Tides Today & Tomorrow in South San Diego Bay, CA

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in South San Diego Bay, CA.
Next low tide : in 6h 38m at 8:34 pm (1.8 ft)
Next high tide (tomorrow) : 2:13 am (3.6 ft)
Sunset today : 7:44 pm
Sunrise tomorrow : 6:04 am
Moon phase : Third Quarter (64% illuminated)
Tide Station Location : Station #9410135
Common Questions About Tides

South San Diego Bay, CA Tides - Mar 1962

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:355.26:353.711:570.111:232.26:165:45Waning Crescent1Thu
2Fri5:375.87:134.212:45-0.66:155:46Waning Crescent2Fri
3Sat6:306.47:494.712:201.81:28-1.16:135:47Waning Crescent3Sat
4Sun7:196.88:255.21:111.22:09-1.46:125:48Waning Crescent4Sun
5Mon8:067.09:015.51:590.72:48-1.56:115:48New Moon5Mon
6Tue8:526.99:385.82:460.33:26-1.36:105:49New Moon6Tue
7Wed9:386.510:165.93:330.04:03-0.96:095:50New Moon7Wed
8Thu10:265.910:565.94:200.04:41-0.36:075:51Waxing Crescent8Thu
9Fri11:175.111:405.75:120.15:190.46:065:51Waxing Crescent9Fri
10Sat12:164.36:110.45:591.26:055:52Waxing Crescent10Sat
11Sun12:295.41:293.57:220.76:491.96:035:53First Quarter11Sun
12Mon1:265.13:233.18:520.88:042.56:025:54First Quarter12Mon
13Tue2:394.95:443.410:330.79:502.76:015:54First Quarter13Tue
14Wed4:064.96:413.811:450.311:162.56:005:55First Quarter14Wed
15Thu5:215.07:154.112:340.05:585:56Waxing Gibbous15Thu
16Fri6:145.37:414.412:132.11:11-0.25:575:57Waxing Gibbous16Fri
17Sat6:555.58:044.612:561.81:42-0.35:565:57Waxing Gibbous17Sat
18Sun7:315.78:254.81:321.42:10-0.35:545:58Waxing Gibbous18Sun
19Mon8:045.78:465.02:051.12:36-0.35:535:59Full Moon19Mon
20Tue8:365.79:095.22:360.83:01-0.15:525:59Full Moon20Tue
21Wed9:075.59:335.23:070.63:260.15:516:00Full Moon21Wed
22Thu9:395.29:575.33:380.53:480.45:496:01Full Moon22Thu
23Fri10:124.810:225.24:090.54:100.85:486:02Waning Gibbous23Fri
24Sat10:474.410:485.24:420.64:291.25:476:02Waning Gibbous24Sat
25Sun11:303.911:185.15:210.74:491.65:456:03Waning Gibbous25Sun
26Mon12:273.46:110.95:112.05:446:04Waning Gibbous26Mon
27Tue1:493.17:221.05:462.55:436:04Third Quarter27Tue
28Wed1:004.83:473.18:530.97:342.95:416:05Third Quarter28Wed
29Thu2:284.75:253.510:190.59:582.85:406:06Third Quarter29Thu
30Fri4:005.06:094.111:210.011:152.25:396:06Third Quarter30Fri
31Sat5:145.46:444.712:11-0.55:376:07Waning Crescent31Sat
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 11:23 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 transitional phase. Tonight's moon is 64% 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 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 Third Quarter (64% illuminated). This places South San Diego Bay, 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