Tides Today & Tomorrow in Port Bolivar, TX

TIDE TIMES for Monday, August 3, 2026
The tide is currently rising in Port Bolivar, TX.
Next low tide : 3:10 pm (0.3 ft)
Next high tide : in 2h 01m at 8:11 am (1.1 ft)
Sunset today : 8:09 pm
Sunrise tomorrow : 6:40 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Mar 2087

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:04-0.36:436:18Waning Crescent1Sat
2Sun12:151.17:59-0.36:426:19Waning Crescent2Sun
3Mon1:291.24:330.98:49-0.28:510.76:416:20New Moon3Mon
4Tue2:371.24:240.99:380.09:390.56:406:20New Moon4Tue
5Wed3:451.24:350.910:250.210:280.26:396:21New Moon5Wed
6Thu4:541.24:541.011:120.411:170.06:386:21Waxing Crescent6Thu
7Fri6:081.25:181.111:590.76:376:22Waxing Crescent7Fri
8Sat7:311.25:441.212:08-0.212:470.96:366:23Waxing Crescent8Sat
9Sun10:421.17:131.21:01-0.42:391.17:347:23Waxing Crescent9Sun
10Mon7:531.32:58-0.47:337:24First Quarter10Mon
11Tue4:011.34:00-0.36:561.37:327:25First Quarter11Tue
12Wed4:421.35:08-0.37:501.27:317:25First Quarter12Wed
13Thu5:151.36:21-0.18:271.27:307:26Waxing Gibbous13Thu
14Fri12:021.35:381.27:350.09:011.17:297:27Waxing Gibbous14Fri
15Sat1:211.35:431.18:410.19:330.97:287:27Waxing Gibbous15Sat
16Sun2:311.35:301.09:350.210:040.87:267:28Waxing Gibbous16Sun
17Mon3:351.35:111.010:210.410:340.67:257:28Full Moon17Mon
18Tue4:331.35:041.111:000.511:020.57:247:29Full Moon18Tue
19Wed5:291.35:111.111:380.711:310.37:237:30Full Moon19Wed
20Thu6:231.35:241.212:160.87:227:30Full Moon20Thu
21Fri7:181.25:381.212:000.212:571.07:207:31Waning Gibbous21Fri
22Sat8:191.25:451.212:320.11:471.17:197:31Waning Gibbous22Sat
23Sun1:461.31:070.17:187:32Waning Gibbous23Sun
24Mon2:511.41:460.17:177:32Waning Gibbous24Mon
25Tue3:411.42:300.17:167:33Third Quarter25Tue
26Wed4:271.53:210.17:157:34Third Quarter26Wed
27Thu5:111.54:190.27:137:34Third Quarter27Thu
28Fri5:491.45:220.27:127:35Third Quarter28Fri
29Sat5:551.36:280.38:531.37:117:35Waning Crescent29Sat
30Sun12:051.34:141.27:320.38:261.17:107:36Waning Crescent30Sun
31Mon1:371.43:301.28:320.48:530.87:097:37Waning Crescent31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8771328)

Common Questions About Port Bolivar, TX Tides

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

Slack tide in Port Bolivar, TX is approximately 11:40 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 75% 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 Waning Gibbous (75% 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