Tides Today & Tomorrow in San Francisco, CA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently falling in San Francisco, CA.
Next low tide : in 2h 02m at 2:49 pm (3.3 ft)
Next high tide : 9:02 pm (6.8 ft)
Sunset today : 8:10 pm
Sunrise tomorrow : 6:20 am
Moon phase : Waning Crescent (12% illuminated)
Tide Station Location : Station #9414290
Common Questions About Tides

San Francisco, CA Tides - May 1951

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue9:004.59:495.53:071.32:570.46:147:59Waning Crescent1Tue
2Wed10:054.510:205.73:560.73:390.86:138:00Waning Crescent2Wed
3Thu11:044.410:495.84:400.24:171.36:128:01Waning Crescent3Thu
4Fri11:584.411:165.95:19-0.24:541.86:108:02New Moon4Fri
5Sat12:494.45:55-0.55:292.26:098:03New Moon5Sat
6Sun1:384.46:30-0.66:062.66:088:04New Moon6Sun
7Mon12:095.82:264.37:04-0.76:422.96:078:05New Moon7Mon
8Tue12:395.73:144.37:40-0.67:213.26:068:05Waxing Crescent8Tue
9Wed1:125.64:044.28:18-0.58:033.36:058:06Waxing Crescent9Wed
10Thu1:505.34:584.19:01-0.48:553.46:048:07Waxing Crescent10Thu
11Fri2:335.15:524.19:48-0.210:023.46:038:08Waxing Crescent11Fri
12Sat3:244.86:424.210:400.011:243.36:028:09First Quarter12Sat
13Sun4:244.57:234.411:350.16:018:10First Quarter13Sun
14Mon5:354.27:574.612:392.912:270.36:008:11First Quarter14Mon
15Tue6:524.18:274.91:392.31:160.56:008:12First Quarter15Tue
16Wed8:094.08:575.32:291.72:020.85:598:13Waxing Gibbous16Wed
17Thu9:224.19:275.73:130.92:451.25:588:13Waxing Gibbous17Thu
18Fri10:294.39:596.13:550.13:281.75:578:14Waxing Gibbous18Fri
19Sat11:314.410:356.44:38-0.74:112.15:568:15Full Moon19Sat
20Sun12:314.65:23-1.34:562.55:568:16Full Moon20Sun
21Mon1:294.76:10-1.75:442.85:558:17Full Moon21Mon
22Tue2:264.76:59-1.96:353.05:548:18Full Moon22Tue
23Wed12:466.73:224.77:51-1.97:333.15:548:18Waning Gibbous23Wed
24Thu1:396.54:194.78:45-1.68:393.15:538:19Waning Gibbous24Thu
25Fri2:376.15:154.89:41-1.39:583.05:528:20Waning Gibbous25Fri
26Sat3:405.56:104.910:39-0.811:242.75:528:21Third Quarter26Sat
27Sun4:514.96:595.211:37-0.35:518:22Third Quarter27Sun
28Mon6:114.47:445.412:452.112:320.25:518:22Third Quarter28Mon
29Tue7:354.08:245.71:541.51:240.85:508:23Waning Crescent29Tue
30Wed8:573.99:005.82:530.82:121.35:508:24Waning Crescent30Wed
31Thu10:094.09:336.03:420.32:581.95:498:24Waning Crescent31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414290)

Common Questions About San Francisco, CA Tides

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What time does the tide turn (slack tide) in San Francisco, CA today?

Slack tide in San Francisco, CA is approximately 5:55 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 San Francisco, CA?

San Francisco, CA is currently in a spring phase. Tonight's moon is 12% 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 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 San Francisco, CA?

Tide predictions for 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 San Francisco, CA?

Tide data for San Francisco, CA is sourced from NOAA Station #9414290. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414290.

What is the moon phase in San Francisco, CA tonight?

Tonight the moon over San Francisco, CA is Waning Crescent (12% illuminated). This places 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