Tides Today & Tomorrow in South San Francisco, CA

TIDE TIMES for Thursday, July 16, 2026
The tide is currently falling in South San Francisco, CA.
Next low tide : in 6h 01m at 8:32 am (-1.3 ft)
Next high tide : 3:23 pm (6.6 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 6:01 am
Moon phase : Waxing Crescent (8% illuminated)
Tide Station Location : Station #9414391
Common Questions About Tides

South San Francisco, CA Tides - Nov 2065

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:396.21:157.97:203.08:30-1.26:355:10Waxing Crescent1Sun
2Mon3:416.12:107.58:213.29:29-0.96:365:09Waxing Crescent2Mon
3Tue4:456.03:137.19:373.210:33-0.56:375:08First Quarter3Tue
4Wed5:486.14:246.511:073.011:37-0.16:385:07First Quarter4Wed
5Thu6:466.35:446.112:322.66:395:06First Quarter5Thu
6Fri7:356.57:055.812:390.31:432.06:405:05First Quarter6Fri
7Sat8:166.88:205.71:340.72:421.46:415:04Waxing Gibbous7Sat
8Sun8:537.09:275.72:221.13:310.86:425:03Waxing Gibbous8Sun
9Mon9:247.110:265.73:051.54:130.46:445:02Waxing Gibbous9Mon
10Tue9:537.211:185.83:452.04:500.06:455:01Waxing Gibbous10Tue
11Wed10:207.24:232.35:25-0.26:465:01Full Moon11Wed
12Thu12:075.810:48 AM7.34:592.75:57-0.36:475:00Full Moon12Thu
13Fri12:525.911:16 AM7.25:353.06:30-0.46:484:59Full Moon13Fri
14Sat1:355.811:47 AM7.26:103.27:04-0.46:494:58Full Moon14Sat
15Sun2:175.812:217.06:473.37:39-0.36:504:58Waning Gibbous15Sun
16Mon3:005.712:586.97:273.48:18-0.26:514:57Waning Gibbous16Mon
17Tue3:455.71:396.68:133.59:00-0.16:524:56Waning Gibbous17Tue
18Wed4:315.72:266.39:103.59:460.16:534:56Waning Gibbous18Wed
19Thu5:175.83:226.010:223.310:360.36:544:55Third Quarter19Thu
20Fri6:005.94:305.711:403.011:280.66:554:55Third Quarter20Fri
21Sat6:396.25:515.412:492.46:564:54Third Quarter21Sat
22Sun7:156.57:155.312:210.91:461.76:574:54Third Quarter22Sun
23Mon7:517.08:355.41:131.32:360.96:584:53Waning Crescent23Mon
24Tue8:277.49:465.72:031.73:230.06:594:53Waning Crescent24Tue
25Wed9:057.810:505.92:522.14:10-0.77:004:52Waning Crescent25Wed
26Thu9:468.111:496.13:412.44:57-1.37:014:52New Moon26Thu
27Fri10:308.34:302.75:44-1.77:024:52New Moon27Fri
28Sat12:446.211:17 AM8.45:212.96:33-1.87:034:51New Moon28Sat
29Sun1:376.312:078.36:143.07:24-1.77:044:51Waxing Crescent29Sun
30Mon2:296.31:008.07:123.08:15-1.47:054:51Waxing Crescent30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414391)

Common Questions About South San Francisco, CA Tides

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

Slack tide in South San Francisco, CA is approximately 11:57 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 South San Francisco, CA?

South San Francisco, CA is currently in a spring phase. Tonight's moon is 8% 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 South 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 South San Francisco, CA?

Tide predictions for South 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 South San Francisco, CA?

Tide data for South San Francisco, CA is sourced from NOAA Station #9414391. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414391.

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

Tonight the moon over South San Francisco, CA is Waxing Crescent (8% illuminated). This places South San Francisco, CA 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