Tides Today & Tomorrow in South San Francisco, CA

TIDE TIMES for Sunday, July 12, 2026
The tide is currently rising in South San Francisco, CA.
Next low tide : 4:46 pm (3.2 ft)
Next high tide : in 3h 17m at 12:32 pm (5.8 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:58 am
Moon phase : Waning Crescent (4% illuminated)
Tide Station Location : Station #9414391
Common Questions About Tides

South San Francisco, CA Tides - Nov 1992

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:025.94:215.911:273.111:370.66:355:10First Quarter1Sun
2Mon6:546.05:335.612:412.86:365:09First Quarter2Mon
3Tue7:376.16:485.512:340.81:432.46:375:08First Quarter3Tue
4Wed8:116.37:585.41:251.12:331.96:385:07Waxing Gibbous4Wed
5Thu8:406.59:005.52:101.33:161.36:395:06Waxing Gibbous5Thu
6Fri9:076.79:565.62:501.63:530.96:405:05Waxing Gibbous6Fri
7Sat9:347.010:465.73:271.94:280.46:415:04Waxing Gibbous7Sat
8Sun10:037.211:345.84:022.25:010.06:425:04Full Moon8Sun
9Mon10:337.34:372.45:34-0.36:435:03Full Moon9Mon
10Tue12:205.911:06 AM7.55:132.76:10-0.66:445:02Full Moon10Tue
11Wed1:075.911:42 AM7.55:512.96:49-0.86:455:01Full Moon11Wed
12Thu1:545.912:217.56:323.07:31-0.96:475:00Waning Gibbous12Thu
13Fri2:445.91:057.47:183.18:18-0.86:484:59Waning Gibbous13Fri
14Sat3:355.91:557.18:133.29:08-0.66:494:59Waning Gibbous14Sat
15Sun4:296.02:536.89:203.110:03-0.46:504:58Third Quarter15Sun
16Mon5:226.14:036.310:412.911:010.06:514:57Third Quarter16Mon
17Tue6:126.45:235.912:052.46:524:57Third Quarter17Tue
18Wed6:596.76:495.712:010.41:191.76:534:56Third Quarter18Wed
19Thu7:437.18:125.612:590.92:200.96:544:55Waning Crescent19Thu
20Fri8:247.59:265.81:541.33:140.26:554:55Waning Crescent20Fri
21Sat9:057.710:315.92:461.74:03-0.46:564:54Waning Crescent21Sat
22Sun9:447.911:296.13:352.14:48-0.96:574:54New Moon22Sun
23Mon10:248.04:232.45:32-1.16:584:53New Moon23Mon
24Tue12:236.211:05 AM7.95:112.76:15-1.26:594:53New Moon24Tue
25Wed1:136.211:45 AM7.75:582.96:56-1.17:004:52New Moon25Wed
26Thu2:016.212:267.56:473.07:38-0.97:014:52Waxing Crescent26Thu
27Fri2:476.11:087.17:373.18:20-0.67:024:52Waxing Crescent27Fri
28Sat3:336.01:516.78:313.29:03-0.27:034:51Waxing Crescent28Sat
29Sun4:186.02:396.29:333.19:470.27:044:51Waxing Crescent29Sun
30Mon5:026.03:335.710:433.010:340.67:054:51First Quarter30Mon
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 2:39 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 South San Francisco, CA?

South San Francisco, CA is currently in a spring phase. Tonight's moon is 4% 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 Waning Crescent (4% 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