Tides Today & Tomorrow in Port Bolivar, TX

TIDE TIMES for Friday, July 17, 2026
The tide is currently rising in Port Bolivar, TX.
Next low tide : 2:15 pm (1.0 ft)
Next high tide : in 4h 56m at 10:57 am (1.0 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 6:30 am
Moon phase : Waxing Crescent (15% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Oct 2065

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:161.97:112.011:290.311:321.87:127:04New Moon1Thu
2Fri4:222.012:130.17:137:03Waxing Crescent2Fri
3Sat4:182.11:010.07:137:01Waxing Crescent3Sat
4Sun3:222.21:560.07:147:00Waxing Crescent4Sun
5Mon3:182.32:590.17:156:59First Quarter5Mon
6Tue3:492.34:120.37:156:58First Quarter6Tue
7Wed4:192.25:350.47:166:57First Quarter7Wed
8Thu4:392.110:44 AM1.98:411.96:570.67:166:56Waxing Gibbous8Thu
9Fri4:441.912:361.98:481.78:060.77:176:54Waxing Gibbous9Fri
10Sat4:301.82:051.99:111.58:580.97:176:53Waxing Gibbous10Sat
11Sun4:051.73:231.99:371.29:401.17:186:52Waxing Gibbous11Sun
12Mon3:461.74:361.810:020.910:161.37:196:51Full Moon12Mon
13Tue3:411.85:461.810:270.710:501.57:196:50Full Moon13Tue
14Wed3:451.96:591.910:520.511:251.77:206:49Full Moon14Wed
15Thu3:521.98:481.911:180.311:591.97:216:48Full Moon15Thu
16Fri3:491.911:470.37:216:47Waning Gibbous16Fri
17Sat1:002.012:190.37:226:46Waning Gibbous17Sat
18Sun1:342.112:560.37:226:45Waning Gibbous18Sun
19Mon2:172.11:400.47:236:44Waning Gibbous19Mon
20Tue2:592.12:320.57:246:43Third Quarter20Tue
21Wed3:392.13:320.57:246:42Third Quarter21Wed
22Thu4:122.14:390.67:256:41Third Quarter22Thu
23Fri4:312.05:460.77:266:40Third Quarter23Fri
24Sat4:131.86:480.87:266:39Waning Crescent24Sat
25Sun3:071.71:211.68:491.37:431.07:276:38Waning Crescent25Sun
26Mon2:301.72:511.78:451.08:341.27:286:37Waning Crescent26Mon
27Tue2:251.74:081.89:070.69:231.47:296:36Waning Crescent27Tue
28Wed2:301.85:221.99:390.210:111.77:296:35New Moon28Wed
29Thu2:411.96:412.010:17-0.110:501.97:306:35New Moon29Thu
30Fri2:522.010:59-0.37:316:34New Moon30Fri
31Sat2:592.111:47-0.47:316:33Waxing 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 12:36 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 15% 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 Waxing Crescent (15% 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