Tides Today & Tomorrow in South San Diego Bay, CA

TIDE TIMES for Friday, July 31, 2026
The tide is currently rising in South San Diego Bay, CA.
Next low tide : 4:52 pm (2.1 ft)
Next high tide : in 2h 17m at 11:37 am (4.8 ft)
Sunset today : 7:47 pm
Sunrise tomorrow : 6:02 am
Moon phase : Waning Gibbous (95% illuminated)
Tide Station Location : Station #9410135
Common Questions About Tides

South San Diego Bay, CA Tides - Jun 2083

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue11:294.210:267.54:58-1.94:092.25:417:51Full Moon1Tue
2Wed12:264.15:48-1.74:592.45:417:52Waning Gibbous2Wed
3Thu1:264.16:38-1.35:572.65:417:52Waning Gibbous3Thu
4Fri12:076.32:264.27:31-0.77:102.85:407:53Waning Gibbous4Fri
5Sat1:065.53:264.48:24-0.28:392.85:407:53Third Quarter5Sat
6Sun2:114.74:234.79:170.410:192.55:407:54Third Quarter6Sun
7Mon3:274.05:135.110:100.911:462.05:407:54Third Quarter7Mon
8Tue4:593.65:545.410:591.35:407:55Third Quarter8Tue
9Wed6:273.56:295.712:481.411:45 AM1.65:407:55Waning Crescent9Wed
10Thu7:343.57:026.01:350.812:261.95:407:56Waning Crescent10Thu
11Fri8:283.67:346.22:150.31:052.15:407:56Waning Crescent11Fri
12Sat9:113.78:066.42:51-0.11:432.35:407:56Waning Crescent12Sat
13Sun9:493.88:396.53:25-0.42:202.45:407:57New Moon13Sun
14Mon10:253.89:116.53:58-0.62:552.55:407:57New Moon14Mon
15Tue11:003.99:446.54:31-0.73:292.65:407:58New Moon15Tue
16Wed11:363.910:166.45:04-0.74:022.65:407:58New Moon16Wed
17Thu12:153.95:38-0.64:352.75:407:58Waxing Crescent17Thu
18Fri12:543.96:11-0.45:142.85:417:58Waxing Crescent18Fri
19Sat1:354.16:46-0.26:032.95:417:59Waxing Crescent19Sat
20Sun12:035.52:154.37:220.17:122.95:417:59Waxing Crescent20Sun
21Mon12:554.92:584.68:010.48:402.75:417:59First Quarter21Mon
22Tue2:034.33:445.18:450.810:122.25:417:59First Quarter22Tue
23Wed3:293.84:335.69:361.311:321.45:427:59First Quarter23Wed
24Thu5:083.55:246.110:331.75:428:00First Quarter24Thu
25Fri6:403.56:156.712:370.511:33 AM1.95:428:00Waxing Gibbous25Fri
26Sat7:533.77:057.21:34-0.412:312.15:438:00Waxing Gibbous26Sat
27Sun8:534.07:557.62:27-1.11:272.25:438:00Waxing Gibbous27Sun
28Mon9:454.28:447.83:17-1.62:222.25:438:00Full Moon28Mon
29Tue10:324.49:317.84:04-1.83:152.15:448:00Full Moon29Tue
30Wed11:174.510:187.54:48-1.84:062.15:448:00Full Moon30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410135)

Common Questions About South San Diego Bay, CA Tides

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

Slack tide in South San Diego Bay, CA is approximately 2:14 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 Diego Bay, CA?

South San Diego Bay, 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 South San Diego Bay, 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 Diego Bay, CA?

Tide predictions for South San Diego Bay, 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 Diego Bay, CA?

Tide data for South San Diego Bay, CA is sourced from NOAA Station #9410135. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9410135.

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

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