Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Sunday, July 12, 2026
The tide is currently rising in Galveston Pier 21, TX.
Next low tide : 9:10 pm (-0.8 ft)
Next high tide : in 3h 41m at 5:23 am (1.6 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:28 am
Moon phase : Waning Crescent (4% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Oct 1992

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:420.37:127:04First Quarter1Thu
2Fri12:051.93:460.47:137:03First Quarter2Fri
3Sat2:071.84:510.57:137:02First Quarter3Sat
4Sun2:391.85:550.67:147:01First Quarter4Sun
5Mon2:491.76:560.77:146:59Waxing Gibbous5Mon
6Tue2:581.712:311.59:561.57:480.87:156:58Waxing Gibbous6Tue
7Wed3:101.62:001.59:141.38:320.97:166:57Waxing Gibbous7Wed
8Thu3:221.63:101.69:201.29:101.07:166:56Waxing Gibbous8Thu
9Fri3:311.64:101.69:391.09:441.27:176:55Waxing Gibbous9Fri
10Sat3:381.65:041.710:020.810:171.37:176:54Full Moon10Sat
11Sun3:421.65:541.810:280.610:491.47:186:53Full Moon11Sun
12Mon3:441.66:431.810:560.511:211.57:186:52Full Moon12Mon
13Tue3:481.77:351.911:280.411:521.77:196:50Waning Gibbous13Tue
14Wed3:491.78:341.912:050.37:206:49Waning Gibbous14Wed
15Thu9:461.912:480.37:206:48Waning Gibbous15Thu
16Fri1:400.37:216:47Waning Gibbous16Fri
17Sat2:181.92:380.37:226:46Third Quarter17Sat
18Sun12:301.93:410.37:226:45Third Quarter18Sun
19Mon1:041.94:480.47:236:44Third Quarter19Mon
20Tue1:271.86:000.67:246:43Third Quarter20Tue
21Wed1:481.712:251.67:381.47:130.87:246:42Waning Crescent21Wed
22Thu2:081.62:071.78:041.18:231.07:256:41Waning Crescent22Thu
23Fri2:271.63:291.88:400.89:251.27:266:40Waning Crescent23Fri
24Sat2:451.64:391.99:190.510:221.47:266:39New Moon24Sat
25Sun2:011.64:412.09:000.210:151.56:275:38New Moon25Sun
26Mon2:141.75:382.09:430.111:111.76:285:38New Moon26Mon
27Tue2:211.76:352.010:280.06:285:37Waxing Crescent27Tue
28Wed7:361.911:150.06:295:36Waxing Crescent28Wed
29Thu8:471.812:060.16:305:35Waxing Crescent29Thu
30Fri10:151.81:010.36:315:34Waxing Crescent30Fri
31Sat11:271.71:570.46:315:33First Quarter31Sat
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 1:16 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 spring phase. Tonight's moon is 4% 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 Crescent (4% 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