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

TIDE TIMES for Wednesday, June 17, 2026
The tide is currently falling in National City, San Diego Bay, CA.
Next low tide : in 2h 13m at 6:15 am (-1.5 ft)
Next high tide : 12:43 pm (4.4 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 5:40 am
Moon phase : Waxing Crescent (10% illuminated)
Tide Station Location : Station #9410152
Common Questions About Tides

National City, San Diego Bay, CA Tides - Nov 2028

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:476.59:494.62:401.73:460.07:065:57Full Moon1Wed
2Thu9:126.610:284.43:052.04:20-0.27:075:56Full Moon2Thu
3Fri9:396.611:104.23:302.24:56-0.27:085:55Full Moon3Fri
4Sat10:086.611:593.93:542.45:37-0.17:095:54Waning Gibbous4Sat
5Sun9:406.411:593.83:202.65:240.06:104:53Waning Gibbous5Sun
6Mon10:196.23:492.96:180.26:114:53Waning Gibbous6Mon
7Tue1:123.711:11 AM5.84:333.27:200.46:114:52Waning Gibbous7Tue
8Wed2:363.912:235.46:103.48:270.56:124:51Third Quarter8Wed
9Thu3:424.31:575.08:253.39:300.56:134:50Third Quarter9Thu
10Fri4:244.83:314.810:072.710:230.66:144:50Third Quarter10Fri
11Sat5:005.44:494.811:151.811:090.76:154:49Waning Crescent11Sat
12Sun5:356.15:544.912:100.86:164:48Waning Crescent12Sun
13Mon6:116.76:534.91:000.06:174:48Waning Crescent13Mon
14Tue6:477.27:474.912:311.11:47-0.76:184:47Waning Crescent14Tue
15Wed7:257.58:384.81:101.42:33-1.16:194:47New Moon15Wed
16Thu8:037.69:294.61:501.73:18-1.36:204:46New Moon16Thu
17Fri8:437.510:204.42:302.04:04-1.26:204:46New Moon17Fri
18Sat9:237.211:154.33:102.24:51-1.06:214:45Waxing Crescent18Sat
19Sun10:066.73:532.55:40-0.56:224:45Waxing Crescent19Sun
20Mon12:154.110:52 AM6.14:412.86:32-0.16:234:44Waxing Crescent20Mon
21Tue1:204.111:45 AM5.55:423.17:270.46:244:44Waxing Crescent21Tue
22Wed2:304.212:494.87:063.28:240.86:254:44First Quarter22Wed
23Thu3:354.42:094.38:563.19:211.16:264:43First Quarter23Thu
24Fri4:214.73:384.010:342.610:101.36:274:43First Quarter24Fri
25Sat4:555.04:543.911:342.010:511.66:284:43First Quarter25Sat
26Sun5:245.45:553.912:171.46:284:43Waxing Gibbous26Sun
27Mon5:525.76:474.012:540.86:294:42Waxing Gibbous27Mon
28Tue6:196.17:314.01:290.36:304:42Waxing Gibbous28Tue
29Wed6:486.38:124.112:312.12:03-0.16:314:42Waxing Gibbous29Wed
30Thu7:186.68:504.11:042.22:37-0.46:324:42Full Moon30Thu
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 9:29 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 spring phase. Tonight's moon is 10% 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 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 Waxing Crescent (10% illuminated). This places National City, 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