Tides Today & Tomorrow in Clear Lake, Galveston Bay, TX

TIDE TIMES for Friday, July 31, 2026
The tide is currently falling in Clear Lake, Galveston Bay, TX.
Next low tide (tomorrow) : in 9h 23m at 5:37 am (-0.1 ft)
Next high tide (tomorrow) : 2:10 pm (0.8 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 6:39 am
Moon phase : Waning Gibbous (96% illuminated)
Tide Station Location : Station #8770933
Common Questions About Tides

Clear Lake, Galveston Bay, TX Tides - Oct 2078

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:241.512:230.37:137:05Waning Crescent1Sat
2Sun10:421.41:230.37:147:04Waning Crescent2Sun
3Mon10:351.38:021.12:100.55:001.17:157:03Waning Crescent3Mon
4Tue10:201.39:581.12:470.64:140.97:157:01New Moon4Tue
5Wed10:091.211:291.23:200.84:170.87:167:00New Moon5Wed
6Thu9:071.23:511.04:380.67:166:59New Moon6Thu
7Fri1:061.27:53 AM1.34:241.25:000.57:176:58New Moon7Fri
8Sat7:301.35:210.47:176:57Waxing Crescent8Sat
9Sun7:401.45:400.47:186:56Waxing Crescent9Sun
10Mon5:121.46:060.47:196:55Waxing Crescent10Mon
11Tue5:531.56:540.47:196:53Waxing Crescent11Tue
12Wed6:431.68:110.47:206:52First Quarter12Wed
13Thu7:371.69:350.37:206:51First Quarter13Thu
14Fri8:271.710:500.27:216:50First Quarter14Fri
15Sat9:091.711:560.27:226:49First Quarter15Sat
16Sun9:371.67:226:48Waxing Gibbous16Sun
17Mon9:441.512:540.37:236:47Waxing Gibbous17Mon
18Tue9:421.47:541.31:500.42:361.17:246:46Waxing Gibbous18Tue
19Wed9:351.29:521.42:440.72:560.87:246:45Full Moon19Wed
20Thu8:381.111:221.53:420.93:240.67:256:44Full Moon20Thu
21Fri3:550.37:266:43Full Moon21Fri
22Sat12:481.64:310.27:266:42Full Moon22Sat
23Sun2:271.65:130.17:276:41Waning Gibbous23Sun
24Mon4:241.76:060.17:286:40Waning Gibbous24Mon
25Tue5:481.77:110.27:286:39Waning Gibbous25Tue
26Wed6:591.78:260.27:296:38Third Quarter26Wed
27Thu7:531.69:420.37:306:37Third Quarter27Thu
28Fri8:301.610:510.37:316:36Third Quarter28Fri
29Sat8:531.511:500.47:316:36Waning Crescent29Sat
30Sun8:571.47:326:35Waning Crescent30Sun
31Mon8:381.38:071.012:380.63:420.97:336:34Waning Crescent31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8770933)

Common Questions About Clear Lake, Galveston Bay, TX Tides

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What time does the tide turn (slack tide) in Clear Lake, Galveston Bay, TX today?

Slack tide in Clear Lake, Galveston Bay, TX is approximately 9:53 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 Clear Lake, Galveston Bay, TX?

Clear Lake, Galveston Bay, TX is currently in a spring phase. Tonight's moon is 96% 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 Clear Lake, Galveston Bay, 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 Clear Lake, Galveston Bay, TX?

Tide predictions for Clear Lake, Galveston Bay, 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 Clear Lake, Galveston Bay, TX?

Tide data for Clear Lake, Galveston Bay, TX is sourced from NOAA Station #8770933. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8770933.

What is the moon phase in Clear Lake, Galveston Bay, TX tonight?

Tonight the moon over Clear Lake, Galveston Bay, TX is Waning Gibbous (96% illuminated). This places Clear Lake, Galveston Bay, 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