing Crescent21Fri
22Sat8:451.65:421.312:35-0.12:561.35:237:08Waxing Crescent22Sat
23Sun9:361.57:281.21:380.13:541.15:227:08First Quarter23Sun
24Mon10:191.49:411.12:420.34:500.95:227:09First Quarter24Mon
25Tue10:571.411:331.23:500.65:420.75:217:09First Quarter25Tue
26Wed11:291.35:070.86:270.55:217:10Waxing Gibbous26Wed
27Thu1:061.211:56 AM1.36:401.07:070.35:217:11Waxing Gibbous27Thu
28Fri2:251.312:151.28:151.17:420.15:207:11Waxing Gibbous28Fri
29Sat3:291.412:131.29:521.28:140.05:207:12Waxing Gibbous29Sat
30Sun4:181.58:44-0.15:207:12Full Moon30Sun
31Mon4:571.59:14-0.15:207:13Full Moon31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8771450)

Common Questions About Galveston Pier 21, TX Tides

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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 93% 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 Waning Gibbous (93% 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