Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 4h 10m at 11:13 pm (-0.3 ft)
Next high tide (tomorrow) : 8:10 am (1.4 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:23 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Apr 2045

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:561.54:341.111:130.610:390.17:077:37Full Moon1Sat
2Sun6:031.54:431.112:100.97:067:38Full Moon2Sun
3Mon7:071.64:401.11:221.17:057:38Waning Gibbous3Mon
4Tue8:121.512:08-0.27:047:39Waning Gibbous4Tue
5Wed9:231.512:56-0.27:037:40Waning Gibbous5Wed
6Thu10:481.51:48-0.17:027:40Waning Gibbous6Thu
7Fri12:511.42:450.07:007:41Third Quarter7Fri
8Sat3:041.43:470.16:597:41Third Quarter8Sat
9Sun3:461.44:530.16:587:42Third Quarter9Sun
10Mon3:221.35:590.26:577:43Third Quarter10Mon
11Tue3:141.27:020.39:201.16:567:43Waning Crescent11Tue
12Wed12:111.13:181.27:570.48:570.96:557:44Waning Crescent12Wed
13Thu2:061.13:231.28:440.59:120.76:547:44Waning Crescent13Thu
14Fri3:231.23:281.29:270.79:330.56:537:45Waning Crescent14Fri
15Sat4:261.33:281.210:100.89:570.36:527:46New Moon15Sat
16Sun5:221.43:251.210:561.010:240.16:517:46New Moon16Sun
17Mon6:141.63:201.211:541.210:550.06:497:47New Moon17Mon
18Tue7:051.611:31-0.16:487:47New Moon18Tue
19Wed8:011.76:477:48Waxing Crescent19Wed
20Thu9:041.712:15-0.26:467:49Waxing Crescent20Thu
21Fri10:201.71:07-0.26:457:49Waxing Crescent21Fri
22Sat11:451.62:07-0.26:447:50First Quarter22Sat
23Sun12:491.63:14-0.16:437:50First Quarter23Sun
24Mon1:231.54:250.06:427:51First Quarter24Mon
25Tue1:461.45:400.27:261.26:427:52First Quarter25Tue
26Wed2:051.36:580.47:520.96:417:52Waxing Gibbous26Wed
27Thu1:371.42:231.38:140.68:270.66:407:53Waxing Gibbous27Thu
28Fri3:081.52:381.29:260.99:050.36:397:53Waxing Gibbous28Fri
29Sat4:241.62:471.210:361.19:420.06:387:54Full Moon29Sat
30Sun5:291.72:391.311:581.210:20-0.16:377:55Full Moon30Sun
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 3:41 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 100% 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 Full Moon (100% 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