Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Saturday, August 1, 2026
The tide is currently rising in Port Chicago, CA.
Next low tide : 10:41 am (0.0 ft)
Next high tide : in 1h 21m at 3:35 am (4.8 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 6:11 am
Moon phase : Waning Gibbous (90% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Feb 1957

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:124.32:144.58:521.59:170.27:125:31New Moon1Fri
2Sat3:364.32:524.39:281.49:360.37:115:32Waxing Crescent2Sat
3Sun3:554.33:354.010:061.210:000.47:105:33Waxing Crescent3Sun
4Mon4:144.54:243.710:461.110:320.67:095:34Waxing Crescent4Mon
5Tue4:414.65:253.411:341.111:110.97:085:35Waxing Crescent5Tue
6Wed5:174.76:493.212:371.07:075:36First Quarter6Wed
7Thu6:024.88:233.12:020.97:065:37First Quarter7Thu
8Fri6:564.99:423.212:551.63:240.77:055:39First Quarter8Fri
9Sat7:595.010:473.52:021.94:310.47:045:40Waxing Gibbous9Sat
10Sun9:075.111:403.83:152.05:270.17:035:41Waxing Gibbous10Sun
11Mon10:135.34:261.96:15-0.17:025:42Waxing Gibbous11Mon
12Tue12:274.111:15 AM5.55:311.76:59-0.27:015:43Waxing Gibbous12Tue
13Wed1:094.312:125.56:301.47:40-0.37:005:44Full Moon13Wed
14Thu1:494.51:075.57:271.28:18-0.26:595:45Full Moon14Thu
15Fri2:274.72:015.38:220.98:55-0.16:585:46Full Moon15Fri
16Sat3:044.82:565.09:170.79:310.16:565:47Waning Gibbous16Sat
17Sun3:414.93:544.610:120.510:070.46:555:48Waning Gibbous17Sun
18Mon4:195.04:564.211:110.510:470.76:545:49Waning Gibbous18Mon
19Tue5:004.96:063.812:140.56:535:51Third Quarter19Tue
20Wed5:464.87:213.61:240.56:515:52Third Quarter20Wed
21Thu6:424.78:363.612:261.52:360.46:505:53Third Quarter21Thu
22Fri7:494.59:443.71:331.83:440.36:495:54Third Quarter22Fri
23Sat8:594.510:443.92:481.94:420.16:475:55Waning Crescent23Sat
24Sun10:024.511:344.13:581.95:320.06:465:56Waning Crescent24Sun
25Mon10:554.54:581.76:16-0.16:455:57Waning Crescent25Mon
26Tue12:184.311:40 AM4.55:501.66:530.06:435:58Waning Crescent26Tue
27Wed12:574.312:214.56:371.47:260.16:425:59New Moon27Wed
28Thu1:314.412:594.47:201.27:530.26:416:00New Moon28Thu
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 7:08 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 90% 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 Gibbous (90% 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