Tides Today & Tomorrow in San Diego, CA

TIDE TIMES for Friday, July 31, 2026
The tide is currently rising in San Diego, CA.
Next low tide : 4:46 pm (2.0 ft)
Next high tide : in 37m at 11:32 am (4.6 ft)
Sunset today : 7:47 pm
Sunrise tomorrow : 6:02 am
Moon phase : Waning Gibbous (95% illuminated)
Tide Station Location : Station #9410170
Common Questions About Tides

San Diego, CA Tides - Jul 1955

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:493.57:375.92:260.11:082.55:448:00Waxing Gibbous1Fri
2Sat9:223.78:126.13:00-0.21:492.55:448:00Waxing Gibbous2Sat
3Sun9:523.88:466.23:31-0.42:272.45:448:00Full Moon3Sun
4Mon10:213.99:196.34:01-0.53:042.35:458:00Full Moon4Mon
5Tue10:514.09:516.34:31-0.53:402.35:458:00Full Moon5Tue
6Wed11:234.110:236.15:01-0.54:162.25:468:00Full Moon6Wed
7Thu11:564.310:565.85:32-0.44:542.25:468:00Waning Gibbous7Thu
8Fri12:314.46:02-0.25:382.35:477:59Waning Gibbous8Fri
9Sat1:074.56:330.16:302.35:477:59Waning Gibbous9Sat
10Sun12:144.91:474.77:040.57:352.35:487:59Waning Gibbous10Sun
11Mon1:074.32:324.97:391.08:592.15:487:59Third Quarter11Mon
12Tue2:223.63:275.28:201.510:361.65:497:58Third Quarter12Tue
13Wed4:113.24:285.69:171.911:570.95:507:58Third Quarter13Wed
14Thu5:583.25:286.110:322.25:507:58Waning Crescent14Thu
15Fri7:183.46:256.61:010.111:46 AM2.35:517:57Waning Crescent15Fri
16Sat8:163.87:197.01:54-0.612:522.25:517:57Waning Crescent16Sat
17Sun9:024.28:117.32:41-1.11:512.05:527:56Waning Crescent17Sun
18Mon9:444.58:597.53:25-1.42:441.85:537:56New Moon18Mon
19Tue10:244.89:467.34:06-1.53:351.65:537:56New Moon19Tue
20Wed11:035.010:317.04:46-1.34:241.45:547:55New Moon20Wed
21Thu11:445.111:166.45:24-1.05:141.45:547:55Waxing Crescent21Thu
22Fri12:255.26:01-0.56:071.55:557:54Waxing Crescent22Fri
23Sat12:035.61:085.26:370.27:041.75:567:53Waxing Crescent23Sat
24Sun12:534.81:525.27:120.88:111.85:567:53First Quarter24Sun
25Mon1:524.02:425.17:471.59:381.85:577:52First Quarter25Mon
26Tue3:123.33:405.18:262.111:201.65:587:52First Quarter26Tue
27Wed5:143.04:455.19:242.65:587:51First Quarter27Wed
28Thu7:153.25:445.312:361.110:48 AM2.95:597:50Waxing Gibbous28Thu
29Fri8:113.56:355.51:280.712:002.96:007:49Waxing Gibbous29Fri
30Sat8:403.77:185.82:070.412:552.86:007:49Waxing Gibbous30Sat
31Sun9:043.97:566.12:390.11:392.56:017:48Waxing Gibbous31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410170)

Common Questions About San Diego, CA Tides

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

Slack tide in San Diego, CA is approximately 2:09 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 Diego, CA?

San Diego, CA is currently in a spring phase. Tonight's moon is 95% 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 Diego, 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 Diego, CA?

Tide predictions for San Diego, 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 Diego, CA?

Tide data for San Diego, CA is sourced from NOAA Station #9410170. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9410170.

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

Tonight the moon over San Diego, CA is Waning Gibbous (95% illuminated). This places San Diego, 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