Tides Today & Tomorrow in Port Aransas, TX

TIDE TIMES for Sunday, August 16, 2026
The tide is currently falling in Port Aransas, TX.

Next low tide : in 38m at 12:41 am (0.5 ft)
Next high tide : 5:48 am (0.8 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 7:01 am
Moon phase : Waxing Crescent (19% illuminated)
Tide Station Location : Station #8775237
Common Questions About Tides

Port Aransas, TX Tides - Nov 1937

< Oct 1937

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Dec 1937 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Mon			3:19	1.4	7:45	0.5	9:12	1.3	6:40	5:46		1	Mon
2	Tue	12:09	1.3	4:04	1.5	8:10	0.5			6:41	5:45		2	Tue
3	Wed			4:43	1.5	8:37	0.4			6:41	5:45		3	Wed
4	Thu			5:22	1.4	9:08	0.4			6:42	5:44		4	Thu
5	Fri			10:11	1.4	9:45	0.4			6:43	5:43		5	Fri
6	Sat			10:59	1.4	10:26	0.4			6:43	5:43		6	Sat
7	Sun			11:39	1.4	11:11	0.4			6:44	5:42		7	Sun
8	Mon					11:57	0.4			6:45	5:41		8	Mon
9	Tue	12:00	1.4	11:33	1.3			12:43	0.5	6:46	5:41		9	Tue
10	Wed			10:50	1.2			1:30	0.6	6:46	5:40		10	Wed
11	Thu			10:30	1.2			2:23	0.7	6:47	5:40		11	Thu
12	Fri	8:38	1.0	10:27	1.2	6:37	1.0	3:36	0.8	6:48	5:39		12	Fri
13	Sat	10:58	1.1	10:33	1.2	5:39	0.8	5:20	0.9	6:49	5:39		13	Sat
14	Sun			12:36	1.1	5:53	0.6	6:39	1.0	6:49	5:38		14	Sun
15	Mon			2:10	1.3	6:21	0.4	7:42	1.1	6:50	5:38		15	Mon
16	Tue			3:21	1.3	6:55	0.2	8:44	1.2	6:51	5:37		16	Tue
17	Wed			4:22	1.4	7:34	0.0			6:52	5:37		17	Wed
18	Thu			6:55	1.4	8:18	-0.1			6:52	5:37		18	Thu
19	Fri			9:05	1.4	9:06	-0.2			6:53	5:36		19	Fri
20	Sat			10:04	1.4	10:00	-0.2			6:54	5:36		20	Sat
21	Sun			10:46	1.3	10:57	-0.1			6:55	5:36		21	Sun
22	Mon			11:12	1.2	11:54	0.0			6:55	5:36		22	Mon
23	Tue			11:10	1.1			12:50	0.2	6:56	5:35		23	Tue
24	Wed			10:05	1.0			1:46	0.4	6:57	5:35		24	Wed
25	Thu	8:26	0.9	9:46	1.0	4:50	0.8	2:51	0.6	6:58	5:35		25	Thu
26	Fri	10:41	0.9	9:54	0.9	5:24	0.6	4:50	0.7	6:59	5:35		26	Fri
27	Sat			12:54	0.9	5:57	0.4	6:32	0.9	6:59	5:35		27	Sat
28	Sun			3:18	1.0	6:26	0.2	7:39	0.9	7:00	5:35		28	Sun
29	Mon			4:10	1.1	6:54	0.1			7:01	5:35		29	Mon
30	Tue			4:50	1.1	7:20	0.0			7:02	5:34		30	Tue
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8775237)

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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 3:14 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 Aransas, TX?

Port Aransas, 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 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 Waxing Crescent (19% illuminated). This places Port Aransas, 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

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