Tides Today & Tomorrow in Point San Quentin, CA

TIDE TIMES for Thursday, August 20, 2026
The tide is currently rising in Point San Quentin, CA.

Next low tide (tomorrow) : 2:21 am (0.8 ft)
Next high tide : in 5h 48m at 6:38 pm (5.5 ft)
Sunset today : 7:56 pm
Sunrise tomorrow : 6:29 am
Moon phase : First Quarter (56% illuminated)
Tide Station Location : Station #9414873
Common Questions About Tides

Point San Quentin, CA Tides - Sep 1950

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Oct 1950 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Fri	4:00	4.4	3:52	5.5	9:29	1.9	10:34	1.2	6:39	7:40		1	Fri
2	Sat	5:04	4.0	4:25	5.4	10:05	2.5	11:32	1.1	6:40	7:38		2	Sat
3	Sun	6:32	3.8	5:07	5.3	10:51	3.0			6:41	7:37		3	Sun
4	Mon	8:28	3.8	6:02	5.3	12:40	1.1	12:03	3.3	6:42	7:35		4	Mon
5	Tue	9:52	4.1	7:06	5.3	1:52	0.9	1:37	3.4	6:42	7:34		5	Tue
6	Wed	10:38	4.3	8:12	5.4	2:56	0.7	2:49	3.3	6:43	7:32		6	Wed
7	Thu	11:11	4.5	9:11	5.6	3:48	0.4	3:41	3.1	6:44	7:31		7	Thu
8	Fri	11:38	4.7	10:04	5.8	4:31	0.1	4:24	2.8	6:45	7:29		8	Fri
9	Sat			12:05	4.8	5:08	-0.1	5:03	2.4	6:46	7:28		9	Sat
10	Sun			12:30	5.0	5:42	-0.2	5:42	2.0	6:47	7:26		10	Sun
11	Mon			12:57	5.3	6:15	-0.2	6:22	1.5	6:48	7:25		11	Mon
12	Tue	12:27	6.0	1:24	5.5	6:48	0.1	7:05	1.1	6:48	7:23		12	Tue
13	Wed	1:17	5.8	1:53	5.8	7:22	0.4	7:51	0.6	6:49	7:21		13	Wed
14	Thu	2:10	5.5	2:24	6.1	7:57	1.0	8:40	0.3	6:50	7:20		14	Thu
15	Fri	3:09	5.1	3:00	6.2	8:34	1.6	9:34	0.1	6:51	7:18		15	Fri
16	Sat	4:16	4.6	3:41	6.3	9:16	2.2	10:35	0.0	6:52	7:17		16	Sat
17	Sun	5:36	4.3	4:30	6.2	10:06	2.7	11:46	0.0	6:53	7:15		17	Sun
18	Mon	7:11	4.2	5:32	6.0	11:16	3.2			6:53	7:14		18	Mon
19	Tue	8:42	4.4	6:46	5.9	1:04	0.0	12:52	3.3	6:54	7:12		19	Tue
20	Wed	9:46	4.7	8:03	5.8	2:19	-0.1	2:22	3.1	6:55	7:11		20	Wed
21	Thu	10:34	4.9	9:13	5.8	3:23	-0.2	3:30	2.7	6:56	7:09		21	Thu
22	Fri	11:13	5.1	10:14	5.8	4:16	-0.2	4:26	2.2	6:57	7:07		22	Fri
23	Sat	11:47	5.3	11:08	5.8	5:00	-0.1	5:13	1.8	6:58	7:06		23	Sat
24	Sun	11:18	5.4	10:57	5.6	4:37	0.1	4:56	1.4	5:59	6:04		24	Sun
25	Mon	11:46	5.5	11:44	5.4	5:11	0.4	5:36	1.1	6:00	6:03		25	Mon
26	Tue			12:11	5.6	5:43	0.8	6:14	0.8	6:00	6:01		26	Tue
27	Wed	12:30	5.1	12:34	5.6	6:13	1.2	6:51	0.6	6:01	6:00		27	Wed
28	Thu	1:16	4.8	12:57	5.6	6:44	1.7	7:27	0.5	6:02	5:58		28	Thu
29	Fri	2:05	4.6	1:21	5.6	7:15	2.2	8:05	0.5	6:03	5:57		29	Fri
30	Sat	2:58	4.3	1:49	5.5	7:47	2.6	8:48	0.6	6:04	5:55		30	Sat
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9414873)

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What time does the tide turn (slack tide) in Point San Quentin, CA today?

Slack tide in Point San Quentin, CA is approximately 10:29 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 Point San Quentin, CA?

Point San Quentin, CA is currently in a neap phase. Tonight's moon is 56% 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 Point San Quentin, CA 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 Point San Quentin, CA?

Tide predictions for Point San Quentin, CA 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 Point San Quentin, CA?

Tide data for Point San Quentin, CA is sourced from NOAA Station #9414873. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414873.

What is the moon phase in Point San Quentin, CA tonight?

Tonight the moon over Point San Quentin, CA is First Quarter (56% illuminated). This places Point San Quentin, CA 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

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