Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Tuesday, August 11, 2026
The tide is currently falling in Port Chicago, CA.
Next low tide : in 4h 20m at 7:38 pm (2.1 ft)
Next high tide (tomorrow) : 1:20 am (5.7 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 6:20 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Oct 1937

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:504.611:414.45:420.15:530.76:035:51Waning Crescent1Fri
2Sat12:284.76:200.36:440.56:045:50New Moon2Sat
3Sun12:314.41:004.76:550.67:330.36:055:48New Moon3Sun
4Mon1:194.31:284.87:250.88:190.36:065:47New Moon4Mon
5Tue2:074.21:504.87:531.19:030.36:075:45New Moon5Tue
6Wed2:554.02:094.88:201.49:450.36:085:44Waxing Crescent6Wed
7Thu3:453.92:314.98:511.610:270.36:095:42Waxing Crescent7Thu
8Fri4:383.83:004.89:281.811:100.46:105:41Waxing Crescent8Fri
9Sat5:343.73:384.710:121.911:580.46:115:39Waxing Crescent9Sat
10Sun6:333.64:234.511:032.06:115:38First Quarter10Sun
11Mon7:333.65:184.212:520.412:042.06:125:36First Quarter11Mon
12Tue8:293.66:264.01:500.41:142.06:135:35First Quarter12Tue
13Wed9:203.77:493.82:450.32:281.76:145:34First Quarter13Wed
14Thu10:033.89:103.83:340.33:341.46:155:32Waxing Gibbous14Thu
15Fri10:404.010:173.94:160.34:321.16:165:31Waxing Gibbous15Fri
16Sat11:114.311:154.04:530.45:250.76:175:29Waxing Gibbous16Sat
17Sun11:374.55:270.66:140.46:185:28Waxing Gibbous17Sun
18Mon12:104.112:034.96:020.87:030.26:195:27Full Moon18Mon
19Tue1:034.112:325.26:381.07:510.06:205:25Full Moon19Tue
20Wed1:574.11:065.57:191.38:42-0.16:215:24Full Moon20Wed
21Thu2:534.11:455.68:031.59:34-0.26:225:23Waning Gibbous21Thu
22Fri3:524.02:305.68:531.610:29-0.26:235:21Waning Gibbous22Fri
23Sat4:533.93:195.49:481.811:27-0.16:245:20Waning Gibbous23Sat
24Sun5:573.94:165.110:501.86:255:19Third Quarter24Sun
25Mon7:013.95:254.612:290.012:021.86:265:17Third Quarter25Mon
26Tue8:024.06:494.21:320.01:211.66:275:16Third Quarter26Tue
27Wed8:584.28:184.02:320.02:381.36:285:15Third Quarter27Wed
28Thu9:494.49:333.93:270.13:480.96:295:14Waning Crescent28Thu
29Fri10:344.610:373.84:150.24:490.56:305:13Waning Crescent29Fri
30Sat11:144.711:343.84:570.45:450.16:315:11Waning Crescent30Sat
31Sun11:494.85:360.76:35-0.16:325:10Waning Crescent31Sun
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 10:29 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 Port Chicago, CA?

Port Chicago, CA is currently in a spring phase. Tonight's moon is 1% 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 New Moon (1% 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