Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 1h 28m at 5:07 pm (0.5 ft)
Next high tide : 11:02 pm (0.8 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:25 am
Moon phase : Third Quarter (62% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - May 1999

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:431.53:431.212:251.26:377:55Full Moon1Sat
2Sun7:281.56:367:55Waning Gibbous2Sun
3Mon8:171.612:020.26:357:56Waning Gibbous3Mon
4Tue9:111.512:410.26:347:57Waning Gibbous4Tue
5Wed10:121.51:250.26:337:57Waning Gibbous5Wed
6Thu11:131.52:130.26:337:58Waning Gibbous6Thu
7Fri12:041.53:040.36:327:58Third Quarter7Fri
8Sat12:441.53:590.36:317:59Third Quarter8Sat
9Sun1:151.44:590.48:111.16:308:00Third Quarter9Sun
10Mon1:411.46:050.58:010.96:308:00Waning Crescent10Mon
11Tue1:101.22:021.37:160.68:140.76:298:01Waning Crescent11Tue
12Wed2:341.32:221.38:230.88:410.46:288:02Waning Crescent12Wed
13Thu3:451.52:411.39:250.99:160.26:288:02Waning Crescent13Thu
14Fri4:481.73:011.310:241.19:56-0.16:278:03New Moon14Fri
15Sat5:461.83:221.411:251.210:41-0.26:268:03New Moon15Sat
16Sun6:431.83:461.412:371.36:268:04New Moon16Sun
17Mon7:411.84:131.42:061.46:258:05Waxing Crescent17Mon
18Tue8:421.812:23-0.36:258:05Waxing Crescent18Tue
19Wed9:451.71:22-0.26:248:06Waxing Crescent19Wed
20Thu10:471.62:25-0.16:248:07First Quarter20Thu
21Fri11:421.58:581.13:300.16:461.16:238:07First Quarter21Fri
22Sat12:271.44:370.37:201.06:238:08First Quarter22Sat
23Sun1:041.45:470.57:530.86:228:08First Quarter23Sun
24Mon1:081.11:341.37:020.78:220.66:228:09Waxing Gibbous24Mon
25Tue2:311.21:581.28:170.98:480.46:228:10Waxing Gibbous25Tue
26Wed3:411.32:141.29:231.09:130.36:218:10Waxing Gibbous26Wed
27Thu4:391.42:141.210:201.19:370.26:218:11Waxing Gibbous27Thu
28Fri5:251.51:271.211:161.210:030.16:218:11Full Moon28Fri
29Sat6:061.510:300.06:208:12Full Moon29Sat
30Sun6:441.511:01-0.16:208:12Full Moon30Sun
31Mon7:231.611:34-0.16:208:13Full Moon31Mon
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 8:04 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 transitional phase. Tonight's moon is 62% 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 shifting between spring and neap.

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 Third Quarter (62% illuminated). This places Galveston Pier 21, TX in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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