Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Port Chicago, CA.
Next low tide : in 1h 01m at 2:11 am (1.3 ft)
Next high tide : 7:33 am (3.8 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:45 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Feb 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed7:504.610:253.41:421.84:170.57:125:30First Quarter1Wed
2Thu8:454.711:213.62:492.05:110.37:115:31Waxing Gibbous2Thu
3Fri9:414.83:542.15:570.17:105:32Waxing Gibbous3Fri
4Sat12:093.810:33 AM4.94:542.16:380.07:105:34Waxing Gibbous4Sat
5Sun12:524.011:22 AM5.15:472.07:14-0.17:095:35Waxing Gibbous5Sun
6Mon1:294.112:085.26:361.87:46-0.17:085:36Full Moon6Mon
7Tue2:024.212:555.27:231.58:15-0.17:075:37Full Moon7Tue
8Wed2:314.31:425.18:101.38:430.07:065:38Full Moon8Wed
9Thu2:574.42:304.98:571.09:110.17:055:39Waning Gibbous9Thu
10Fri3:244.63:224.69:460.89:430.37:035:40Waning Gibbous10Fri
11Sat3:544.84:204.210:390.710:200.57:025:41Waning Gibbous11Sat
12Sun4:305.05:293.811:410.711:040.97:015:42Waning Gibbous12Sun
13Mon5:135.06:513.512:550.67:005:44Third Quarter13Mon
14Tue6:065.08:163.42:160.56:595:45Third Quarter14Tue
15Wed7:105.09:343.612:591.63:320.36:585:46Third Quarter15Wed
16Thu8:274.910:403.82:181.94:380.16:575:47Waning Crescent16Thu
17Fri9:424.911:354.13:391.95:33-0.16:555:48Waning Crescent17Fri
18Sat10:475.04:491.86:22-0.26:545:49Waning Crescent18Sat
19Sun12:244.311:41 AM5.05:501.67:04-0.36:535:50Waning Crescent19Sun
20Mon1:074.512:304.96:451.47:42-0.26:525:51New Moon20Mon
21Tue1:454.61:154.87:341.28:160.06:505:52New Moon21Tue
22Wed2:204.61:584.68:201.18:450.26:495:53New Moon22Wed
23Thu2:504.62:414.49:040.99:100.46:485:54New Moon23Thu
24Fri3:164.63:264.19:460.89:330.66:465:55Waxing Crescent24Fri
25Sat3:374.64:153.810:270.89:580.96:455:56Waxing Crescent25Sat
26Sun3:584.65:123.511:120.810:311.16:445:57Waxing Crescent26Sun
27Mon4:254.76:203.312:040.86:425:58Waxing Crescent27Mon
28Tue5:014.67:363.21:090.86:416:00First Quarter28Tue
29Wed5:464.58:493.212:021.72:230.76:406:01First Quarter29Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415144)

Common Questions About Port Chicago, CA Tides

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

Slack tide in Port Chicago, CA is approximately 4:52 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 Port Chicago, CA?

Port Chicago, CA is currently in a neap phase. Tonight's moon is 49% 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 Port Chicago, 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 Port Chicago, CA?

Tide predictions for Port Chicago, 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 Port Chicago, CA?

Tide data for Port Chicago, CA is sourced from NOAA Station #9415144. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415144.

What is the moon phase in Port Chicago, CA tonight?

Tonight the moon over Port Chicago, CA is First Quarter (49% illuminated). This places Port Chicago, 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