Tides Today & Tomorrow in Port Aransas, TX

TIDE TIMES for Wednesday, August 19, 2026
The tide is currently falling in Port Aransas, TX.
Next low tide : in 32m at 3:19 pm (0.1 ft)
Next high tide (tomorrow) : 4:11 am (1.1 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 7:02 am
Moon phase : First Quarter (46% illuminated)
Tide Station Location : Station #8775237
Common Questions About Tides

Port Aransas, TX Tides - Aug 1931

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:550.76:528:19Waning Gibbous1Sat
2Sun7:170.75:030.712:150.11:110.66:538:18Waning Gibbous2Sun
3Mon7:170.76:290.612:500.21:460.46:538:18Waning Gibbous3Mon
4Tue7:150.710:290.61:200.42:220.36:548:17Third Quarter4Tue
5Wed6:570.71:340.63:020.26:548:16Third Quarter5Wed
6Thu5:510.83:460.06:558:15Third Quarter6Thu
7Fri4:470.94:36-0.16:558:15Third Quarter7Fri
8Sat4:591.05:30-0.26:568:14Waning Crescent8Sat
9Sun5:331.16:25-0.36:568:13Waning Crescent9Sun
10Mon6:201.17:17-0.36:578:12Waning Crescent10Mon
11Tue7:201.28:07-0.46:578:11Waning Crescent11Tue
12Wed8:471.28:57-0.36:588:11New Moon12Wed
13Thu12:281.19:47-0.26:588:10New Moon13Thu
14Fri2:211.110:40-0.16:598:09New Moon14Fri
15Sat3:511.011:360.17:008:08Waxing Crescent15Sat
16Sun5:540.85:151.012:080.67:008:07Waxing Crescent16Sun
17Mon5:570.86:520.912:310.41:040.47:018:06Waxing Crescent17Mon
18Tue6:030.910:010.91:240.61:560.27:018:05Waxing Crescent18Tue
19Wed6:021.02:130.92:480.07:028:04First Quarter19Wed
20Thu4:261.13:44-0.17:028:03First Quarter20Thu
21Fri3:551.24:48-0.17:038:02First Quarter21Fri
22Sat4:391.35:54-0.17:038:01Waxing Gibbous22Sat
23Sun5:251.36:56-0.17:048:00Waxing Gibbous23Sun
24Mon6:141.37:50-0.17:047:59Waxing Gibbous24Mon
25Tue7:101.28:380.07:047:58Waxing Gibbous25Tue
26Wed12:131.29:210.17:057:57Full Moon26Wed
27Thu1:321.110:000.27:057:56Full Moon27Thu
28Fri2:441.110:380.47:067:55Full Moon28Fri
29Sat5:230.93:491.19:140.911:170.57:067:54Full Moon29Sat
30Sun5:230.94:501.010:510.811:570.67:077:53Waning Gibbous30Sun
31Mon5:271.05:541.011:520.67:077:52Waning Gibbous31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8775237)

Common Questions About Port Aransas, TX Tides

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

Slack tide in Port Aransas, TX is approximately 9:45 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 Aransas, TX?

Port Aransas, TX is currently in a neap phase. Tonight's moon is 46% 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 minimum.

What datum are Port Aransas, 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 Aransas, TX?

Tide predictions for Port Aransas, 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 Aransas, TX?

Tide data for Port Aransas, TX is sourced from NOAA Station #8775237. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8775237.

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

Tonight the moon over Port Aransas, TX is First Quarter (46% illuminated). This places Port Aransas, TX in a neap tide cycle, so tidal ranges are near their weekly minimum 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