Tides Today & Tomorrow in Port Bolivar, TX

TIDE TIMES for Friday, July 10, 2026
The tide is currently rising in Port Bolivar, TX.
Next low tide : 7:18 pm (-1.0 ft)
Next high tide : in 6h 23m at 7:15 am (1.4 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:27 am
Moon phase : Waning Crescent (19% illuminated)
Tide Station Location : Station #8771328
Common Questions About Tides

Port Bolivar, TX Tides - Jul 2026

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed11:411.411:50-0.46:238:22Full Moon1Wed
2Thu12:171.36:238:22Waning Gibbous2Thu
3Fri12:291.212:32-0.36:248:22Waning Gibbous3Fri
4Sat11:511.11:10-0.26:248:22Waning Gibbous4Sat
5Sun10:381.01:410.06:248:22Waning Gibbous5Sun
6Mon10:071.011:040.62:020.35:180.36:258:22Third Quarter6Mon
7Tue9:551.11:440.65:29-0.16:258:22Third Quarter7Tue
8Wed9:441.15:57-0.46:268:22Third Quarter8Wed
9Thu9:011.36:35-0.76:268:22Waning Crescent9Thu
10Fri7:151.47:18-1.06:278:21Waning Crescent10Fri
11Sat7:491.68:08-1.16:278:21Waning Crescent11Sat
12Sun8:531.69:02-1.16:288:21Waning Crescent12Sun
13Mon10:251.610:00-1.06:288:21New Moon13Mon
14Tue1:261.610:59-0.96:298:20New Moon14Tue
15Wed3:071.511:59-0.76:298:20New Moon15Wed
16Thu4:361.36:308:20Waxing Crescent16Thu
17Fri10:571.06:131.112:56-0.42:151.06:308:19Waxing Crescent17Fri
18Sat10:030.98:070.91:49-0.13:230.66:318:19Waxing Crescent18Sat
19Sun9:401.010:350.82:370.34:140.36:328:18First Quarter19Sun
20Mon9:341.03:230.64:560.06:328:18First Quarter20Mon
21Tue9:381.15:32-0.36:338:18First Quarter21Tue
22Wed4:321.29:42 AM1.26:461.26:06-0.56:338:17First Quarter22Wed
23Thu5:151.46:41-0.66:348:17Waxing Gibbous23Thu
24Fri5:581.47:19-0.66:348:16Waxing Gibbous24Fri
25Sat6:451.47:59-0.66:358:15Waxing Gibbous25Sat
26Sun7:381.48:44-0.56:368:15Waxing Gibbous26Sun
27Mon8:361.49:29-0.56:368:14Full Moon27Mon
28Tue9:341.410:15-0.46:378:14Full Moon28Tue
29Wed10:231.310:57-0.36:378:13Full Moon29Wed
30Thu10:461.311:36-0.26:388:12Full Moon30Thu
31Fri10:121.26:388:12Waning Gibbous31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8771328)

Common Questions About Port Bolivar, TX Tides

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When is the lowest tide this week in Port Bolivar, TX?

The lowest tide this week in Port Bolivar, TX is -1.1 ft on Sunday, Jul 12 at 9:02 pm.

When is the highest tide this week in Port Bolivar, TX?

The highest tide this week in Port Bolivar, TX is 1.6 ft on Sunday, Jul 12 at 8:53 am — worth noting for launching your boat and being alert for possible high tide flooding.

What time does the tide turn (slack tide) in Port Bolivar, TX today?

Slack tide in Port Bolivar, TX is approximately 1:16 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 19% 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 time is high tide in Port Bolivar, TX today?

High tides in Port Bolivar, TX today: 7:15 am (1.4 ft).

What time is low tide in Port Bolivar, TX today?

Low tides in Port Bolivar, TX today: 7:18 pm (-1.0 ft). The 7:18 pm low of -1.0 ft is a minus tide — water below the MLLW reference datum, which can expose tidepools, mudflats, and shellfish beds not normally accessible.

What is the tidal range in Port Bolivar, TX today?

Today's tidal range in Port Bolivar, TX is 2.4 ft — the difference between the day's highest and lowest water level. This month's average daily range is about 1.6 ft, so today's swing is above-average.

What is the moon phase in Port Bolivar, TX tonight?

Tonight the moon over Port Bolivar, TX is Waning Crescent (19% illuminated). This places Port Bolivar, TX in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

What type of tides does Port Bolivar, TX have — semi-diurnal, diurnal, or mixed?

Port Bolivar, TX has diurnal tides — one high tide and one low tide per day, roughly every 24 hours and 50 minutes.

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