Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Saturday, July 11, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 6h 49m at 8:16 pm (-0.7 ft)
Next high tide (tomorrow) : 5:23 am (1.6 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:27 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jul 1993

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:561.59:10-0.56:238:22Waxing Gibbous1Thu
2Fri5:381.59:55-0.56:238:22Full Moon2Fri
3Sat6:151.510:37-0.46:248:22Full Moon3Sat
4Sun6:501.411:17-0.36:248:22Full Moon4Sun
5Mon7:231.311:54-0.26:258:22Full Moon5Mon
6Tue7:561.34:161.12:121.16:258:22Waning Gibbous6Tue
7Wed8:261.25:390.912:300.03:000.96:258:22Waning Gibbous7Wed
8Thu8:521.27:180.81:040.23:410.76:268:22Waning Gibbous8Thu
9Fri9:131.19:370.81:360.44:180.66:268:21Waning Gibbous9Fri
10Sat9:231.111:590.82:040.64:550.46:278:21Third Quarter10Sat
11Sun9:181.12:260.85:320.26:278:21Third Quarter11Sun
12Mon9:081.16:100.16:288:21Third Quarter12Mon
13Tue9:041.26:49-0.16:288:20Third Quarter13Tue
14Wed6:261.27:29-0.26:298:20Waning Crescent14Wed
15Thu5:081.38:08-0.36:298:20Waning Crescent15Thu
16Fri5:161.48:47-0.46:308:20Waning Crescent16Fri
17Sat5:371.49:26-0.56:318:19Waning Crescent17Sat
18Sun6:011.41:021.310:111.310:06-0.56:318:19New Moon18Sun
19Mon6:271.42:221.310:291.210:46-0.46:328:18New Moon19Mon
20Tue6:541.43:481.211:131.111:28-0.26:328:18New Moon20Tue
21Wed7:201.35:151.212:161.06:338:17Waxing Crescent21Wed
22Thu7:451.26:451.112:120.01:280.76:338:17Waxing Crescent22Thu
23Fri8:081.28:251.012:580.32:320.56:348:16Waxing Crescent23Fri
24Sat8:291.210:191.11:480.63:310.26:348:16First Quarter24Sat
25Sun8:461.22:390.84:280.06:358:15First Quarter25Sun
26Mon12:121.28:57 AM1.23:351.15:26-0.26:368:15First Quarter26Mon
27Tue1:551.38:46 AM1.35:561.36:24-0.36:368:14First Quarter27Tue
28Wed3:281.47:22-0.46:378:14Waxing Gibbous28Wed
29Thu4:301.48:16-0.46:378:13Waxing Gibbous29Thu
30Fri5:031.49:04-0.36:388:12Waxing Gibbous30Fri
31Sat5:291.49:48-0.36:388:12Full Moon31Sat
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 12:49 am — 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 11% 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 (11% 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