Tides Today & Tomorrow in South San Francisco, CA

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in South San Francisco, CA.
Next low tide : in 5h 28m at 8:42 am (-0.7 ft)
Next high tide : 3:49 pm (5.9 ft)
Sunset today : 8:35 pm
Sunrise tomorrow : 5:52 am
Moon phase : Waning Gibbous (93% illuminated)
Tide Station Location : Station #9414391
Common Questions About Tides

South San Francisco, CA Tides - Jul 2009

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:245.08:337.43:060.52:102.45:518:35Waxing Gibbous1Wed
2Thu10:435.29:177.44:020.13:092.85:528:35Waxing Gibbous2Thu
3Fri11:455.510:007.44:51-0.24:063.15:528:34Waxing Gibbous3Fri
4Sat12:345.75:33-0.44:573.25:538:34Waxing Gibbous4Sat
5Sun1:165.86:12-0.55:423.35:538:34Full Moon5Sun
6Mon1:535.96:48-0.66:243.25:548:34Full Moon6Mon
7Tue2:255.97:21-0.67:033.15:558:34Full Moon7Tue
8Wed12:367.22:545.97:53-0.67:413.05:558:33Full Moon8Wed
9Thu1:137.03:226.08:23-0.58:202.95:568:33Waning Gibbous9Thu
10Fri1:506.83:496.18:53-0.39:032.85:568:33Waning Gibbous10Fri
11Sat2:296.54:176.29:240.09:502.65:578:32Waning Gibbous11Sat
12Sun3:126.14:476.49:560.410:442.45:588:32Waning Gibbous12Sun
13Mon4:035.65:196.610:300.911:452.05:588:31Third Quarter13Mon
14Tue5:085.15:566.811:091.55:598:31Third Quarter14Tue
15Wed6:364.86:377.112:511.611:55 AM2.16:008:30Third Quarter15Wed
16Thu8:224.87:257.31:571.012:522.66:018:30Third Quarter16Thu
17Fri9:565.08:177.62:590.41:593.06:018:29Waning Crescent17Fri
18Sat11:045.49:137.93:56-0.23:073.26:028:29Waning Crescent18Sat
19Sun11:575.710:098.24:48-0.84:103.26:038:28Waning Crescent19Sun
20Mon12:416.05:38-1.25:083.06:048:27New Moon20Mon
21Tue1:236.26:26-1.56:052.76:048:27New Moon21Tue
22Wed2:026.47:11-1.57:012.46:058:26New Moon22Wed
23Thu12:538.22:416.77:55-1.37:582.16:068:25Waxing Crescent23Thu
24Fri1:487.83:206.98:38-0.98:571.86:078:25Waxing Crescent24Fri
25Sat2:437.23:597.19:20-0.39:591.56:078:24Waxing Crescent25Sat
26Sun3:426.54:407.210:020.411:051.36:088:23Waxing Crescent26Sun
27Mon4:495.85:237.310:461.26:098:22First Quarter27Mon
28Tue6:095.36:097.312:151.111:36 AM2.06:108:21First Quarter28Tue
29Wed7:485.16:597.21:270.912:362.66:118:20First Quarter29Wed
30Thu9:265.27:537.22:350.61:473.16:128:19First Quarter30Thu
31Fri10:385.58:467.23:360.32:573.36:128:18Waxing Gibbous31Fri
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 12:15 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 93% 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 Gibbous (93% 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