Tides Today & Tomorrow in Port Bolivar, TX

TIDE TIMES for Thursday, July 30, 2026
The tide is currently falling in Port Bolivar, TX.
Next low tide : in 1h 43m at 11:36 pm (-0.2 ft)
Next high tide (tomorrow) : 10:12 am (1.2 ft)
Sunset today : 8:12 pm
Sunrise tomorrow : 6:38 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Jan 2081

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:150.69:580.73:410.42:57-0.17:135:32Third Quarter1Wed
2Thu11:010.59:570.74:30-0.14:010.37:135:33Third Quarter2Thu
3Fri2:180.75:13-0.55:290.67:135:33Third Quarter3Fri
4Sat4:130.95:53-0.87:200.97:145:34Waning Crescent4Sat
5Sun5:191.06:32-1.07:145:35Waning Crescent5Sun
6Mon6:181.17:11-1.17:145:36Waning Crescent6Mon
7Tue7:191.07:52-1.17:145:36Waning Crescent7Tue
8Wed8:281.08:34-1.07:145:37New Moon8Wed
9Thu9:19-0.97:145:38New Moon9Thu
10Fri1:360.910:04-0.87:145:39New Moon10Fri
11Sat2:020.911:300.810:48-0.87:145:40New Moon11Sat
12Sun11:320.711:29-0.77:145:40Waxing Crescent12Sun
13Mon10:490.612:06-0.57:145:41Waxing Crescent13Mon
14Tue9:330.612:37-0.47:145:42Waxing Crescent14Tue
15Wed5:450.48:530.53:360.312:56-0.17:145:43Waxing Crescent15Wed
16Thu8:140.28:330.63:310.112:370.17:135:44First Quarter16Thu
17Fri8:070.63:48-0.27:135:45First Quarter17Fri
18Sat5:560.84:15-0.57:135:45First Quarter18Sat
19Sun5:380.94:49-0.87:135:46First Quarter19Sun
20Mon6:121.15:31-1.07:125:47Waxing Gibbous20Mon
21Tue7:071.16:18-1.27:125:48Waxing Gibbous21Tue
22Wed8:221.27:12-1.37:125:49Waxing Gibbous22Wed
23Thu10:551.28:09-1.37:115:50Full Moon23Thu
24Fri9:09-1.37:115:51Full Moon24Fri
25Sat1:131.210:08-1.27:115:51Full Moon25Sat
26Sun2:391.111:05-1.17:105:52Full Moon26Sun
27Mon4:021.08:240.611:59-0.87:105:53Waning Gibbous27Mon
28Tue5:310.87:590.512:110.412:50-0.47:095:54Waning Gibbous28Tue
29Wed7:140.77:560.61:260.11:400.07:095:55Waning Gibbous29Wed
30Thu9:290.68:010.72:27-0.32:300.47:085:56Third Quarter30Thu
31Fri1:420.73:20-0.63:450.77:085:56Third Quarter31Fri
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 4:54 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 spring phase. Tonight's moon is 99% 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 Full Moon (99% 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