Tides Today & Tomorrow in South San Diego Bay, CA

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently rising in South San Diego Bay, CA.
Next low tide : 9:50 am (2.5 ft)
Next high tide : in 4h 04m at 5:35 am (3.0 ft)
Sunset today : 7:53 pm
Sunrise tomorrow : 5:56 am
Moon phase : First Quarter (63% illuminated)
Tide Station Location : Station #9410135
Common Questions About Tides

South San Diego Bay, CA Tides - Jun 2070

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:144.34:214.59:200.810:252.65:417:51Third Quarter1Sun
2Mon3:404.05:115.010:180.911:391.85:417:52Third Quarter2Mon
3Tue5:093.95:565.611:151.05:417:52Third Quarter3Tue
4Wed6:254.06:406.312:361.012:061.15:407:53Waning Crescent4Wed
5Thu7:284.37:226.81:270.112:551.25:407:53Waning Crescent5Thu
6Fri8:254.58:057.32:17-0.71:431.25:407:54Waning Crescent6Fri
7Sat9:184.78:497.63:05-1.32:321.35:407:54New Moon7Sat
8Sun10:094.79:347.73:52-1.73:201.45:407:55New Moon8Sun
9Mon10:594.710:207.54:38-1.84:081.65:407:55New Moon9Mon
10Tue11:524.711:077.05:25-1.64:581.85:407:56Waxing Crescent10Tue
11Wed12:474.76:13-1.35:532.15:407:56Waxing Crescent11Wed
12Thu1:444.77:02-0.86:582.45:407:56Waxing Crescent12Thu
13Fri12:535.62:444.77:54-0.28:162.55:407:57First Quarter13Fri
14Sat1:554.83:454.98:490.49:482.45:407:57First Quarter14Sat
15Sun3:074.14:465.19:450.911:212.05:407:58First Quarter15Sun
16Mon4:363.75:395.410:431.35:407:58First Quarter16Mon
17Tue6:083.66:225.712:311.511:36 AM1.65:407:58Waxing Gibbous17Tue
18Wed7:183.76:596.01:230.912:231.85:407:58Waxing Gibbous18Wed
19Thu8:103.87:336.22:040.51:051.95:417:59Waxing Gibbous19Thu
20Fri8:523.98:066.42:400.11:452.05:417:59Waxing Gibbous20Fri
21Sat9:284.18:386.53:14-0.22:232.05:417:59Full Moon21Sat
22Sun10:024.19:116.53:46-0.42:592.15:417:59Full Moon22Sun
23Mon10:354.29:426.54:17-0.53:342.25:427:59Full Moon23Mon
24Tue11:094.210:146.34:48-0.54:072.35:428:00Full Moon24Tue
25Wed11:454.210:456.15:19-0.54:402.45:428:00Waning Gibbous25Wed
26Thu12:224.35:51-0.35:162.55:438:00Waning Gibbous26Thu
27Fri1:024.36:24-0.15:592.65:438:00Waning Gibbous27Fri
28Sat1:454.56:590.26:572.75:438:00Waning Gibbous28Sat
29Sun12:424.92:314.77:380.68:152.65:448:00Third Quarter29Sun
30Mon1:454.43:225.08:240.99:442.35:448:00Third Quarter30Mon
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 7:42 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 transitional phase. Tonight's moon is 63% 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 First Quarter (63% 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