Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Sunday, July 12, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 12h 28m at 9:10 pm (-0.8 ft)
Next high tide (tomorrow) : 6:05 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 - May 1992

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:221.62:131.310:541.210:010.06:367:55New Moon1Fri
2Sat6:071.72:161.411:581.310:34-0.16:357:56New Moon2Sat
3Sun6:531.711:12-0.26:357:56New Moon3Sun
4Mon7:421.811:56-0.26:347:57Waxing Crescent4Mon
5Tue8:371.76:337:58Waxing Crescent5Tue
6Wed9:381.712:48-0.26:327:58Waxing Crescent6Wed
7Thu10:381.61:45-0.16:317:59Waxing Crescent7Thu
8Fri11:271.52:470.06:318:00First Quarter8Fri
9Sat12:041.53:520.26:111.16:308:00First Quarter9Sat
10Sun12:321.45:010.46:450.96:298:01First Quarter10Sun
11Mon12:151.212:561.36:210.77:240.66:298:01Waxing Gibbous11Mon
12Tue1:561.41:171.37:510.98:050.36:288:02Waxing Gibbous12Tue
13Wed3:191.51:331.39:181.18:450.16:278:03Waxing Gibbous13Wed
14Thu4:281.61:401.310:421.39:25-0.16:278:03Waxing Gibbous14Thu
15Fri5:251.710:03-0.26:268:04Full Moon15Fri
16Sat6:151.810:42-0.26:268:05Full Moon16Sat
17Sun7:021.711:22-0.26:258:05Full Moon17Sun
18Mon7:481.76:248:06Waning Gibbous18Mon
19Tue8:371.612:04-0.16:248:06Waning Gibbous19Tue
20Wed9:311.512:490.06:238:07Waning Gibbous20Wed
21Thu10:231.51:350.16:238:08Waning Gibbous21Thu
22Fri11:051.42:220.26:238:08Third Quarter22Fri
23Sat11:341.43:080.46:228:09Third Quarter23Sat
24Sun11:541.311:481.03:540.66:560.96:228:09Third Quarter24Sun
25Mon12:061.34:410.87:110.76:218:10Third Quarter25Mon
26Tue1:381.112:081.25:420.97:340.46:218:10Waning Crescent26Tue
27Wed2:581.212:021.37:121.17:590.26:218:11Waning Crescent27Wed
28Thu3:581.411:58 AM1.38:481.28:280.06:208:12Waning Crescent28Thu
29Fri4:451.58:59-0.26:208:12Waning Crescent29Fri
30Sat5:261.69:33-0.36:208:13New Moon30Sat
31Sun6:071.710:12-0.46:208:13New Moon31Sun
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 1:37 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 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