Tides Today & Tomorrow in San Francisco, CA

TIDE TIMES for Friday, July 17, 2026
The tide is currently rising in San Francisco, CA.
Next low tide : 8:42 pm (2.1 ft)
Next high tide : in 4h 53m at 3:25 pm (5.5 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 6:01 am
Moon phase : Waxing Crescent (15% illuminated)
Tide Station Location : Station #9414290
Common Questions About Tides

San Francisco, CA Tides - May 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:105.44:454.39:08-0.49:083.16:147:59Waning Gibbous1Sun
2Mon2:505.15:524.29:58-0.210:193.36:128:00Waning Gibbous2Mon
3Tue3:384.86:584.210:540.111:443.36:118:01Third Quarter3Tue
4Wed4:394.57:524.311:550.36:108:02Third Quarter4Wed
5Thu5:504.38:334.51:013.012:540.46:098:03Third Quarter5Thu
6Fri7:054.19:054.72:002.61:470.56:088:04Third Quarter6Fri
7Sat8:134.29:324.92:482.12:310.66:078:05Waning Crescent7Sat
8Sun9:144.29:595.23:291.63:110.76:068:06Waning Crescent8Sun
9Mon10:104.310:255.44:061.03:470.96:058:07Waning Crescent9Mon
10Tue11:034.410:535.74:400.54:231.26:048:08Waning Crescent10Tue
11Wed11:554.511:235.95:16-0.14:591.66:038:08New Moon11Wed
12Thu12:484.65:53-0.65:372.06:028:09New Moon12Thu
13Fri1:414.66:33-1.06:172.36:018:10New Moon13Fri
14Sat12:316.22:364.67:17-1.27:022.66:008:11Waxing Crescent14Sat
15Sun1:126.23:354.68:05-1.37:522.95:598:12Waxing Crescent15Sun
16Mon1:586.14:364.68:57-1.28:533.15:598:13Waxing Crescent16Mon
17Tue2:515.85:404.69:55-1.010:103.15:588:14Waxing Crescent17Tue
18Wed3:545.46:404.810:58-0.811:392.95:578:15First Quarter18Wed
19Thu5:085.07:345.012:02-0.55:568:15First Quarter19Thu
20Fri6:304.78:205.31:012.41:03-0.15:558:16First Quarter20Fri
21Sat7:514.59:025.62:091.71:580.25:558:17Waxing Gibbous21Sat
22Sun9:074.49:395.93:061.02:480.65:548:18Waxing Gibbous22Sun
23Mon10:154.410:156.13:570.33:331.15:538:19Waxing Gibbous23Mon
24Tue11:164.510:486.24:42-0.24:171.55:538:19Waxing Gibbous24Tue
25Wed12:134.55:24-0.64:592.05:528:20Full Moon25Wed
26Thu1:064.66:04-0.85:402.45:528:21Full Moon26Thu
27Fri1:574.66:42-0.96:222.85:518:22Full Moon27Fri
28Sat12:266.02:464.67:20-0.97:063.05:518:22Waning Gibbous28Sat
29Sun1:005.83:344.57:59-0.87:523.25:508:23Waning Gibbous29Sun
30Mon1:365.54:234.48:39-0.68:433.35:508:24Waning Gibbous30Mon
31Tue2:165.25:114.49:22-0.49:453.35:498:25Waning Gibbous31Tue
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 6:03 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 15% 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 Waxing Crescent (15% 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