Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently falling in Port Chicago, CA.
Next low tide : in 3h 03m at 10:06 am (-0.2 ft)
Next high tide : 4:29 pm (4.1 ft)
Sunset today : 8:35 pm
Sunrise tomorrow : 5:48 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Jul 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:003.59:174.52:441.52:150.65:498:34First Quarter1Wed
2Thu9:193.39:584.63:511.22:580.95:498:34First Quarter2Thu
3Fri10:323.210:354.74:540.93:441.25:508:34First Quarter3Fri
4Sat11:373.311:084.95:520.64:311.55:508:34Waxing Gibbous4Sat
5Sun12:363.56:440.45:181.85:518:34Waxing Gibbous5Sun
6Mon1:293.77:310.26:052.05:518:34Waxing Gibbous6Mon
7Tue12:085.22:193.98:140.16:522.25:528:33Waxing Gibbous7Tue
8Wed12:415.43:044.08:550.07:412.35:528:33Full Moon8Wed
9Thu1:195.53:474.19:32-0.18:302.25:538:33Full Moon9Thu
10Fri2:015.64:274.210:07-0.19:202.15:548:32Full Moon10Fri
11Sat2:475.55:054.310:40-0.210:112.05:548:32Waning Gibbous11Sat
12Sun3:355.45:434.411:13-0.211:041.85:558:32Waning Gibbous12Sun
13Mon4:285.16:214.511:48-0.15:568:31Waning Gibbous13Mon
14Tue5:264.77:034.612:021.612:270.05:568:31Waning Gibbous14Tue
15Wed6:334.37:484.81:081.51:110.35:578:30Third Quarter15Wed
16Thu7:563.98:375.02:231.32:010.65:588:30Third Quarter16Thu
17Fri9:243.79:295.23:421.02:571.05:598:29Third Quarter17Fri
18Sat10:453.710:215.44:560.73:571.35:598:28Waning Crescent18Sat
19Sun11:553.811:125.66:010.44:581.66:008:28Waning Crescent19Sun
20Mon12:564.06:590.15:591.86:018:27Waning Crescent20Mon
21Tue12:015.71:524.27:520.06:572.06:028:27Waning Crescent21Tue
22Wed12:485.72:444.48:40-0.17:532.16:028:26New Moon22Wed
23Thu1:335.63:324.59:24-0.18:462.16:038:25New Moon23Thu
24Fri2:165.54:174.510:03-0.19:372.06:048:24New Moon24Fri
25Sat3:005.34:584.510:390.010:261.96:058:24Waxing Crescent25Sat
26Sun3:445.05:374.511:100.111:151.86:068:23Waxing Crescent26Sun
27Mon4:304.76:144.411:370.36:068:22Waxing Crescent27Mon
28Tue5:204.36:494.412:051.712:040.46:078:21Waxing Crescent28Tue
29Wed6:183.97:234.412:591.512:340.66:088:20First Quarter29Wed
30Thu7:283.57:584.42:011.41:110.96:098:19First Quarter30Thu
31Fri8:473.38:374.53:091.31:561.26:108:18First Quarter31Fri
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 1:17 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