Tides Today & Tomorrow in South San Francisco, CA

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in South San Francisco, CA.
Next low tide : in 5h 44m at 11:03 am (0.7 ft)
Next high tide : 5:57 pm (6.6 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:54 am
Moon phase : Third Quarter (61% illuminated)
Tide Station Location : Station #9414391
Common Questions About Tides

South San Francisco, CA Tides - Jun 2002

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:306.07:165.911:50-0.15:498:25Third Quarter1Sat
2Sun5:335.58:006.012:552.912:440.35:498:26Third Quarter2Sun
3Mon6:475.28:386.22:042.51:360.65:488:26Third Quarter3Mon
4Tue8:055.09:096.43:022.02:241.05:488:27Third Quarter4Tue
5Wed9:204.99:386.63:501.53:081.45:488:27Waning Crescent5Wed
6Thu10:265.010:066.84:320.93:491.75:478:28Waning Crescent6Thu
7Fri11:255.210:357.05:100.44:282.15:478:29Waning Crescent7Fri
8Sat12:185.35:440.05:062.45:478:29Waning Crescent8Sat
9Sun1:075.56:18-0.45:442.75:478:30New Moon9Sun
10Mon1:545.66:53-0.76:233.05:478:30New Moon10Mon
11Tue12:137.42:395.87:29-1.07:043.15:478:31New Moon11Tue
12Wed12:517.43:255.88:09-1.17:493.25:478:31New Moon12Wed
13Thu1:337.44:115.98:52-1.28:393.25:478:32Waxing Crescent13Thu
14Fri2:197.24:596.09:38-1.19:383.25:478:32Waxing Crescent14Fri
15Sat3:106.95:466.110:27-0.910:483.05:478:32Waxing Crescent15Sat
16Sun4:096.56:336.311:18-0.65:478:33First Quarter16Sun
17Mon5:186.07:196.612:072.712:12-0.15:478:33First Quarter17Mon
18Tue6:405.68:026.91:252.11:070.45:478:33First Quarter18Tue
19Wed8:085.38:457.32:341.42:020.95:478:34Waxing Gibbous19Wed
20Thu9:345.39:277.63:350.62:571.55:478:34Waxing Gibbous20Thu
21Fri10:515.510:087.94:28-0.13:502.05:488:34Waxing Gibbous21Fri
22Sat11:575.710:508.05:18-0.74:422.45:488:34Waxing Gibbous22Sat
23Sun12:565.96:04-1.15:332.75:488:34Full Moon23Sun
24Mon1:496.06:49-1.36:242.95:488:35Full Moon24Mon
25Tue12:157.92:386.17:32-1.37:143.15:498:35Full Moon25Tue
26Wed12:587.73:246.18:15-1.28:063.15:498:35Waning Gibbous26Wed
27Thu1:407.44:086.18:57-1.08:583.25:508:35Waning Gibbous27Thu
28Fri2:237.04:506.19:38-0.79:543.15:508:35Waning Gibbous28Fri
29Sat3:086.55:316.110:20-0.310:563.05:508:35Waning Gibbous29Sat
30Sun3:566.16:116.111:030.15:518:35Third Quarter30Sun
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 2:30 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 61% 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 Third Quarter (61% 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