Tides Today & Tomorrow in Port Bolivar, TX

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in Port Bolivar, TX.
Next low tide (tomorrow) : 1:41 am (0.0 ft)
Next high tide : in 10h 04m at 11:51 am (1.1 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:24 am
Moon phase : Waning Gibbous (80% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Feb 2007

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:261.09:35-0.87:085:57Full Moon1Thu
2Fri2:241.010:24-0.77:075:57Full Moon2Fri
3Sat3:170.99:050.611:05-0.611:460.67:075:58Full Moon3Sat
4Sun4:110.88:070.611:40-0.47:065:59Waning Gibbous4Sun
5Mon5:120.67:330.612:370.412:10-0.27:056:00Waning Gibbous5Mon
6Tue6:280.57:210.61:170.212:330.17:056:01Waning Gibbous6Tue
7Wed8:090.47:150.71:510.012:280.37:046:02Waning Gibbous7Wed
8Thu6:520.72:24-0.37:036:02Third Quarter8Thu
9Fri4:060.92:59-0.57:026:03Third Quarter9Fri
10Sat4:211.03:38-0.67:026:04Third Quarter10Sat
11Sun5:031.14:22-0.77:016:05Third Quarter11Sun
12Mon5:551.25:13-0.77:006:06Waning Crescent12Mon
13Tue6:571.26:10-0.86:596:06Waning Crescent13Tue
14Wed8:111.27:10-0.86:596:07Waning Crescent14Wed
15Thu8:10-0.86:586:08Waning Crescent15Thu
16Fri12:091.29:06-0.86:576:09New Moon16Fri
17Sat1:441.29:57-0.76:566:09New Moon17Sat
18Sun3:051.16:280.710:46-0.510:460.56:556:10New Moon18Sun
19Mon4:271.06:140.711:32-0.211:460.26:546:11Waxing Crescent19Mon
20Tue5:541.06:160.812:170.26:536:12Waxing Crescent20Tue
21Wed7:330.96:220.912:40-0.21:030.56:526:12Waxing Crescent21Wed
22Thu10:030.96:261.01:31-0.51:500.96:516:13First Quarter22Thu
23Fri2:381.12:24-0.76:506:14First Quarter23Fri
24Sat3:291.33:19-0.86:496:14First Quarter24Sat
25Sun4:221.34:19-0.76:486:15First Quarter25Sun
26Mon5:151.35:26-0.66:476:16Waxing Gibbous26Mon
27Tue6:051.26:39-0.58:511.26:466:17Waxing Gibbous27Tue
28Wed6:461.17:50-0.49:051.16:456:17Waxing Gibbous28Wed
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 6:46 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 80% 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 Gibbous (80% 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