Tides Today & Tomorrow in South San Diego Bay, CA

TIDE TIMES for Wednesday, August 19, 2026
The tide is currently rising in South San Diego Bay, CA.
Next low tide : 7:12 am (2.7 ft)
Next high tide : in 2h 45m at 2:49 am (3.2 ft)
Sunset today : 7:29 pm
Sunrise tomorrow : 6:15 am
Moon phase : First Quarter (47% illuminated)
Tide Station Location : Station #9410135
Common Questions About Tides

South San Diego Bay, CA Tides - Jan 1937

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:184.711:28 AM5.15:402.36:180.36:504:53Waning Gibbous1Fri
2Sat1:034.712:194.36:462.46:570.96:514:54Third Quarter2Sat
3Sun1:514.71:203.68:092.47:401.46:514:55Third Quarter3Sun
4Mon2:434.82:453.19:522.18:321.96:514:56Third Quarter4Mon
5Tue3:405.04:562.911:181.69:362.26:514:56Third Quarter5Tue
6Wed4:345.26:273.112:111.06:514:57Waning Crescent6Wed
7Thu5:215.67:163.412:510.56:514:58Waning Crescent7Thu
8Fri6:035.97:513.61:260.06:514:59Waning Crescent8Fri
9Sat6:416.28:213.912:192.31:58-0.46:515:00Waning Crescent9Sat
10Sun7:176.58:504.11:012.22:29-0.76:515:01New Moon10Sun
11Mon7:526.79:194.31:402.13:00-0.96:515:01New Moon11Mon
12Tue8:276.79:484.42:181.93:30-1.06:515:02New Moon12Tue
13Wed9:016.710:204.62:551.84:00-1.06:515:03New Moon13Wed
14Thu9:366.410:544.73:321.84:30-0.86:515:04Waxing Crescent14Thu
15Fri10:136.011:304.94:131.75:01-0.56:505:05Waxing Crescent15Fri
16Sat10:565.45:001.75:340.06:505:06Waxing Crescent16Sat
17Sun12:115.011:48 AM4.76:001.76:100.56:505:07Waxing Crescent17Sun
18Mon12:575.212:553.97:161.76:531.16:505:08First Quarter18Mon
19Tue1:505.42:243.28:501.47:491.76:495:09First Quarter19Tue
20Wed2:545.64:263.010:250.89:092.16:495:10First Quarter20Wed
21Thu4:055.96:093.311:400.110:332.26:495:10Waxing Gibbous21Thu
22Fri5:116.47:113.712:38-0.66:485:11Waxing Gibbous22Fri
23Sat6:086.87:554.11:27-1.16:485:12Waxing Gibbous23Sat
24Sun7:007.18:344.512:421.92:10-1.46:475:13Waxing Gibbous24Sun
25Mon7:467.29:094.71:351.62:49-1.56:475:14Full Moon25Mon
26Tue8:297.19:434.92:221.43:24-1.46:465:15Full Moon26Tue
27Wed9:096.710:165.03:061.33:58-1.16:465:16Full Moon27Wed
28Thu9:476.210:495.03:471.34:29-0.76:455:17Waning Gibbous28Thu
29Fri10:245.611:235.04:281.34:58-0.16:455:18Waning Gibbous29Fri
30Sat11:024.911:584.95:121.55:260.56:445:19Waning Gibbous30Sat
31Sun11:444.16:001.75:521.06:435:20Waning Gibbous31Sun
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 5:00 am — 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 neap phase. Tonight's moon is 47% 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 minimum.

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 First Quarter (47% illuminated). This places South San Diego Bay, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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