Tides Today & Tomorrow in South San Francisco, CA

TIDE TIMES for Monday, June 22, 2026
The tide is currently falling in South San Francisco, CA.
Next low tide : in 3h 31m at 1:00 pm (1.2 ft)
Next high tide : 7:46 pm (7.0 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:48 am
Moon phase : First Quarter (59% illuminated)
Tide Station Location : Station #9414391
Common Questions About Tides

South San Francisco, CA Tides - Jul 2036

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:145.47:597.21:431.51:161.05:528:35First Quarter1Tue
2Wed8:425.38:477.42:511.02:141.55:528:35Waxing Gibbous2Wed
3Thu10:015.39:317.53:500.53:112.05:538:34Waxing Gibbous3Thu
4Fri11:085.510:137.54:410.14:042.35:538:34Waxing Gibbous4Fri
5Sat12:045.75:25-0.24:542.65:548:34Waxing Gibbous5Sat
6Sun12:535.96:05-0.45:392.85:548:34Full Moon6Sun
7Mon1:356.06:42-0.56:222.95:558:33Full Moon7Mon
8Tue12:067.42:146.07:16-0.57:032.95:568:33Full Moon8Tue
9Wed12:427.22:496.07:50-0.57:423.05:568:33Full Moon9Wed
10Thu1:177.13:226.08:23-0.48:222.95:578:32Waning Gibbous10Thu
11Fri1:546.93:546.18:56-0.29:042.95:578:32Waning Gibbous11Fri
12Sat2:326.64:276.19:300.09:512.85:588:32Waning Gibbous12Sat
13Sun3:136.25:026.210:060.310:442.75:598:31Waning Gibbous13Sun
14Mon4:005.85:396.310:440.611:462.56:008:31Third Quarter14Mon
15Tue4:585.46:196.511:271.16:008:30Third Quarter15Tue
16Wed6:135.17:026.712:522.112:161.56:018:30Third Quarter16Wed
17Thu7:425.07:467.01:561.61:121.96:028:29Third Quarter17Thu
18Fri9:105.18:337.32:541.02:112.36:028:28Waning Crescent18Fri
19Sat10:235.39:217.63:460.43:092.56:038:28Waning Crescent19Sat
20Sun11:235.710:107.94:35-0.24:062.66:048:27Waning Crescent20Sun
21Mon12:156.05:23-0.75:002.66:058:26Waning Crescent21Mon
22Tue1:036.36:10-1.15:532.56:068:26New Moon22Tue
23Wed1:486.56:56-1.36:472.46:068:25New Moon23Wed
24Thu12:438.32:326.77:43-1.37:422.26:078:24New Moon24Thu
25Fri1:358.03:166.88:29-1.18:392.06:088:23Waxing Crescent25Fri
26Sat2:297.64:007.09:15-0.79:411.96:098:23Waxing Crescent26Sat
27Sun3:277.14:467.110:03-0.210:471.76:108:22Waxing Crescent27Sun
28Mon4:296.45:347.210:520.511:591.56:108:21First Quarter28Mon
29Tue5:425.86:247.211:461.26:118:20First Quarter29Tue
30Wed7:065.47:167.31:131.212:461.86:128:19First Quarter30Wed
31Thu8:375.38:097.32:230.91:512.36:138:18First Quarter31Thu
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 4:23 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 neap phase. Tonight's moon is 59% 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 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 First Quarter (59% illuminated). This places South 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