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

TIDE TIMES for Friday, September 25, 2026
The tide is currently rising in Clear Lake, Galveston Bay, TX.

Next low tide : 3:23 pm (0.9 ft)
Next high tide : in 6h 35m at 10:15 am (1.2 ft)
Sunset today : 7:13 pm
Sunrise tomorrow : 7:10 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8770933
Common Questions About Tides

Clear Lake, Galveston Bay, TX Tides - Sep 1962

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Oct 1962 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Sat			12:40	0.9	4:59	0.4	6:12	0.7	6:57	7:43		1	Sat
2	Sun			12:00	0.9	5:26	0.5	6:41	0.6	6:57	7:41		2	Sun
3	Mon	12:35	0.8	11:42 AM	0.9	6:03	0.6	7:12	0.5	6:58	7:40		3	Mon
4	Tue	2:44	0.8	11:28 AM	0.9	7:08	0.8	7:47	0.4	6:59	7:39		4	Tue
5	Wed	4:07	1.0	11:10 AM	0.9	8:32	0.9	8:31	0.3	6:59	7:38		5	Wed
6	Thu	5:28	1.1					9:27	0.2	7:00	7:37		6	Thu
7	Fri	6:54	1.2					10:32	0.1	7:00	7:36		7	Fri
8	Sat	8:20	1.3					11:40	0.1	7:01	7:34		8	Sat
9	Sun	9:31	1.3							7:01	7:33		9	Sun
10	Mon	10:29	1.3			12:45	0.0			7:02	7:32		10	Mon
11	Tue	11:18	1.3			1:46	0.0			7:02	7:31		11	Tue
12	Wed	11:48	1.2	6:18	1.2	2:41	0.0	3:17	1.1	7:03	7:29		12	Wed
13	Thu	11:52	1.1	8:19	1.1	3:32	0.2	3:45	1.0	7:03	7:28		13	Thu
14	Fri	11:54	1.0	9:58	1.1	4:18	0.3	4:20	0.8	7:04	7:27		14	Fri
15	Sat	11:49	0.9	11:46	1.1	5:03	0.5	4:58	0.7	7:04	7:26		15	Sat
16	Sun	10:50	0.9			5:48	0.7	5:39	0.5	7:05	7:25		16	Sun
17	Mon	1:25	1.2	9:57 AM	1.0	6:36	0.9	6:23	0.4	7:05	7:23		17	Mon
18	Tue	2:59	1.2					7:13	0.3	7:06	7:22		18	Tue
19	Wed	5:25	1.3					8:10	0.3	7:06	7:21		19	Wed
20	Thu	7:05	1.4					9:15	0.3	7:07	7:20		20	Thu
21	Fri	8:07	1.4					10:25	0.3	7:07	7:18		21	Fri
22	Sat	8:59	1.4					11:37	0.3	7:08	7:17		22	Sat
23	Sun	9:45	1.4							7:09	7:16		23	Sun
24	Mon	10:24	1.4			12:44	0.4			7:09	7:15		24	Mon
25	Tue	10:53	1.3			1:40	0.5			7:10	7:13		25	Tue
26	Wed	10:57	1.2			2:20	0.6			7:10	7:12		26	Wed
27	Thu	10:45	1.2	9:48	1.0	2:50	0.7	5:57	0.9	7:11	7:11		27	Thu
28	Fri	10:43	1.2	10:53	1.0	3:16	0.8	4:23	0.9	7:11	7:10		28	Fri
29	Sat	9:55	1.1	11:50	1.0	3:41	0.9	4:43	0.8	7:12	7:09		29	Sat
30	Sun	9:26	1.2			4:09	0.9	5:07	0.7	7:12	7:07		30	Sun
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8770933)

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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 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 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 Full Moon (99% 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

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