Tides Today & Tomorrow in National City, San Diego Bay, CA

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in National City, San Diego Bay, CA.
Next low tide : in 2h 41m at 12:11 am (1.4 ft)
Next high tide : 5:35 am (3.5 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 5:41 am
Moon phase : First Quarter (59% illuminated)
Tide Station Location : Station #9410152
Common Questions About Tides

National City, San Diego Bay, CA Tides - Apr 2038

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:205.59:065.02:311.32:59-0.36:357:08Waning Crescent1Thu
2Fri8:545.59:275.23:020.93:24-0.16:347:09New Moon2Fri
3Sat9:265.49:495.43:320.63:470.16:337:10New Moon3Sat
4Sun9:575.210:115.54:010.44:090.46:317:10New Moon4Sun
5Mon10:294.910:335.54:320.34:300.76:307:11New Moon5Mon
6Tue11:024.510:555.55:050.24:511.06:297:12Waxing Crescent6Tue
7Wed11:394.111:185.45:400.25:101.46:287:12Waxing Crescent7Wed
8Thu12:233.76:190.45:261.86:267:13Waxing Crescent8Thu
9Fri1:223.27:070.65:402.26:257:14Waxing Crescent9Fri
10Sat12:155.02:573.08:100.75:492.66:247:15Waxing Crescent10Sat
11Sun1:024.89:380.86:237:15First Quarter11Sun
12Mon2:284.66:513.611:080.510:353.16:217:16First Quarter12Mon
13Tue4:224.67:054.012:100.16:207:17First Quarter13Tue
14Wed5:425.07:294.512:022.612:57-0.26:197:17Waxing Gibbous14Wed
15Thu6:435.47:575.012:581.91:37-0.56:187:18Waxing Gibbous15Thu
16Fri7:365.78:275.61:471.12:15-0.66:177:19Waxing Gibbous16Fri
17Sat8:265.98:596.12:330.32:51-0.56:157:19Waxing Gibbous17Sat
18Sun9:145.99:336.53:18-0.33:26-0.36:147:20Full Moon18Sun
19Mon10:035.610:086.84:04-0.84:020.16:137:21Full Moon19Mon
20Tue10:535.210:466.84:51-1.14:380.66:127:22Full Moon20Tue
21Wed11:484.711:266.65:42-1.15:151.26:117:22Waning Gibbous21Wed
22Thu12:514.16:36-0.95:551.86:107:23Waning Gibbous22Thu
23Fri12:126.22:063.77:38-0.56:442.46:097:24Waning Gibbous23Fri
24Sat1:065.63:463.68:50-0.27:592.86:087:25Third Quarter24Sat
25Sun2:165.05:353.910:140.110:043.06:067:25Third Quarter25Sun
26Mon3:484.76:344.211:310.111:552.66:057:26Third Quarter26Mon
27Tue5:174.67:104.612:280.16:047:27Third Quarter27Tue
28Wed6:244.67:394.912:572.11:120.26:037:27Waning Crescent28Wed
29Thu7:164.78:035.11:401.61:460.36:027:28Waning Crescent29Thu
30Fri7:584.88:255.42:151.12:140.46:017:29Waning Crescent30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410152)

Common Questions About National City, San Diego Bay, CA Tides

Show All
What time does the tide turn (slack tide) in National City, San Diego Bay, CA today?

Slack tide in National City, San Diego Bay, CA is approximately 2:53 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 National City, San Diego Bay, CA?

National City, San Diego Bay, CA is currently in a neap phase. Tonight's moon is 59% 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 National City, 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 National City, San Diego Bay, CA?

Tide predictions for National City, 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 National City, San Diego Bay, CA?

Tide data for National City, San Diego Bay, CA is sourced from NOAA Station #9410152. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9410152.

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

Tonight the moon over National City, San Diego Bay, CA is First Quarter (59% illuminated). This places National City, 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