Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Sunday, August 2, 2026
The tide is currently rising in Galveston Pier 21, TX.
Next low tide (tomorrow) : 12:57 am (0.5 ft)
Next high tide : in 3h 22m at 7:25 pm (0.9 ft)
Sunset today : 8:10 pm
Sunrise tomorrow : 6:40 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jan 2088

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:220.59:170.84:110.12:170.37:135:32First Quarter1Thu
2Fri12:130.64:51-0.13:170.67:135:32First Quarter2Fri
3Sat1:350.85:37-0.44:480.77:135:33Waxing Gibbous3Sat
4Sun2:381.06:25-0.67:080.87:135:34Waxing Gibbous4Sun
5Mon3:291.07:15-0.88:070.97:145:34Waxing Gibbous5Mon
6Tue4:131.18:04-0.98:390.97:145:35Waxing Gibbous6Tue
7Wed12:361.04:531.18:53-1.09:100.87:145:36Full Moon7Wed
8Thu1:431.05:311.09:40-1.09:490.77:145:37Full Moon8Thu
9Fri2:481.06:090.910:27-0.910:400.67:145:38Full Moon9Fri
10Sat3:520.96:460.911:13-0.711:490.57:145:38Waning Gibbous10Sat
11Sun4:570.87:230.811:58-0.57:145:39Waning Gibbous11Sun
12Mon6:070.67:580.71:080.412:41-0.27:145:40Waning Gibbous12Mon
13Tue7:360.58:310.72:210.21:190.07:145:41Third Quarter13Tue
14Wed9:310.48:580.73:250.01:490.37:145:42Third Quarter14Wed
15Thu11:380.59:120.64:23-0.11:580.47:145:42Third Quarter15Thu
16Fri8:130.65:16-0.37:135:43Third Quarter16Fri
17Sat5:330.76:04-0.47:135:44Waning Crescent17Sat
18Sun5:200.86:48-0.57:135:45Waning Crescent18Sun
19Mon4:520.87:27-0.67:135:46Waning Crescent19Mon
20Tue4:410.88:04-0.77:135:47Waning Crescent20Tue
21Wed4:530.88:39-0.79:060.77:125:48Waning Crescent21Wed
22Thu12:170.75:120.89:11-0.79:240.77:125:48New Moon22Thu
23Fri1:210.75:340.89:43-0.79:540.67:125:49New Moon23Fri
24Sat2:200.75:580.810:13-0.610:340.57:115:50New Moon24Sat
25Sun3:190.76:220.810:44-0.511:230.47:115:51Waxing Crescent25Sun
26Mon4:210.66:440.711:16-0.47:105:52Waxing Crescent26Mon
27Tue5:300.57:050.712:190.311:50 AM-0.27:105:53Waxing Crescent27Tue
28Wed6:520.57:220.71:140.112:270.07:095:54Waxing Crescent28Wed
29Thu8:380.57:380.72:07-0.11:080.27:095:54First Quarter29Thu
30Fri10:350.57:530.73:02-0.31:510.47:085:55First Quarter30Fri
31Sat12:150.64:00-0.52:420.67:085:56First Quarter31Sat
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 10:11 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 spring phase. Tonight's moon is 84% 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 (84% 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