Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently falling in Galveston Pier 21, TX.
Next low tide : in 13h 29m at 11:13 pm (-0.3 ft)
Next high tide (tomorrow) : 8:10 am (1.4 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:23 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jan 2045

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun4:491.37:54-1.07:135:32Waxing Gibbous1Sun
2Mon5:291.38:42-1.18:591.27:135:33Full Moon2Mon
3Tue6:081.29:32-1.29:061.17:135:33Full Moon3Tue
4Wed1:281.26:451.110:23-1.19:461.07:145:34Full Moon4Wed
5Thu2:501.17:190.911:15-0.910:530.87:145:35Waning Gibbous5Thu
6Fri4:121.07:500.812:06-0.77:145:36Waning Gibbous6Fri
7Sat5:400.88:160.812:400.612:57-0.47:145:36Waning Gibbous7Sat
8Sun7:290.68:390.72:130.31:460.07:145:37Third Quarter8Sun
9Mon9:460.68:550.73:230.02:350.37:145:38Third Quarter9Mon
10Tue12:120.74:24-0.33:370.67:145:39Third Quarter10Tue
11Wed3:410.85:20-0.57:145:40Third Quarter11Wed
12Thu4:261.06:12-0.67:145:40Waning Crescent12Thu
13Fri5:041.06:59-0.77:145:41Waning Crescent13Fri
14Sat5:361.07:43-0.87:145:42Waning Crescent14Sat
15Sun5:581.08:24-0.87:145:43Waning Crescent15Sun
16Mon6:050.99:01-0.87:135:44New Moon16Mon
17Tue6:150.89:35-0.88:460.87:135:45New Moon17Tue
18Wed12:170.86:310.810:08-0.89:240.77:135:45New Moon18Wed
19Thu1:290.86:500.810:38-0.710:280.77:135:46New Moon19Thu
20Fri2:350.77:070.711:06-0.67:135:47Waxing Crescent20Fri
21Sat3:460.67:220.712:080.511:33 AM-0.47:125:48Waxing Crescent21Sat
22Sun5:070.57:310.71:240.411:59 AM-0.27:125:49Waxing Crescent22Sun
23Mon6:470.47:300.62:100.212:250.07:125:50Waxing Crescent23Mon
24Tue9:150.47:210.62:460.012:490.37:115:51First Quarter24Tue
25Wed7:020.73:22-0.27:115:51First Quarter25Wed
26Thu5:430.84:03-0.57:105:52First Quarter26Thu
27Fri5:020.94:53-0.77:105:53First Quarter27Fri
28Sat4:561.05:48-0.97:095:54Waxing Gibbous28Sat
29Sun4:301.16:46-1.07:095:55Waxing Gibbous29Sun
30Mon4:481.07:43-1.17:451.07:085:56Waxing Gibbous30Mon
31Tue5:091.08:37-1.28:040.97:085:56Full Moon31Tue
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 3:41 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 100% 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 Full Moon (100% 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