Tides Today & Tomorrow in South San Francisco, CA

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in South San Francisco, CA.
Next low tide : 11:16 pm (2.4 ft)
Next high tide : in 3h 26m at 5:22 pm (6.4 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:53 am
Moon phase : Waning Gibbous (71% illuminated)
Tide Station Location : Station #9414391
Common Questions About Tides

South San Francisco, CA Tides - Jul 2003

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:597.43:355.98:20-0.98:033.35:518:35Waxing Crescent1Tue
2Wed1:407.24:126.08:58-0.98:503.25:528:35Waxing Crescent2Wed
3Thu2:247.04:506.19:37-0.89:463.15:528:34Waxing Crescent3Thu
4Fri3:126.75:286.210:19-0.510:502.85:538:34Waxing Crescent4Fri
5Sat4:086.26:086.511:03-0.15:538:34First Quarter5Sat
6Sun5:175.76:486.812:022.411:51 AM0.55:548:34First Quarter6Sun
7Mon6:425.37:307.11:151.812:421.15:548:34First Quarter7Mon
8Tue8:185.18:147.52:231.01:381.85:558:33First Quarter8Tue
9Wed9:505.29:007.83:240.32:372.35:558:33Waxing Gibbous9Wed
10Thu11:065.59:488.14:20-0.43:362.75:568:33Waxing Gibbous10Thu
11Fri12:095.85:12-1.04:353.05:578:32Waxing Gibbous11Fri
12Sat1:036.06:01-1.35:313.15:578:32Full Moon12Sat
13Sun1:526.26:49-1.46:263.15:588:32Full Moon13Sun
14Mon12:178.22:376.37:35-1.47:213.05:598:31Full Moon14Mon
15Tue1:067.93:196.48:20-1.28:152.95:598:31Waning Gibbous15Tue
16Wed1:547.54:006.49:02-0.99:112.86:008:30Waning Gibbous16Wed
17Thu2:427.04:406.49:44-0.510:102.66:018:30Waning Gibbous17Thu
18Fri3:326.55:196.410:250.111:132.56:028:29Waning Gibbous18Fri
19Sat4:275.95:566.511:060.76:028:28Third Quarter19Sat
20Sun5:335.36:346.612:212.211:50 AM1.36:038:28Third Quarter20Sun
21Mon6:574.97:126.71:291.812:382.06:048:27Third Quarter21Mon
22Tue8:374.87:526.82:321.41:332.56:058:26Third Quarter22Tue
23Wed10:075.08:347.03:271.02:312.96:058:26Waning Crescent23Wed
24Thu11:125.39:177.14:140.63:273.26:068:25Waning Crescent24Thu
25Fri12:015.54:560.24:183.36:078:24Waning Crescent25Fri
26Sat12:415.75:35-0.15:033.36:088:23Waning Crescent26Sat
27Sun1:165.96:12-0.45:443.36:098:23New Moon27Sun
28Mon1:496.06:47-0.66:243.26:098:22New Moon28Mon
29Tue12:067.62:216.17:22-0.77:043.06:108:21New Moon29Tue
30Wed12:487.62:536.27:57-0.87:472.86:118:20New Moon30Wed
31Thu1:317.43:266.38:33-0.78:352.66:128:19Waxing Crescent31Thu
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 8:19 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 transitional phase. Tonight's moon is 71% 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 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 Gibbous (71% illuminated). This places South San Francisco, 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