Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Monday, July 6, 2026
The tide is currently rising in Galveston Pier 21, TX.
Next low tide : 5:07 pm (0.5 ft)
Next high tide : in 6h 03m at 9:49 am (1.2 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:25 am
Moon phase : Third Quarter (62% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Dec 1999

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed11:341.06:430.75:270.66:555:20Third Quarter1Wed
2Thu12:151.21:091.17:160.56:480.86:565:20Waning Crescent2Thu
3Fri12:421.22:281.17:460.38:010.96:575:20Waning Crescent3Fri
4Sat1:031.23:311.28:120.19:011.06:585:20Waning Crescent4Sat
5Sun1:151.14:191.38:380.09:491.16:585:20Waning Crescent5Sun
6Mon1:031.15:001.39:03-0.110:231.16:595:20New Moon6Mon
7Tue12:251.25:361.49:29-0.27:005:20New Moon7Tue
8Wed6:131.49:58-0.37:015:20New Moon8Wed
9Thu6:531.310:29-0.37:015:21New Moon9Thu
10Fri7:381.311:03-0.37:025:21Waxing Crescent10Fri
11Sat8:261.311:40-0.27:035:21Waxing Crescent11Sat
12Sun9:151.212:19-0.27:035:21Waxing Crescent12Sun
13Mon9:571.21:00-0.17:045:22Waxing Crescent13Mon
14Tue10:291.11:430.07:055:22First Quarter14Tue
15Wed10:521.12:300.27:055:22First Quarter15Wed
16Thu10:120.611:101.06:200.53:270.47:065:23First Quarter16Thu
17Fri12:210.76:210.34:400.57:065:23First Quarter17Fri
18Sat1:420.96:410.16:140.77:075:23Waxing Gibbous18Sat
19Sun2:471.17:10-0.27:380.97:085:24Waxing Gibbous19Sun
20Mon12:011.03:421.37:47-0.58:401.07:085:24Waxing Gibbous20Mon
21Tue12:271.14:321.48:28-0.79:241.07:095:25Full Moon21Tue
22Wed1:031.15:201.49:12-0.910:001.17:095:25Full Moon22Wed
23Thu1:481.26:091.310:00-0.910:371.17:105:26Full Moon23Thu
24Fri2:401.26:581.310:50-0.911:301.07:105:26Waning Gibbous24Fri
25Sat3:361.17:481.211:42-0.77:115:27Waning Gibbous25Sat
26Sun4:371.08:381.11:010.912:37-0.57:115:27Waning Gibbous26Sun
27Mon5:480.89:251.02:320.81:32-0.37:115:28Third Quarter27Mon
28Tue7:310.710:060.93:490.62:270.07:125:29Third Quarter28Tue
29Wed9:520.610:410.84:550.33:230.27:125:29Third Quarter29Wed
30Thu11:530.611:110.85:490.14:310.47:125:30Third Quarter30Thu
31Fri1:380.76:33-0.16:260.67:135:31Waning Crescent31Fri
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 1:28 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 transitional phase. Tonight's moon is 62% 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 shifting between spring and neap.

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 Third Quarter (62% illuminated). This places Galveston Pier 21, TX in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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