Tides Today & Tomorrow in San Francisco, CA

TIDE TIMES for Monday, July 20, 2026
The tide is currently rising in San Francisco, CA.

Next low tide : 10:25 am (1.3 ft)
Next high tide : in 2h 33m at 4:43 am (4.2 ft)
Sunset today : 8:28 pm
Sunrise tomorrow : 6:03 am
Moon phase : First Quarter (43% illuminated)
Tide Station Location : Station #9414290
Common Questions About Tides

San Francisco, CA Tides - Dec 1982

< Nov 1982

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Jan 1983 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Wed	10:48	6.9			4:33	2.5	5:35	-1.4	7:06	4:51		1	Wed
2	Thu	12:52	5.1	11:33 AM	6.9	5:21	2.7	6:24	-1.5	7:07	4:51		2	Thu
3	Fri	1:47	5.1	12:21	6.7	6:14	2.9	7:15	-1.4	7:08	4:51		3	Fri
4	Sat	2:43	5.1	1:14	6.4	7:14	3.0	8:09	-1.1	7:09	4:50		4	Sat
5	Sun	3:41	5.1	2:14	5.9	8:24	3.0	9:07	-0.7	7:10	4:50		5	Sun
6	Mon	4:38	5.2	3:22	5.3	9:46	2.9	10:07	-0.2	7:11	4:50		6	Mon
7	Tue	5:34	5.4	4:40	4.8	11:11	2.5	11:08	0.3	7:11	4:50		7	Tue
8	Wed	6:25	5.6	6:05	4.4			12:26	1.9	7:12	4:50		8	Wed
9	Thu	7:12	5.9	7:27	4.3	12:07	0.7	1:29	1.3	7:13	4:50		9	Thu
10	Fri	7:53	6.1	8:41	4.4	1:01	1.2	2:23	0.7	7:14	4:51		10	Fri
11	Sat	8:31	6.2	9:44	4.5	1:51	1.6	3:09	0.2	7:15	4:51		11	Sat
12	Sun	9:05	6.3	10:40	4.6	2:37	2.1	3:49	-0.2	7:15	4:51		12	Sun
13	Mon	9:38	6.3	11:29	4.7	3:20	2.4	4:26	-0.4	7:16	4:51		13	Mon
14	Tue	10:10	6.2			4:01	2.7	5:01	-0.5	7:17	4:51		14	Tue
15	Wed	12:15	4.8	10:41 AM	6.1	4:41	3.0	5:35	-0.6	7:18	4:52		15	Wed
16	Thu	12:57	4.8	11:13 AM	6.0	5:20	3.1	6:09	-0.6	7:18	4:52		16	Thu
17	Fri	1:36	4.7	11:47 AM	5.9	5:59	3.3	6:43	-0.5	7:19	4:52		17	Fri
18	Sat	2:15	4.7	12:23	5.6	6:39	3.3	7:19	-0.3	7:20	4:53		18	Sat
19	Sun	2:53	4.7	1:02	5.4	7:24	3.3	7:58	-0.2	7:20	4:53		19	Sun
20	Mon	3:33	4.7	1:46	5.0	8:18	3.3	8:39	0.1	7:21	4:53		20	Mon
21	Tue	4:14	4.8	2:37	4.6	9:23	3.2	9:24	0.4	7:21	4:54		21	Tue
22	Wed	4:56	4.9	3:41	4.2	10:35	2.9	10:13	0.7	7:22	4:54		22	Wed
23	Thu	5:36	5.1	5:01	4.0	11:44	2.4	11:05	1.1	7:22	4:55		23	Thu
24	Fri	6:16	5.4	6:29	3.9			12:43	1.8	7:23	4:55		24	Fri
25	Sat	6:55	5.7	7:52	4.0			1:33	1.1	7:23	4:56		25	Sat
26	Sun	7:34	6.1	9:03	4.2	12:52	1.9	2:19	0.3	7:23	4:57		26	Sun
27	Mon	8:14	6.5	10:05	4.6	1:44	2.2	3:05	-0.4	7:24	4:57		27	Mon
28	Tue	8:57	6.8	11:00	4.8	2:35	2.5	3:50	-1.0	7:24	4:58		28	Tue
29	Wed	9:42	7.0	11:52	5.0	3:25	2.6	4:36	-1.4	7:24	4:59		29	Wed
30	Thu	10:29	7.2			4:17	2.7	5:23	-1.7	7:24	4:59		30	Thu
31	Fri	12:41	5.2	11:19 AM	7.1	5:09	2.8	6:13	-1.7	7:25	5:00		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: (9414290)

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

Slack tide in San Francisco, CA is approximately 7:34 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 San Francisco, CA?

San Francisco, CA is currently in a neap phase. Tonight's moon is 43% 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 San Francisco, 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 Francisco, CA?

Tide predictions for San Francisco, 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 Francisco, CA?

Tide data for San Francisco, CA is sourced from NOAA Station #9414290. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414290.

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

Tonight the moon over San Francisco, CA is First Quarter (43% illuminated). This places San Francisco, 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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