Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Friday, July 3, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide (tomorrow) : in 12h 47m at 12:57 am (0.0 ft)
Next high tide (tomorrow) : 9:30 am (1.3 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:24 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Sep 2049

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed6:181.48:591.412:071.11:360.56:577:40Waxing Crescent1Wed
2Thu6:211.410:341.412:381.22:230.46:577:39Waxing Crescent2Thu
3Fri6:181.51:121.43:140.36:587:38First Quarter3Fri
4Sat5:491.64:100.26:587:37First Quarter4Sat
5Sun5:311.65:110.16:597:36First Quarter5Sun
6Mon5:581.76:150.16:597:34First Quarter6Mon
7Tue3:001.77:190.17:007:33Waxing Gibbous7Tue
8Wed3:271.712:071.67:461.58:180.17:007:32Waxing Gibbous8Wed
9Thu3:531.61:511.78:271.49:120.37:017:31Waxing Gibbous9Thu
10Fri4:171.63:171.79:121.110:020.57:017:30Full Moon10Fri
11Sat4:421.54:341.79:590.910:490.77:027:28Full Moon11Sat
12Sun5:051.55:451.810:470.711:360.97:027:27Full Moon12Sun
13Mon5:281.56:541.811:380.57:037:26Waning Gibbous13Mon
14Tue5:481.68:061.712:251.212:320.47:037:25Waning Gibbous14Tue
15Wed6:021.69:271.71:211.41:300.37:047:23Waning Gibbous15Wed
16Thu6:041.611:051.72:401.52:290.37:047:22Waning Gibbous16Thu
17Fri3:300.37:057:21Third Quarter17Fri
18Sat1:041.74:310.47:057:20Third Quarter18Sat
19Sun2:291.75:330.57:067:19Third Quarter19Sun
20Mon3:061.76:340.57:067:17Third Quarter20Mon
21Tue3:221.77:280.67:077:16Waning Crescent21Tue
22Wed3:341.612:281.59:231.58:140.77:077:15Waning Crescent22Wed
23Thu3:471.61:571.59:171.38:520.77:087:14Waning Crescent23Thu
24Fri4:011.63:061.59:351.29:260.97:087:12Waning Crescent24Fri
25Sat4:131.64:071.69:591.09:571.07:097:11New Moon25Sat
26Sun4:241.65:021.610:260.910:261.17:107:10New Moon26Sun
27Mon4:321.65:561.710:550.710:551.37:107:09New Moon27Mon
28Tue4:391.66:501.711:260.611:251.47:117:08New Moon28Tue
29Wed4:441.67:481.812:020.57:117:06Waxing Crescent29Wed
30Thu4:481.78:551.812:440.47:127:05Waxing Crescent30Thu
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 5:13 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 88% 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 Gibbous (88% 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