Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Monday, August 10, 2026
The tide is currently falling in Port Chicago, CA.
Next low tide : in 1h 35m at 7:39 am (-0.1 ft)
Next high tide : 1:50 pm (4.1 ft)
Sunset today : 8:07 pm
Sunrise tomorrow : 6:19 am
Moon phase : Waning Crescent (5% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Jun 1940

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat11:113.310:524.85:210.44:281.14:467:25Waning Crescent1Sat
2Sun12:053.46:100.25:061.44:467:25Waning Crescent2Sun
3Mon12:563.66:550.05:451.74:467:26Waning Crescent3Mon
4Tue1:443.77:370.06:261.94:457:26New Moon4Tue
5Wed12:105.32:313.88:16-0.17:102.04:457:27New Moon5Wed
6Thu12:445.43:163.98:53-0.27:562.14:457:28New Moon6Thu
7Fri1:245.54:003.99:28-0.28:462.04:457:28New Moon7Fri
8Sat2:085.44:444.010:02-0.39:381.94:447:29Waxing Crescent8Sat
9Sun2:575.35:274.110:38-0.310:341.84:447:29Waxing Crescent9Sun
10Mon3:504.96:134.111:18-0.211:381.74:447:30Waxing Crescent10Mon
11Tue4:514.57:004.312:02-0.14:447:30First Quarter11Tue
12Wed6:024.17:484.512:491.512:520.14:447:31First Quarter12Wed
13Thu7:273.88:364.72:061.21:450.44:447:31First Quarter13Thu
14Fri8:533.69:235.03:200.82:400.74:447:32Waxing Gibbous14Fri
15Sat10:093.610:085.34:270.43:351.04:447:32Waxing Gibbous15Sat
16Sun11:163.810:515.55:280.14:291.34:447:32Waxing Gibbous16Sun
17Mon12:173.96:25-0.15:231.64:447:33Waxing Gibbous17Mon
18Tue1:144.17:17-0.36:161.84:447:33Full Moon18Tue
19Wed12:135.62:074.28:06-0.47:102.04:457:33Full Moon19Wed
20Thu12:535.52:584.38:51-0.38:022.14:457:34Full Moon20Thu
21Fri1:335.43:464.49:33-0.38:542.14:457:34Waning Gibbous21Fri
22Sat2:155.24:324.410:12-0.29:462.04:457:34Waning Gibbous22Sat
23Sun2:594.85:164.410:48-0.110:381.94:457:34Waning Gibbous23Sun
24Mon3:464.55:594.311:210.011:341.84:467:34Waning Gibbous24Mon
25Tue4:404.16:414.311:540.24:467:34Third Quarter25Tue
26Wed5:453.67:234.412:351.612:290.44:467:34Third Quarter26Wed
27Thu7:043.38:044.41:421.41:080.74:477:34Third Quarter27Thu
28Fri8:273.18:434.62:511.21:531.04:477:34Third Quarter28Fri
29Sat9:413.19:194.83:550.92:411.34:487:34Waning Crescent29Sat
30Sun10:463.39:535.04:530.63:301.64:487:34Waning Crescent30Sun
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 10:44 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 spring phase. Tonight's moon is 5% 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 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 Waning Crescent (5% illuminated). This places Port Chicago, 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