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 5h 10m 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 - Feb 2002

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:370.87:460.712:050.412:36-0.47:085:57Waning Gibbous1Fri
2Sat7:150.68:090.61:280.21:29-0.17:075:58Waning Gibbous2Sat
3Sun9:140.68:270.62:39-0.12:250.37:065:59Third Quarter3Sun
4Mon11:170.78:310.63:44-0.33:440.57:065:59Third Quarter4Mon
5Tue1:160.84:46-0.57:056:00Third Quarter5Tue
6Wed3:070.95:47-0.77:046:01Waning Crescent6Wed
7Thu4:061.06:44-0.87:046:02Waning Crescent7Thu
8Fri4:401.07:36-0.87:036:03Waning Crescent8Fri
9Sat5:040.98:23-0.87:026:03Waning Crescent9Sat
10Sun5:240.99:04-0.710:170.87:026:04New Moon10Sun
11Mon12:260.85:450.89:41-0.79:290.77:016:05New Moon11Mon
12Tue1:480.86:060.810:14-0.69:490.67:006:06New Moon12Tue
13Wed2:480.86:270.710:45-0.510:350.56:596:07New Moon13Wed
14Thu3:470.76:460.711:14-0.311:360.46:586:07Waxing Crescent14Thu
15Fri4:490.67:000.711:43-0.26:576:08Waxing Crescent15Fri
16Sat6:000.67:080.612:400.312:120.06:576:09Waxing Crescent16Sat
17Sun7:330.57:060.61:360.112:410.26:566:10Waxing Crescent17Sun
18Mon9:400.56:590.72:240.01:100.56:556:10First Quarter18Mon
19Tue6:440.73:09-0.26:546:11First Quarter19Tue
20Wed4:400.83:55-0.36:536:12First Quarter20Wed
21Thu3:390.94:46-0.46:526:13First Quarter21Thu
22Fri3:251.05:41-0.66:516:13Waxing Gibbous22Fri
23Sat3:481.16:37-0.76:506:14Waxing Gibbous23Sat
24Sun4:131.17:31-0.88:291.06:496:15Waxing Gibbous24Sun
25Mon4:381.08:22-0.88:210.96:486:15Waxing Gibbous25Mon
26Tue1:021.15:021.09:12-0.88:540.86:476:16Full Moon26Tue
27Wed2:271.15:250.910:00-0.69:410.66:466:17Full Moon27Wed
28Thu3:471.15:480.810:49-0.410:380.36:456:17Full Moon28Thu
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