Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Galveston Pier 21, TX.
Next low tide : 5:45 pm (0.5 ft)
Next high tide : in 0m at 10:56 am (1.2 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:20 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Aug 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:201.69:31-0.46:398:11Waxing Gibbous1Sat
2Sun5:571.510:15-0.46:408:10Full Moon2Sun
3Mon6:311.510:57-0.36:418:09Full Moon3Mon
4Tue7:031.42:581.311:281.211:35-0.16:418:08Full Moon4Tue
5Wed7:331.34:131.212:131.16:428:07Waning Gibbous5Wed
6Thu8:011.35:261.112:110.11:311.06:428:07Waning Gibbous6Thu
7Fri8:261.26:491.012:460.32:330.96:438:06Waning Gibbous7Fri
8Sat8:451.28:380.91:200.53:210.76:438:05Waning Gibbous8Sat
9Sun8:531.210:521.01:540.74:030.66:448:04Third Quarter9Sun
10Mon8:441.22:270.94:430.46:458:03Third Quarter10Mon
11Tue12:561.18:27 AM1.23:021.15:240.26:458:02Third Quarter11Tue
12Wed8:021.36:060.16:468:01Third Quarter12Wed
13Thu3:451.46:490.06:468:00Third Quarter13Thu
14Fri4:151.57:33-0.16:478:00Waning Crescent14Fri
15Sat4:431.58:17-0.26:477:59Waning Crescent15Sat
16Sun5:101.69:00-0.26:487:58Waning Crescent16Sun
17Mon5:371.612:371.510:181.59:42-0.26:497:57New Moon17Mon
18Tue6:031.62:051.510:091.410:25-0.26:497:56New Moon18Tue
19Wed6:291.53:301.510:371.311:08-0.16:507:55New Moon19Wed
20Thu6:541.54:541.411:241.111:540.26:507:54New Moon20Thu
21Fri7:171.46:191.412:240.96:517:53Waxing Crescent21Fri
22Sat7:381.37:511.412:420.41:310.76:517:51Waxing Crescent22Sat
23Sun7:551.39:351.41:370.82:350.46:527:50Waxing Crescent23Sun
24Mon8:071.311:261.52:431.13:370.26:527:49First Quarter24Mon
25Tue8:031.44:231.34:370.16:537:48First Quarter25Tue
26Wed1:071.65:39-0.16:537:47First Quarter26Wed
27Thu2:331.76:41-0.16:547:46Waxing Gibbous27Thu
28Fri3:391.77:42-0.16:557:45Waxing Gibbous28Fri
29Sat4:261.78:370.06:557:44Waxing Gibbous29Sat
30Sun4:591.79:250.06:567:43Waxing Gibbous30Sun
31Mon5:261.62:101.510:451.410:070.26:567:41Full 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 2:20 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 neap phase. Tonight's moon is 48% 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 minimum.

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 First Quarter (48% illuminated). This places Galveston Pier 21, TX in a neap tide cycle, so tidal ranges are near their weekly minimum 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