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 3h 18m at 4:14 am (0.3 ft)
Next high tide : 11:41 am (1.0 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:20 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Aug 2024

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu7:221.68:41-0.66:398:11Waning Crescent1Thu
2Fri8:251.59:33-0.56:408:10New Moon2Fri
3Sat9:301.42:011.411:461.410:23-0.46:408:09New Moon3Sat
4Sun2:571.411:10-0.26:418:08New Moon4Sun
5Mon10:431.33:471.312:511.26:428:08New Moon5Mon
6Tue10:181.24:411.21:441.16:428:07Waxing Crescent6Tue
7Wed9:221.15:521.012:260.12:260.96:438:06Waxing Crescent7Wed
8Thu8:441.17:270.912:540.32:550.76:438:05Waxing Crescent8Thu
9Fri8:291.210:020.91:100.63:200.56:448:04Waxing Crescent9Fri
10Sat8:181.212:070.93:460.26:458:03First Quarter10Sat
11Sun7:351.34:160.06:458:02First Quarter11Sun
12Mon4:561.44:51-0.26:468:01First Quarter12Mon
13Tue5:161.65:32-0.36:468:00First Quarter13Tue
14Wed5:561.76:19-0.46:478:00Waxing Gibbous14Wed
15Thu6:481.87:12-0.46:477:59Waxing Gibbous15Thu
16Fri7:491.88:08-0.46:487:58Waxing Gibbous16Fri
17Sat9:021.89:05-0.46:487:57Waxing Gibbous17Sat
18Sun12:271.710:00-0.46:497:56Full Moon18Sun
19Mon2:301.710:53-0.26:507:55Full Moon19Mon
20Tue8:371.43:591.610:461.311:420.06:507:54Full Moon20Tue
21Wed7:321.35:291.512:091.06:517:52Waning Gibbous21Wed
22Thu7:211.37:081.412:300.31:100.76:517:51Waning Gibbous22Thu
23Fri7:241.49:131.41:150.72:040.36:527:50Waning Gibbous23Fri
24Sat7:291.51:591.22:560.06:527:49Third Quarter24Sat
25Sun7:261.63:48-0.26:537:48Third Quarter25Sun
26Mon3:401.84:42-0.36:537:47Third Quarter26Mon
27Tue4:261.95:39-0.36:547:46Third Quarter27Tue
28Wed5:151.96:40-0.26:547:45Waning Crescent28Wed
29Thu6:051.97:44-0.16:557:44Waning Crescent29Thu
30Fri6:541.812:351.710:191.78:450.06:557:43Waning Crescent30Fri
31Sat7:361.71:481.710:301.69:380.26:567:41Waning Crescent31Sat
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 neap phase. Tonight's moon is 48% 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 minimum.

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 (48% illuminated). This places Port Bolivar, TX in a neap tide cycle, so tidal ranges are near their weekly minimum 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