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 1h 06m at 11:05 am (1.7 ft)
Next high tide : 5:51 pm (5.7 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 5:41 am
Moon phase : First Quarter (69% illuminated)
Tide Station Location : Station #9410152
Common Questions About Tides

National City, San Diego Bay, CA Tides - Mar 2039

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:374.61:422.97:491.56:052.26:155:45First Quarter1Tue
2Wed1:254.59:441.46:145:46First Quarter2Wed
3Thu2:464.47:403.211:251.09:363.06:135:47First Quarter3Thu
4Fri4:144.67:283.512:180.56:125:48First Quarter4Fri
5Sat5:184.97:373.812:560.06:105:48Waxing Gibbous5Sat
6Sun6:075.47:534.112:112.51:28-0.46:095:49Waxing Gibbous6Sun
7Mon6:495.88:134.412:532.11:58-0.76:085:50Waxing Gibbous7Mon
8Tue7:276.28:374.71:311.62:27-0.96:075:51Waxing Gibbous8Tue
9Wed8:056.49:035.02:081.22:56-1.06:055:51Full Moon9Wed
10Thu8:436.49:315.32:460.83:26-0.96:045:52Full Moon10Thu
11Fri9:236.210:025.53:260.43:55-0.66:035:53Full Moon11Fri
12Sat10:055.710:355.74:100.24:26-0.16:025:54Waning Gibbous12Sat
13Sun11:535.05:580.15:570.57:006:54Waning Gibbous13Sun
14Mon12:125.712:514.26:550.26:291.16:596:55Waning Gibbous14Mon
15Tue12:565.72:063.58:040.37:061.86:586:56Third Quarter15Tue
16Wed1:505.54:013.19:360.48:022.46:566:57Third Quarter16Wed
17Thu3:075.26:243.311:180.110:112.86:556:57Third Quarter17Thu
18Fri4:415.27:293.812:35-0.36:546:58Third Quarter18Fri
19Sat6:025.58:064.312:032.61:31-0.76:536:59Waning Crescent19Sat
20Sun7:045.88:354.61:122.12:15-0.96:516:59Waning Crescent20Sun
21Mon7:556.09:034.92:021.62:51-0.96:507:00Waning Crescent21Mon
22Tue8:386.19:295.22:441.13:23-0.86:497:01Waning Crescent22Tue
23Wed9:166.09:555.43:210.73:51-0.66:477:02New Moon23Wed
24Thu9:515.710:205.53:550.54:17-0.36:467:02New Moon24Thu
25Fri10:265.410:445.54:290.34:410.26:457:03New Moon25Fri
26Sat11:004.911:085.55:030.35:030.66:437:04Waxing Crescent26Sat
27Sun11:364.411:325.35:390.35:231.16:427:04Waxing Crescent27Sun
28Mon12:173.96:170.55:401.66:417:05Waxing Crescent28Mon
29Tue1:083.37:020.75:512.06:397:06Waxing Crescent29Tue
30Wed12:224.92:292.98:010.95:472.46:387:07Waxing Crescent30Wed
31Thu12:564.69:291.16:377:07First Quarter31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410152)

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

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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 2:28 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 National City, San Diego Bay, CA?

National City, San Diego Bay, CA is currently in a transitional phase. Tonight's moon is 69% 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 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 (69% illuminated). This places National City, 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