Tides Today & Tomorrow in Port Bolivar, TX

TIDE TIMES for Friday, July 10, 2026
The tide is currently rising in Port Bolivar, TX.
Next low tide : 7:18 pm (-1.0 ft)
Next high tide : in 6h 23m at 7:15 am (1.4 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:27 am
Moon phase : Waning Crescent (19% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Jul 2057

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:261.310:27-0.66:238:22New Moon1Sun
2Mon10:281.311:06-0.66:238:22New Moon2Mon
3Tue11:241.311:47-0.56:248:22New Moon3Tue
4Wed12:111.36:248:22Waxing Crescent4Wed
5Thu12:411.212:29-0.46:258:22Waxing Crescent5Thu
6Fri12:391.11:12-0.26:258:22Waxing Crescent6Fri
7Sat11:391.01:53-0.16:268:22Waxing Crescent7Sat
8Sun11:001.09:280.62:310.16:020.56:268:22First Quarter8Sun
9Mon10:531.03:060.45:540.26:278:22First Quarter9Mon
10Tue12:210.710:57 AM1.13:300.66:18-0.16:278:21First Quarter10Tue
11Wed11:051.16:52-0.56:288:21Waxing Gibbous11Wed
12Thu11:121.27:33-0.76:288:21Waxing Gibbous12Thu
13Fri7:251.38:18-0.96:298:21Waxing Gibbous13Fri
14Sat8:141.49:07-1.06:298:20Waxing Gibbous14Sat
15Sun9:241.510:00-1.06:308:20Full Moon15Sun
16Mon1:291.510:55-0.96:308:19Full Moon16Mon
17Tue3:011.411:52-0.76:318:19Full Moon17Tue
18Wed4:261.36:318:19Waning Gibbous18Wed
19Thu11:261.15:561.112:51-0.52:391.16:328:18Waning Gibbous19Thu
20Fri10:541.07:390.91:48-0.23:430.86:328:18Waning Gibbous20Fri
21Sat10:341.09:420.82:450.14:350.56:338:17Third Quarter21Sat
22Sun10:301.03:420.45:180.26:348:17Third Quarter22Sun
23Mon12:210.810:37 AM1.14:470.75:550.06:348:16Third Quarter23Mon
24Tue3:121.010:50 AM1.16:140.96:28-0.26:358:16Third Quarter24Tue
25Wed4:431.211:07 AM1.27:561.17:00-0.46:358:15Waning Crescent25Wed
26Thu5:391.37:33-0.56:368:15Waning Crescent26Thu
27Fri6:281.48:09-0.56:368:14Waning Crescent27Fri
28Sat7:181.48:47-0.56:378:13Waning Crescent28Sat
29Sun8:111.49:28-0.56:388:13New Moon29Sun
30Mon9:081.410:10-0.46:388:12New Moon30Mon
31Tue10:051.310:53-0.36:398:11New Moon31Tue
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 1:16 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 Port Bolivar, TX?

Port Bolivar, TX is currently in a spring phase. Tonight's moon is 19% 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 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 Crescent (19% illuminated). This places Port Bolivar, 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