Tides Today & Tomorrow in South San Diego Bay, CA

TIDE TIMES for Monday, July 13, 2026
The tide is currently falling in South San Diego Bay, CA.
Next low tide : in 1h 45m at 3:33 am (-1.7 ft)
Next high tide : 10:02 am (4.4 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 5:50 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #9410135
Common Questions About Tides

South San Diego Bay, CA Tides - Jan 1990

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon12:104.411:07 AM5.55:102.46:07-0.16:504:53Waxing Crescent1Mon
2Tue12:534.712:024.86:192.46:460.56:504:54First Quarter2Tue
3Wed1:385.01:154.07:472.27:311.06:514:55First Quarter3Wed
4Thu2:305.32:503.49:251.78:271.66:514:56First Quarter4Thu
5Fri3:285.74:463.210:510.99:362.06:514:56First Quarter5Fri
6Sat4:296.26:233.411:590.010:462.26:514:57Waxing Gibbous6Sat
7Sun5:266.77:283.712:55-0.86:514:58Waxing Gibbous7Sun
8Mon6:197.18:174.01:45-1.36:514:59Waxing Gibbous8Mon
9Tue7:097.48:594.212:472.22:30-1.76:515:00Full Moon9Tue
10Wed7:567.59:384.41:402.03:11-1.86:515:01Full Moon10Wed
11Thu8:397.310:154.52:291.93:49-1.66:515:01Full Moon11Thu
12Fri9:217.010:514.63:151.84:25-1.36:515:02Full Moon12Fri
13Sat10:006.411:284.63:591.94:59-0.86:515:03Waning Gibbous13Sat
14Sun10:395.74:432.05:31-0.26:505:04Waning Gibbous14Sun
15Mon12:054.611:20 AM5.05:332.16:010.46:505:05Waning Gibbous15Mon
16Tue12:424.712:044.26:312.26:301.06:505:06Third Quarter16Tue
17Wed1:224.71:003.47:462.37:001.66:505:07Third Quarter17Wed
18Thu2:074.72:242.89:262.17:352.16:495:08Third Quarter18Thu
19Fri3:024.85:322.611:091.68:402.56:495:09Third Quarter19Fri
20Sat4:055.07:103.012:101.06:495:10Third Quarter20Sat
21Sun5:035.37:433.312:510.46:485:10Waning Crescent21Sun
22Mon5:525.78:073.61:26-0.16:485:11Waning Crescent22Mon
23Tue6:346.18:303.812:132.61:58-0.66:485:12Waning Crescent23Tue
24Wed7:136.58:544.112:592.32:29-0.96:475:13Waning Crescent24Wed
25Thu7:506.79:194.31:392.12:58-1.26:475:14New Moon25Thu
26Fri8:266.89:474.52:181.93:28-1.36:465:15New Moon26Fri
27Sat9:016.710:164.72:561.73:57-1.26:465:16New Moon27Sat
28Sun9:386.510:474.93:351.54:26-0.96:455:17Waxing Crescent28Sun
29Mon10:185.911:215.14:181.34:56-0.56:445:18Waxing Crescent29Mon
30Tue11:035.25:071.35:260.16:445:19Waxing Crescent30Tue
31Wed12:005.311:57 AM4.46:071.35:580.86:435:20Waxing Crescent31Wed
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 6:47 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 spring phase. Tonight's moon is 1% 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 New Moon (1% 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