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 4h 29m 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 - May 2053

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu12:346.06:18-0.16:071.36:128:00Full Moon1Thu
2Fri12:177.11:235.96:57-0.36:461.76:118:01Full Moon2Fri
3Sat12:477.02:095.87:33-0.47:232.06:108:02Full Moon3Sat
4Sun1:186.92:545.78:09-0.58:022.36:098:03Full Moon4Sun
5Mon1:496.83:405.68:45-0.48:422.66:088:03Waning Gibbous5Mon
6Tue2:226.64:275.59:24-0.39:272.86:078:04Waning Gibbous6Tue
7Wed2:596.35:175.510:05-0.110:212.96:068:05Waning Gibbous7Wed
8Thu3:426.16:105.510:520.111:283.06:058:06Waning Gibbous8Thu
9Fri4:335.87:045.511:430.36:048:07Third Quarter9Fri
10Sat5:355.57:535.712:462.912:390.46:038:08Third Quarter10Sat
11Sun6:475.38:355.91:552.51:350.66:028:09Third Quarter11Sun
12Mon8:015.29:136.22:522.12:270.76:018:10Third Quarter12Mon
13Tue9:115.39:496.53:391.53:160.86:008:11Waning Crescent13Tue
14Wed10:145.510:246.94:210.94:011.05:598:11Waning Crescent14Wed
15Thu11:135.710:597.25:010.34:451.25:598:12Waning Crescent15Thu
16Fri12:085.95:43-0.35:291.55:588:13New Moon16Fri
17Sat1:036.06:25-0.96:141.75:578:14New Moon17Sat
18Sun12:177.71:566.17:10-1.37:012.05:568:15New Moon18Sun
19Mon1:007.82:506.27:57-1.57:512.25:568:16Waxing Crescent19Mon
20Tue1:467.73:456.28:46-1.58:472.45:558:16Waxing Crescent20Tue
21Wed2:367.54:426.29:38-1.39:502.55:548:17Waxing Crescent21Wed
22Thu3:317.15:406.310:33-1.011:042.55:548:18Waxing Crescent22Thu
23Fri4:336.66:396.411:32-0.65:538:19First Quarter23Fri
24Sat5:446.17:356.612:252.312:33-0.25:528:20First Quarter24Sat
25Sun7:025.78:276.81:441.91:340.35:528:20First Quarter25Sun
26Mon8:235.59:137.02:521.42:320.75:518:21Waxing Gibbous26Mon
27Tue9:395.49:557.13:500.83:251.15:518:22Waxing Gibbous27Tue
28Wed10:455.510:337.24:410.34:131.45:508:23Waxing Gibbous28Wed
29Thu11:435.611:087.25:250.04:571.85:508:23Waxing Gibbous29Thu
30Fri12:355.76:04-0.35:392.15:508:24Full Moon30Fri
31Sat1:225.76:40-0.56:192.45:498:25Full Moon31Sat
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