Tides Today & Tomorrow in Port Bolivar, TX

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Port Bolivar, TX.
Next low tide : in 4h 43m at 4:14 am (0.3 ft)
Next high tide : 11:41 am (1.0 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:19 am
Moon phase : First Quarter (38% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Mar 2028

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed3:301.112:56-0.26:436:18Waxing Crescent1Wed
2Thu3:231.21:35-0.36:426:19First Quarter2Thu
3Fri4:001.32:22-0.46:416:20First Quarter3Fri
4Sat4:471.43:18-0.46:406:20First Quarter4Sat
5Sun5:401.44:22-0.46:396:21First Quarter5Sun
6Mon6:421.45:32-0.46:386:22Waxing Gibbous6Mon
7Tue11:311.46:43-0.46:366:22Waxing Gibbous7Tue
8Wed7:50-0.46:356:23Waxing Gibbous8Wed
9Thu1:101.44:560.98:50-0.28:420.86:346:24Full Moon9Thu
10Fri2:341.44:290.99:460.09:370.56:336:24Full Moon10Fri
11Sat3:541.44:291.010:380.310:270.16:326:25Full Moon11Sat
12Sun6:151.45:381.112:300.67:317:26Waning Gibbous12Sun
13Mon7:421.45:521.212:15-0.11:240.97:307:26Waning Gibbous13Mon
14Tue9:321.46:061.31:03-0.32:281.27:287:27Waning Gibbous14Tue
15Wed1:051.41:52-0.47:277:27Waning Gibbous15Wed
16Thu2:571.52:43-0.47:267:28Third Quarter16Thu
17Fri3:561.53:40-0.27:257:29Third Quarter17Fri
18Sat4:441.44:43-0.17:247:29Third Quarter18Sat
19Sun5:231.45:550.18:471.37:237:30Third Quarter19Sun
20Mon5:511.37:110.29:111.27:217:30Waning Crescent20Mon
21Tue12:481.36:011.28:190.29:351.17:207:31Waning Crescent21Tue
22Wed1:581.35:451.19:110.39:580.97:197:32Waning Crescent22Wed
23Thu3:011.35:091.19:530.410:190.87:187:32Waning Crescent23Thu
24Fri4:021.34:461.110:310.610:400.67:177:33New Moon24Fri
25Sat5:021.34:401.211:090.811:040.47:157:33New Moon25Sat
26Sun6:021.34:401.211:481.011:290.27:147:34New Moon26Sun
27Mon7:031.44:351.312:331.27:137:34New Moon27Mon
28Tue8:131.47:127:35Waxing Crescent28Tue
29Wed1:361.512:31-0.17:117:36Waxing Crescent29Wed
30Thu2:341.61:09-0.27:097:36Waxing Crescent30Thu
31Fri3:261.71:53-0.27:087:37Waxing Crescent31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8771328)

Common Questions About Port Bolivar, TX Tides

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What time does the tide turn (slack tide) in Port Bolivar, TX today?

Slack tide in Port Bolivar, TX is approximately 7:57 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 Port Bolivar, TX?

Port Bolivar, TX is currently in a transitional phase. Tonight's moon is 38% 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 Port Bolivar, 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 Port Bolivar, TX?

Tide predictions for Port Bolivar, 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 Port Bolivar, TX?

Tide data for Port Bolivar, TX is sourced from NOAA Station #8771328. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8771328.

What is the moon phase in Port Bolivar, TX tonight?

Tonight the moon over Port Bolivar, TX is First Quarter (38% illuminated). This places Port Bolivar, 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