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 (tomorrow) : 2:50 am (0.7 ft)
Next high tide : in 5h 01m at 11:02 pm (0.8 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 - Mar 1999

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:241.04:550.99:40-0.49:430.66:446:18Full Moon1Mon
2Tue3:231.05:220.910:18-0.210:170.56:436:19Full Moon2Tue
3Wed4:180.95:470.810:53-0.110:570.46:426:19Full Moon3Wed
4Thu5:120.96:080.811:250.111:430.36:416:20Waning Gibbous4Thu
5Fri6:100.86:230.811:570.36:406:21Waning Gibbous5Fri
6Sat7:160.86:260.812:320.212:300.56:396:21Waning Gibbous6Sat
7Sun8:380.86:160.81:230.11:030.66:386:22Waning Gibbous7Sun
8Mon10:150.86:080.82:150.01:380.86:366:23Third Quarter8Mon
9Tue11:530.95:530.93:080.02:160.96:356:23Third Quarter9Tue
10Wed1:171.04:05-0.16:346:24Third Quarter10Wed
11Thu2:121.05:03-0.16:336:24Third Quarter11Thu
12Fri2:431.06:01-0.26:326:25Waning Crescent12Fri
13Sat3:081.16:53-0.28:270.96:316:26Waning Crescent13Sat
14Sun3:311.17:41-0.28:240.96:306:26Waning Crescent14Sun
15Mon12:341.03:531.18:24-0.28:370.86:286:27Waning Crescent15Mon
16Tue1:521.14:151.19:05-0.19:030.66:276:27New Moon16Tue
17Wed3:021.14:371.09:470.09:380.56:266:28New Moon17Wed
18Thu4:081.24:581.010:300.110:210.36:256:29New Moon18Thu
19Fri5:141.25:181.011:170.411:100.16:246:29Waxing Crescent19Fri
20Sat6:231.35:381.012:110.66:236:30Waxing Crescent20Sat
21Sun7:391.35:571.012:060.01:160.86:216:30Waxing Crescent21Sun
22Mon9:041.36:141.11:07-0.22:371.06:206:31First Quarter22Mon
23Tue10:321.36:261.12:13-0.24:231.16:196:32First Quarter23Tue
24Wed11:541.33:22-0.26:186:32First Quarter24Wed
25Thu1:021.34:36-0.26:176:33First Quarter25Thu
26Fri1:551.35:51-0.18:021.06:156:33Waxing Gibbous26Fri
27Sat2:361.27:010.08:191.06:146:34Waxing Gibbous27Sat
28Sun12:401.13:091.28:010.18:390.86:136:35Waxing Gibbous28Sun
29Mon1:511.23:371.18:500.29:020.76:126:35Waxing Gibbous29Mon
30Tue2:531.24:021.19:320.39:270.66:116:36Full Moon30Tue
31Wed3:491.24:231.110:070.59:550.56:106:36Full Moon31Wed
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 12:56 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 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