Tides Today & Tomorrow in Galveston Pier 21, TX

TIDE TIMES for Friday, September 25, 2026
The tide is currently rising in Galveston Pier 21, TX.

Next low tide : 10:05 am (1.1 ft)
Next high tide : in 3h 30m at 4:32 am (1.6 ft)
Sunset today : 7:12 pm
Sunrise tomorrow : 7:09 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8771450
Common Questions About Tides

Galveston Pier 21, TX Tides - Jan 1865

< Dec 1864

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Feb 1865 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Sun	4:45	0.8	7:51	0.9	12:04	0.7	12:09	-0.4	7:23	5:42		1	Sun
2	Mon	6:10	0.7	8:25	0.9	1:34	0.5	12:59	-0.2	7:23	5:42		2	Mon
3	Tue	8:02	0.6	8:57	0.8	2:46	0.3	1:50	0.1	7:23	5:43		3	Tue
4	Wed	10:11	0.6	9:28	0.8	3:50	0.0	2:45	0.3	7:23	5:44		4	Wed
5	Thu			12:03	0.7	4:50	-0.2	3:56	0.5	7:24	5:44		5	Thu
6	Fri			1:36	0.8	5:48	-0.4	6:16	0.7	7:24	5:45		6	Fri
7	Sat			2:50	0.9	6:42	-0.6	8:06	0.8	7:24	5:46		7	Sat
8	Sun			3:43	1.0	7:31	-0.7	9:07	0.8	7:24	5:47		8	Sun
9	Mon			4:24	1.0	8:17	-0.8	9:39	0.8	7:24	5:48		9	Mon
10	Tue	12:38	0.8	4:59	1.0	8:58	-0.8	9:57	0.8	7:24	5:48		10	Tue
11	Wed	1:27	0.8	5:31	0.9	9:35	-0.8	10:11	0.7	7:24	5:49		11	Wed
12	Thu	2:13	0.8	6:02	0.9	10:10	-0.7	10:34	0.7	7:24	5:50		12	Thu
13	Fri	2:57	0.8	6:33	0.8	10:42	-0.6	11:18	0.6	7:24	5:51		13	Fri
14	Sat	3:43	0.7	7:03	0.8	11:13	-0.5			7:24	5:52		14	Sat
15	Sun	4:32	0.6	7:31	0.7	12:22	0.5	11:42 AM	-0.3	7:24	5:52		15	Sun
16	Mon	5:32	0.5	7:55	0.7	1:29	0.4	12:11	-0.1	7:23	5:53		16	Mon
17	Tue	6:52	0.4	8:11	0.6	2:27	0.2	12:38	0.0	7:23	5:54		17	Tue
18	Wed	9:04	0.3	8:16	0.6	3:19	0.1	1:03	0.2	7:23	5:55		18	Wed
19	Thu			8:15	0.6	4:08	-0.1			7:23	5:56		19	Thu
20	Fri			8:20	0.7	4:55	-0.2			7:22	5:57		20	Fri
21	Sat			8:35	0.7	5:40	-0.4			7:22	5:58		21	Sat
22	Sun			9:08	0.7	6:23	-0.5			7:22	5:58		22	Sun
23	Mon			3:43	0.8	7:05	-0.7	8:06	0.8	7:22	5:59		23	Mon
24	Tue			4:04	0.9	7:45	-0.8	8:14	0.8	7:21	6:00		24	Tue
25	Wed			4:30	0.9	8:25	-0.9	8:28	0.7	7:21	6:01		25	Wed
26	Thu	12:45	0.8	4:58	0.9	9:05	-0.9	8:58	0.6	7:20	6:02		26	Thu
27	Fri	1:57	0.9	5:26	0.8	9:46	-0.9	9:40	0.5	7:20	6:03		27	Fri
28	Sat	3:08	0.8	5:55	0.8	10:29	-0.7	10:31	0.4	7:19	6:03		28	Sat
29	Sun	4:19	0.8	6:24	0.8	11:14	-0.5	11:34	0.2	7:19	6:04		29	Sun
30	Mon	5:34	0.7	6:53	0.7			12:00	-0.3	7:18	6:05		30	Mon
31	Tue	6:57	0.6	7:21	0.7	12:45	0.0	12:49	0.0	7:18	6:06		31	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: (8771450)

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Is this week a spring tide or neap tide in Galveston Pier 21, TX?

Galveston Pier 21, TX is currently in a spring phase. Tonight's moon is 99% 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 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 Full Moon (99% illuminated). This places Galveston Pier 21, 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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