Tides Today & Tomorrow in Antioch, CA

TIDE TIMES for Wednesday, August 19, 2026
The tide is currently falling in Antioch, CA.
Next low tide : in 3h 10m at 3:44 am (0.7 ft)
Next high tide : 9:34 am (2.7 ft)
Sunset today : 7:55 pm
Sunrise tomorrow : 6:26 am
Moon phase : First Quarter (47% illuminated)
Tide Station Location : Station #9415064
Common Questions About Tides

Antioch, CA Tides - Nov 1942

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun11:053.19:383.14:270.14:261.37:326:09Third Quarter1Sun
2Mon11:503.210:583.15:160.15:301.17:336:07Third Quarter2Mon
3Tue12:303.46:010.16:280.87:346:06Waning Crescent3Tue
4Wed12:023.11:053.56:420.27:220.57:356:05Waning Crescent4Wed
5Thu12:583.11:343.67:210.38:130.27:376:04Waning Crescent5Thu
6Fri1:513.11:573.77:570.49:020.07:386:03Waning Crescent6Fri
7Sat2:433.02:183.98:340.69:51-0.37:396:02New Moon7Sat
8Sun3:363.02:464.09:120.710:40-0.47:406:01New Moon8Sun
9Mon4:312.93:224.29:540.811:30-0.67:416:00New Moon9Mon
10Tue5:282.94:044.210:400.97:426:00Waxing Crescent10Tue
11Wed6:262.94:514.212:21-0.611:32 AM1.07:435:59Waxing Crescent11Wed
12Thu7:252.95:434.01:13-0.612:301.17:445:58Waxing Crescent12Thu
13Fri8:263.06:443.72:07-0.51:361.17:455:57First Quarter13Fri
14Sat9:253.18:033.43:03-0.42:491.17:465:56First Quarter14Sat
15Sun10:233.39:433.14:00-0.34:061.07:475:56First Quarter15Sun
16Mon11:173.511:053.04:56-0.25:190.87:485:55First Quarter16Mon
17Tue12:063.75:49-0.16:270.57:495:54Waxing Gibbous17Tue
18Wed12:132.912:513.96:380.07:280.37:515:53Waxing Gibbous18Wed
19Thu1:132.91:323.97:230.28:230.07:525:53Waxing Gibbous19Thu
20Fri2:082.82:083.98:060.59:14-0.27:535:52Waxing Gibbous20Fri
21Sat3:012.82:393.98:470.710:01-0.37:545:52Full Moon21Sat
22Sun3:542.73:053.89:250.910:46-0.37:555:51Full Moon22Sun
23Mon4:452.73:253.810:031.211:28-0.37:565:51Full Moon23Mon
24Tue5:352.73:473.810:401.37:575:50Full Moon24Tue
25Wed6:242.74:183.812:07-0.311:19 AM1.47:585:50Waning Gibbous25Wed
26Thu7:132.84:563.712:45-0.312:021.57:595:49Waning Gibbous26Thu
27Fri8:012.95:403.61:22-0.312:501.58:005:49Waning Gibbous27Fri
28Sat8:493.06:303.52:00-0.21:451.58:015:49Waning Gibbous28Sat
29Sun9:363.17:293.22:40-0.12:471.48:025:48Third Quarter29Sun
30Mon10:223.28:443.03:230.03:541.38:035:48Third Quarter30Mon
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 6:39 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 Antioch, CA?

Antioch, CA is currently in a neap phase. Tonight's moon is 47% 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 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 First Quarter (47% illuminated). This places Antioch, 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