Tides Today & Tomorrow in Port Bolivar, TX

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently rising in Port Bolivar, TX.
Next low tide : 6:46 am (1.2 ft)
Next high tide : in 3h 56m at 4:32 am (1.2 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 6:33 am
Moon phase : First Quarter (62% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Sep 1986

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon7:471.79:110.16:567:41Waning Crescent1Mon
2Tue8:221.71:471.611:371.69:560.26:577:40New Moon2Tue
3Wed8:121.62:541.611:181.510:370.36:577:39New Moon3Wed
4Thu7:091.54:011.611:291.311:120.56:587:38New Moon4Thu
5Fri6:351.55:131.512:011.16:587:36New Moon5Fri
6Sat6:271.56:341.512:380.86:597:35Waxing Crescent6Sat
7Sun6:261.68:121.512:061.01:170.56:597:34Waxing Crescent7Sun
8Mon6:201.712:071.42:000.27:007:33Waxing Crescent8Mon
9Tue5:431.82:460.07:007:32First Quarter9Tue
10Wed4:122.03:38-0.17:017:30First Quarter10Wed
11Thu4:252.14:38-0.17:017:29First Quarter11Thu
12Fri5:032.25:45-0.17:027:28First Quarter12Fri
13Sat5:492.26:570.07:027:27Waxing Gibbous13Sat
14Sun6:342.18:090.17:037:26Waxing Gibbous14Sun
15Mon7:071.91:112.09:581.99:140.27:037:24Waxing Gibbous15Mon
16Tue7:131.82:322.010:051.710:100.47:047:23Full Moon16Tue
17Wed6:441.63:451.910:341.510:550.67:047:22Full Moon17Wed
18Thu6:101.64:561.811:121.211:340.97:057:21Full Moon18Thu
19Fri5:531.66:111.711:500.97:057:19Full Moon19Fri
20Sat5:481.77:391.712:071.212:270.77:067:18Waning Gibbous20Sat
21Sun5:471.812:331.51:030.57:067:17Waning Gibbous21Sun
22Mon5:341.81:380.47:077:16Waning Gibbous22Mon
23Tue2:421.92:160.37:077:14Waning Gibbous23Tue
24Wed2:582.12:580.37:087:13Third Quarter24Wed
25Thu3:342.13:470.47:097:12Third Quarter25Thu
26Fri4:152.24:470.57:097:11Third Quarter26Fri
27Sat4:582.15:540.57:107:10Third Quarter27Sat
28Sun5:392.17:020.57:107:08Waning Crescent28Sun
29Mon6:112.08:020.67:117:07Waning Crescent29Mon
30Tue6:201.91:131.810:401.78:520.67:117:06Waning Crescent30Tue
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 5:39 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 transitional phase. Tonight's moon is 62% 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 shifting between spring and neap.

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 (62% illuminated). This places Port Bolivar, TX in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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