Tides Today & Tomorrow in Antioch, CA

TIDE TIMES for Saturday, July 18, 2026
The tide is currently rising in Antioch, CA.
Next low tide (tomorrow) : 1:52 am (1.2 ft)
Next high tide : in 5h 17m at 7:52 pm (3.7 ft)
Sunset today : 8:27 pm
Sunrise tomorrow : 5:59 am
Moon phase : Waxing Crescent (24% illuminated)
Tide Station Location : Station #9415064
Common Questions About Tides

Antioch, CA Tides - Sep 2071

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:093.09:533.84:150.53:261.36:377:36First Quarter1Tue
2Wed11:133.010:543.85:190.34:291.46:387:35First Quarter2Wed
3Thu12:103.26:170.25:311.56:397:33Waxing Gibbous3Thu
4Fri1:013.37:080.16:291.46:407:32Waxing Gibbous4Fri
5Sat12:373.91:473.47:520.07:211.36:407:30Waxing Gibbous5Sat
6Sun1:203.92:293.58:320.08:091.26:417:29Waxing Gibbous6Sun
7Mon2:003.83:073.59:080.18:541.16:427:27Full Moon7Mon
8Tue2:363.83:413.59:410.29:381.16:437:26Full Moon8Tue
9Wed3:123.74:093.610:110.310:201.06:447:24Full Moon9Wed
10Thu3:483.64:303.610:400.411:010.96:457:23Full Moon10Thu
11Fri4:283.54:463.711:080.511:430.86:467:21Waning Gibbous11Fri
12Sat5:123.45:093.911:370.66:467:19Waning Gibbous12Sat
13Sun6:043.25:424.012:280.712:110.76:477:18Waning Gibbous13Sun
14Mon7:103.06:244.11:200.612:520.96:487:16Waning Gibbous14Mon
15Tue8:312.87:144.02:210.61:421.16:497:15Third Quarter15Tue
16Wed9:482.88:134.03:300.52:441.26:507:13Third Quarter16Wed
17Thu10:572.99:263.94:400.43:571.36:517:12Third Quarter17Thu
18Fri11:563.010:473.95:450.25:111.36:527:10Waning Crescent18Fri
19Sat12:493.26:420.16:201.16:527:08Waning Crescent19Sat
20Sun1:363.47:330.07:220.96:537:07Waning Crescent20Sun
21Mon1:014.02:203.58:190.08:200.76:547:05Waning Crescent21Mon
22Tue1:573.93:013.69:020.09:160.56:557:04New Moon22Tue
23Wed2:523.83:413.79:440.210:100.46:567:02New Moon23Wed
24Thu3:463.74:183.810:230.311:030.36:577:01New Moon24Thu
25Fri4:413.54:533.811:020.511:550.26:586:59Waxing Crescent25Fri
26Sat5:383.35:273.811:410.76:586:57Waxing Crescent26Sat
27Sun6:383.26:013.712:480.212:200.96:596:56Waxing Crescent27Sun
28Mon7:403.06:413.71:430.21:041.17:006:54Waxing Crescent28Mon
29Tue8:443.07:313.52:390.21:541.37:016:53First Quarter29Tue
30Wed9:463.08:433.43:380.22:531.47:026:51First Quarter30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415064)

Common Questions About Antioch, CA Tides

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What time does the tide turn (slack tide) in Antioch, CA today?

Slack tide in Antioch, CA is approximately 10:52 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 Antioch, CA?

Antioch, CA is currently in a transitional phase. Tonight's moon is 24% 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 Antioch, 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 Antioch, CA?

Tide predictions for Antioch, 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 Antioch, CA?

Tide data for Antioch, CA is sourced from NOAA Station #9415064. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415064.

What is the moon phase in Antioch, CA tonight?

Tonight the moon over Antioch, CA is Waxing Crescent (24% illuminated). This places Antioch, 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