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 5h 08m at 6:07 pm (0.4 ft)
Next high tide (tomorrow) : 12:06 am (0.9 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 - Oct 2023

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:111.88:052.012:081.412:100.47:127:05Waning Gibbous1Sun
2Mon5:121.911:562.012:551.812:540.27:127:04Waning Gibbous2Mon
3Tue4:472.02:152.01:390.17:137:02Waning Gibbous3Tue
4Wed2:062.22:260.17:137:01Third Quarter4Wed
5Thu2:542.23:190.37:147:00Third Quarter5Thu
6Fri3:382.24:200.47:156:59Third Quarter6Fri
7Sat4:182.25:320.67:156:58Third Quarter7Sat
8Sun4:542.16:480.77:166:57Waning Crescent8Sun
9Mon5:192.012:161.89:541.77:530.77:166:55Waning Crescent9Mon
10Tue5:281.91:341.89:591.68:430.87:176:54Waning Crescent10Tue
11Wed5:121.82:401.810:091.59:230.97:186:53Waning Crescent11Wed
12Thu4:421.83:431.810:201.39:571.17:186:52Waning Crescent12Thu
13Fri4:241.84:461.810:351.010:281.37:196:51New Moon13Fri
14Sat4:171.85:501.810:550.810:541.57:196:50New Moon14Sat
15Sun4:141.97:011.811:190.510:581.77:206:49New Moon15Sun
16Mon4:001.911:470.37:216:48Waxing Crescent16Mon
17Tue3:012.012:190.27:216:47Waxing Crescent17Tue
18Wed2:112.112:570.17:226:46Waxing Crescent18Wed
19Thu2:362.21:420.17:236:45Waxing Crescent19Thu
20Fri3:152.32:370.17:236:44First Quarter20Fri
21Sat3:562.33:440.27:246:43First Quarter21Sat
22Sun4:342.35:010.37:256:42First Quarter22Sun
23Mon5:012.16:210.47:256:41First Quarter23Mon
24Tue4:582.07:340.57:266:40Waxing Gibbous24Tue
25Wed4:181.81:341.89:041.58:370.77:276:39Waxing Gibbous25Wed
26Thu3:441.73:081.89:181.19:321.07:276:38Waxing Gibbous26Thu
27Fri3:321.74:331.99:470.710:231.37:286:37Full Moon27Fri
28Sat3:321.85:591.910:220.311:121.67:296:36Full Moon28Sat
29Sun3:361.97:372.010:580.07:296:35Full Moon29Sun
30Mon3:382.010:292.012:051.811:36 AM-0.17:306:34Waning Gibbous30Mon
31Tue12:16-0.27:316:34Waning Gibbous31Tue
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 9:06 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 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