Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Saturday, August 8, 2026
The tide is currently falling in Galveston Pier 21, TX.

Next low tide : in 3h 03m at 7:10 pm (-0.5 ft)
Next high tide (tomorrow) : 4:54 am (1.7 ft)
Sunset today : 8:05 pm
Sunrise tomorrow : 6:43 am
Moon phase : Waning Crescent (22% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Feb 1957

< Jan 1957

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Mar 1957 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Fri	3:31	0.6	6:10	0.7	10:43	-0.4	11:15	0.3	7:08	5:57		1	Fri
2	Sat	4:27	0.6	6:28	0.7	11:10	-0.3			7:07	5:58		2	Sat
3	Sun	5:28	0.5	6:43	0.6	12:11	0.2	11:37 AM	-0.1	7:07	5:59		3	Sun
4	Mon	6:41	0.4	6:54	0.6	1:05	0.1	12:04	0.1	7:06	5:59		4	Mon
5	Tue	8:17	0.4	7:01	0.6	1:55	0.0	12:31	0.3	7:05	6:00		5	Tue
6	Wed	10:19	0.5	7:08	0.7	2:42	-0.2	12:58	0.4	7:05	6:01		6	Wed
7	Thu			7:14	0.7	3:30	-0.3			7:04	6:02		7	Thu
8	Fri			7:18	0.8	4:22	-0.4			7:03	6:03		8	Fri
9	Sat			7:20	0.8	5:17	-0.6			7:03	6:04		9	Sat
10	Sun			3:08	0.9	6:14	-0.7	6:46	0.8	7:02	6:04		10	Sun
11	Mon			3:32	0.9	7:09	-0.8	7:16	0.8	7:01	6:05		11	Mon
12	Tue			3:58	0.9	8:01	-0.8	7:55	0.7	7:00	6:06		12	Tue
13	Wed	1:00	1.0	4:25	0.9	8:50	-0.8	8:39	0.5	6:59	6:07		13	Wed
14	Thu	2:20	1.0	4:52	0.8	9:38	-0.7	9:28	0.4	6:59	6:07		14	Thu
15	Fri	3:35	1.0	5:19	0.8	10:25	-0.5	10:22	0.2	6:58	6:08		15	Fri
16	Sat	4:46	1.0	5:46	0.8	11:12	-0.2	11:23	0.0	6:57	6:09		16	Sat
17	Sun	5:59	0.9	6:12	0.7			12:00	0.0	6:56	6:10		17	Sun
18	Mon	7:17	0.8	6:37	0.7	12:28	-0.2	12:49	0.3	6:55	6:10		18	Mon
19	Tue	8:46	0.8	6:59	0.8	1:34	-0.3	1:41	0.5	6:54	6:11		19	Tue
20	Wed	10:29	0.8	7:08	0.8	2:40	-0.4	2:35	0.7	6:53	6:12		20	Wed
21	Thu			12:25	0.8	3:46	-0.4			6:52	6:13		21	Thu
22	Fri			3:36	0.9	4:54	-0.4			6:51	6:13		22	Fri
23	Sat			4:09	0.9	5:59	-0.4			6:50	6:14		23	Sat
24	Sun			4:08	0.9	6:58	-0.4			6:49	6:15		24	Sun
25	Mon			3:58	0.8	7:47	-0.4	9:04	0.7	6:48	6:15		25	Mon
26	Tue	12:32	0.8	4:06	0.8	8:27	-0.3	8:51	0.7	6:47	6:16		26	Tue
27	Wed	1:36	0.8	4:20	0.8	9:00	-0.2	9:04	0.6	6:46	6:17		27	Wed
28	Thu	2:32	0.8	4:35	0.8	9:30	-0.2	9:30	0.5	6:45	6:17		28	Thu
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8771450)

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What time does the tide turn (slack tide) in Galveston Pier 21, TX today?

Slack tide in Galveston Pier 21, TX is approximately 12:02 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 Galveston Pier 21, TX?

Galveston Pier 21, TX is currently in a transitional phase. Tonight's moon is 22% 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 Galveston Pier 21, 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 Galveston Pier 21, TX?

Tide predictions for Galveston Pier 21, 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 Galveston Pier 21, TX?

Tide data for Galveston Pier 21, TX is sourced from NOAA Station #8771450. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8771450.

What is the moon phase in Galveston Pier 21, TX tonight?

Tonight the moon over Galveston Pier 21, TX is Waning Crescent (22% illuminated). This places Galveston Pier 21, 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

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