Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Thursday, July 30, 2026
The tide is currently falling in Port Chicago, CA.
Next low tide : in 17m at 9:59 am (-0.1 ft)
Next high tide : 4:21 pm (4.2 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 6:09 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Jul 1960

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri7:103.78:244.41:591.61:320.45:498:34First Quarter1Fri
2Sat8:333.59:054.73:121.32:220.75:498:34First Quarter2Sat
3Sun10:013.49:495.04:251.03:151.05:508:34First Quarter3Sun
4Mon11:183.510:355.45:310.74:111.35:508:34Waxing Gibbous4Mon
5Tue12:253.76:310.35:091.65:518:34Waxing Gibbous5Tue
6Wed1:253.97:260.16:091.95:518:34Waxing Gibbous6Wed
7Thu12:135.92:214.28:18-0.27:102.05:528:33Full Moon7Thu
8Fri1:046.03:144.39:07-0.38:122.05:528:33Full Moon8Fri
9Sat1:566.04:044.59:54-0.49:142.05:538:33Full Moon9Sat
10Sun2:495.84:534.610:39-0.410:141.85:548:32Waning Gibbous10Sun
11Mon3:445.55:414.711:22-0.311:151.75:548:32Waning Gibbous11Mon
12Tue4:425.16:284.812:03-0.25:558:31Waning Gibbous12Tue
13Wed5:444.67:164.812:171.512:450.15:568:31Waning Gibbous13Wed
14Thu6:554.28:044.81:241.41:290.35:568:31Third Quarter14Thu
15Fri8:113.88:534.92:341.22:150.75:578:30Third Quarter15Fri
16Sat9:283.69:424.93:450.93:061.05:588:29Third Quarter16Sat
17Sun10:393.610:295.04:520.73:591.35:598:29Waning Crescent17Sun
18Mon11:433.711:125.15:520.44:521.65:598:28Waning Crescent18Mon
19Tue12:413.86:450.25:431.96:008:28Waning Crescent19Tue
20Wed1:334.07:330.16:322.06:018:27Waning Crescent20Wed
21Thu12:265.22:204.18:160.17:192.16:028:26New Moon21Thu
22Fri1:005.23:034.28:540.18:042.26:028:26New Moon22Fri
23Sat1:325.23:434.39:280.18:472.26:038:25New Moon23Sat
24Sun2:075.24:184.39:560.29:282.16:048:24New Moon24Sun
25Mon2:445.14:504.210:190.210:091.96:058:23New Moon25Mon
26Tue3:245.05:164.310:390.210:501.86:068:23Waxing Crescent26Tue
27Wed4:084.85:394.311:030.211:341.66:078:22Waxing Crescent27Wed
28Thu4:564.56:044.511:340.26:078:21Waxing Crescent28Thu
29Fri5:514.16:374.612:241.512:120.46:088:20First Quarter29Fri
30Sat6:583.87:184.81:251.412:560.76:098:19First Quarter30Sat
31Sun8:223.68:075.02:401.21:471.16:108:18First Quarter31Sun
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 1:10 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 99% 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 Full Moon (99% 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