Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Friday, August 14, 2026
The tide is currently rising in Galveston Pier 21, TX.
Next low tide (tomorrow) : 12:19 am (0.3 ft)
Next high tide : in 1h 03m at 5:41 pm (1.4 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:47 am
Moon phase : Waxing Crescent (5% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jan 1948

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu5:250.99:270.92:000.81:33-0.47:135:31Third Quarter1Thu
2Fri7:300.79:530.83:250.52:29-0.17:135:32Third Quarter2Fri
3Sat10:080.610:150.84:290.23:290.37:135:33Third Quarter3Sat
4Sun12:220.75:23-0.15:060.67:145:33Third Quarter4Sun
5Mon2:260.86:12-0.47:145:34Waning Crescent5Mon
6Tue3:561.06:55-0.67:145:35Waning Crescent6Tue
7Wed4:431.17:35-0.77:145:36Waning Crescent7Wed
8Thu5:151.18:13-0.87:145:36Waning Crescent8Thu
9Fri5:431.18:49-0.87:145:37New Moon9Fri
10Sat6:111.09:24-0.87:145:38New Moon10Sat
11Sun6:410.99:59-0.89:160.97:145:39New Moon11Sun
12Mon7:130.910:33-0.89:380.87:145:39New Moon12Mon
13Tue1:040.97:440.811:08-0.710:330.87:145:40Waxing Crescent13Tue
14Wed1:450.88:130.811:41-0.67:145:41Waxing Crescent14Wed
15Thu8:350.712:13-0.47:145:42Waxing Crescent15Thu
16Fri8:500.712:43-0.27:145:43Waxing Crescent16Fri
17Sat6:230.48:550.63:480.31:110.07:145:44First Quarter17Sat
18Sun9:510.38:470.64:120.11:390.27:145:44First Quarter18Sun
19Mon8:290.64:39-0.17:135:45First Quarter19Mon
20Tue7:350.75:10-0.47:135:46First Quarter20Tue
21Wed3:110.95:48-0.67:135:47Waxing Gibbous21Wed
22Thu3:471.06:32-0.87:135:48Waxing Gibbous22Thu
23Fri4:241.17:20-1.07:125:49Waxing Gibbous23Fri
24Sat5:011.18:10-1.29:131.07:125:50Full Moon24Sat
25Sun5:371.19:00-1.28:481.07:125:50Full Moon25Sun
26Mon12:571.16:121.09:52-1.29:190.87:115:51Full Moon26Mon
27Tue2:231.06:440.910:43-1.110:120.77:115:52Full Moon27Tue
28Wed3:441.07:130.811:34-0.811:300.57:105:53Waning Gibbous28Wed
29Thu5:070.87:400.712:25-0.57:105:54Waning Gibbous29Thu
30Fri6:400.78:030.61:030.21:16-0.27:095:55Waning Gibbous30Fri
31Sat8:340.68:200.62:200.02:080.27:095:55Third 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 9:00 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 5% 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 Waxing Crescent (5% 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