Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide (tomorrow) : in 3h 53m at 1:32 am (0.2 ft)
Next high tide (tomorrow) : 9:44 am (1.2 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:24 am
Moon phase : Waning Gibbous (80% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jan 2002

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:221.17:411.111:03-0.911:011.07:135:32Waning Gibbous1Tue
2Wed2:441.08:241.011:53-0.87:135:32Waning Gibbous2Wed
3Thu4:130.99:020.91:150.912:45-0.67:135:33Waning Gibbous3Thu
4Fri5:540.79:320.82:460.71:39-0.37:145:34Third Quarter4Fri
5Sat8:140.69:580.83:460.42:350.07:145:35Third Quarter5Sat
6Sun10:440.610:190.74:410.13:390.37:145:35Third Quarter6Sun
7Mon12:420.75:32-0.25:300.67:145:36Third Quarter7Mon
8Tue2:210.96:21-0.58:190.77:145:37Waning Crescent8Tue
9Wed3:351.07:07-0.77:145:38Waning Crescent9Wed
10Thu4:251.17:51-0.87:145:38Waning Crescent10Thu
11Fri5:051.18:32-0.97:145:39New Moon11Fri
12Sat5:401.09:12-0.97:145:40New Moon12Sat
13Sun6:141.09:50-0.97:145:41New Moon13Sun
14Mon6:490.910:27-0.89:590.87:145:42New Moon14Mon
15Tue1:130.87:240.811:03-0.710:340.77:145:43Waxing Crescent15Tue
16Wed2:140.87:580.811:38-0.67:145:43Waxing Crescent16Wed
17Thu3:130.78:270.712:370.712:12-0.47:135:44Waxing Crescent17Thu
18Fri8:500.712:45-0.37:135:45Waxing Crescent18Fri
19Sat5:590.49:030.63:240.31:15-0.17:135:46First Quarter19Sat
20Sun9:110.39:030.64:050.21:410.17:135:47First Quarter20Sun
21Mon12:020.44:420.02:030.47:125:48First Quarter21Mon
22Tue8:350.65:18-0.37:125:48First Quarter22Tue
23Wed3:430.75:54-0.57:125:49Waxing Gibbous23Wed
24Thu3:440.96:32-0.67:115:50Waxing Gibbous24Thu
25Fri4:111.07:12-0.87:115:51Waxing Gibbous25Fri
26Sat4:411.07:53-1.07:115:52Waxing Gibbous26Sat
27Sun5:141.08:37-1.19:120.97:105:53Full Moon27Sun
28Mon12:150.95:471.09:22-1.19:140.97:105:54Full Moon28Mon
29Tue1:361.06:200.910:08-1.19:500.87:095:54Full Moon29Tue
30Wed2:550.96:510.810:56-0.910:470.67:095:55Waning Gibbous30Wed
31Thu4:130.97:200.711:45-0.77:085:56Waning Gibbous31Thu
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 5:38 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 80% 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 (80% 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