Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in Port Chicago, CA.
Next low tide (tomorrow) : 12:03 am (1.7 ft)
Next high tide : in 1m at 6:35 pm (4.1 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:50 am
Moon phase : Waning Gibbous (80% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Jul 1992

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed2:066.04:354.210:11-0.49:322.05:498:34New Moon1Wed
2Thu3:005.85:174.310:51-0.510:321.85:498:34Waxing Crescent2Thu
3Fri3:575.45:594.511:28-0.411:331.55:508:34Waxing Crescent3Fri
4Sat4:565.06:414.612:06-0.25:508:34Waxing Crescent4Sat
5Sun6:024.57:264.812:381.312:450.15:518:34First Quarter5Sun
6Mon7:173.98:124.91:491.11:280.45:518:33First Quarter6Mon
7Tue8:383.69:015.13:030.82:150.95:528:33First Quarter7Tue
8Wed9:583.59:505.24:150.53:071.35:538:33First Quarter8Wed
9Thu11:113.510:395.35:230.34:051.75:538:33Waxing Gibbous9Thu
10Fri12:163.76:230.05:042.05:548:32Waxing Gibbous10Fri
11Sat1:143.97:16-0.16:012.25:558:32Waxing Gibbous11Sat
12Sun12:085.42:054.18:04-0.26:562.45:558:31Full Moon12Sun
13Mon12:485.32:514.28:47-0.27:472.45:568:31Full Moon13Mon
14Tue1:255.33:344.39:25-0.18:342.35:578:30Full Moon14Tue
15Wed2:015.14:124.39:58-0.19:192.25:578:30Full Moon15Wed
16Thu2:375.04:464.310:250.010:012.05:588:29Full Moon16Thu
17Fri3:164.85:164.310:470.110:431.85:598:29Waning Gibbous17Fri
18Sat3:574.55:404.311:060.211:261.76:008:28Waning Gibbous18Sat
19Sun4:424.26:024.411:280.36:008:28Waning Gibbous19Sun
20Mon5:333.86:254.512:121.511:57 AM0.56:018:27Waning Gibbous20Mon
21Tue6:363.56:554.71:071.412:330.86:028:26Third Quarter21Tue
22Wed8:023.27:344.92:151.31:161.26:038:25Third Quarter22Wed
23Thu9:383.18:215.23:341.12:071.66:048:25Third Quarter23Thu
24Fri10:593.29:155.44:490.93:062.06:048:24Third Quarter24Fri
25Sat12:063.55:530.64:102.26:058:23Waning Crescent25Sat
26Sun1:023.76:480.35:172.36:068:22Waning Crescent26Sun
27Mon1:514.07:370.06:232.36:078:21Waning Crescent27Mon
28Tue12:115.92:354.18:22-0.27:262.16:088:21New Moon28Tue
29Wed1:095.93:174.39:03-0.28:261.86:088:20New Moon29Wed
30Thu2:045.83:564.59:42-0.39:251.66:098:19New Moon30Thu
31Fri3:005.64:344.710:18-0.210:231.36:108:18Waxing Crescent31Fri
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 9:19 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 80% 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 (80% 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