Tides Today & Tomorrow in San Simeon, CA

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in San Simeon, CA.

Next low tide : in 1h 23m at 11:14 am (3.3 ft)
Next high tide : 5:54 pm (4.9 ft)
Sunset today : 7:46 pm
Sunrise tomorrow : 6:28 am
Moon phase : First Quarter (66% illuminated)
Tide Station Location : Station #9412553
Common Questions About Tides

San Simeon, CA Tides - May 1935

< Apr 1935

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Jun 1935 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Wed	9:03	4.1	8:38	6.0	2:51	-0.6	2:22	1.2	5:13	6:50		1	Wed
2	Thu	9:59	3.9	9:13	6.1	3:38	-1.0	3:00	1.6	5:12	6:51		2	Thu
3	Fri	10:56	3.8	9:51	6.0	4:26	-1.2	3:39	1.9	5:11	6:52		3	Fri
4	Sat	11:54	3.6	10:31	5.8	5:13	-1.2	4:20	2.3	5:10	6:53		4	Sat
5	Sun			12:54	3.5	6:02	-1.0	5:05	2.5	5:08	6:53		5	Sun
6	Mon			2:00	3.4	6:51	-0.7	5:56	2.8	5:07	6:54		6	Mon
7	Tue			3:11	3.4	7:44	-0.4	6:58	2.9	5:07	6:55		7	Tue
8	Wed	12:50	4.5	4:15	3.5	8:42	0.0	8:28	3.0	5:06	6:56		8	Wed
9	Thu	1:53	4.1	5:04	3.7	9:39	0.2	10:08	2.7	5:05	6:57		9	Thu
10	Fri	3:12	3.7	5:42	3.9	10:31	0.5	11:23	2.3	5:04	6:57		10	Fri
11	Sat	4:31	3.5	6:12	4.1	11:15	0.7			5:03	6:58		11	Sat
12	Sun	5:42	3.4	6:38	4.4	12:20	1.8	11:53 AM	1.0	5:02	6:59		12	Sun
13	Mon	6:46	3.4	7:02	4.7	1:06	1.3	12:26	1.3	5:01	7:00		13	Mon
14	Tue	7:41	3.4	7:26	5.0	1:45	0.8	12:57	1.5	5:00	7:01		14	Tue
15	Wed	8:30	3.4	7:51	5.3	2:21	0.3	1:27	1.8	4:59	7:02		15	Wed
16	Thu	9:16	3.4	8:18	5.5	2:57	-0.2	1:57	2.0	4:59	7:02		16	Thu
17	Fri	10:03	3.5	8:48	5.7	3:34	-0.5	2:28	2.2	4:58	7:03		17	Fri
18	Sat	10:52	3.4	9:22	5.8	4:14	-0.8	3:02	2.4	4:57	7:04		18	Sat
19	Sun	11:44	3.4	10:00	5.8	4:56	-1.0	3:40	2.6	4:56	7:05		19	Sun
20	Mon			12:37	3.4	5:41	-1.1	4:25	2.7	4:56	7:05		20	Mon
21	Tue			1:33	3.4	6:28	-1.1	5:20	2.8	4:55	7:06		21	Tue
22	Wed			2:31	3.6	7:18	-0.9	6:29	2.8	4:55	7:07		22	Wed
23	Thu	12:29	5.1	3:25	3.8	8:11	-0.7	7:56	2.8	4:54	7:08		23	Thu
24	Fri	1:36	4.6	4:13	4.1	9:05	-0.4	9:37	2.4	4:53	7:08		24	Fri
25	Sat	2:59	4.1	4:55	4.6	9:58	0.0	11:02	1.8	4:53	7:09		25	Sat
26	Sun	4:27	3.7	5:35	5.0	10:47	0.5			4:52	7:10		26	Sun
27	Mon	5:52	3.5	6:13	5.5	12:12	1.0	11:34 AM	0.9	4:52	7:11		27	Mon
28	Tue	7:10	3.5	6:52	5.9	1:11	0.2	12:20	1.3	4:51	7:11		28	Tue
29	Wed	8:18	3.5	7:31	6.1	2:02	-0.4	1:05	1.7	4:51	7:12		29	Wed
30	Thu	9:17	3.6	8:09	6.3	2:49	-0.9	1:49	2.0	4:50	7:13		30	Thu
31	Fri	10:12	3.6	8:48	6.2	3:34	-1.2	2:32	2.3	4:50	7:13		31	Fri
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9412553)

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

Slack tide in San Simeon, CA is approximately 2:34 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 San Simeon, CA?

San Simeon, CA is currently in a transitional phase. Tonight's moon is 66% 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 San Simeon, 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 San Simeon, CA?

Tide predictions for San Simeon, 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 San Simeon, CA?

Tide data for San Simeon, CA is sourced from NOAA Station #9412553. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9412553.

What is the moon phase in San Simeon, CA tonight?

Tonight the moon over San Simeon, CA is First Quarter (66% illuminated). This places San Simeon, CA 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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