Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Port Chicago, CA.
Next low tide (tomorrow) : 3:23 am (1.0 ft)
Next high tide : in 13m at 9:00 pm (4.6 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:45 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Sep 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:163.37:135.12:320.91:242.16:387:38Third Quarter1Wed
2Thu10:293.48:205.13:570.82:342.26:387:36Third Quarter2Thu
3Fri11:283.69:345.15:040.53:512.26:397:35Waning Crescent3Fri
4Sat12:173.85:580.35:042.06:407:33Waning Crescent4Sat
5Sun12:594.06:450.16:091.76:417:31Waning Crescent5Sun
6Mon1:374.37:260.07:091.36:427:30Waning Crescent6Mon
7Tue12:555.32:124.58:050.08:050.96:437:28New Moon7Tue
8Wed1:515.22:454.78:410.29:010.66:447:27New Moon8Wed
9Thu2:475.13:185.09:150.49:560.46:447:25New Moon9Thu
10Fri3:434.83:515.29:510.710:510.36:457:24Waxing Crescent10Fri
11Sat4:424.54:275.310:281.011:490.36:467:22Waxing Crescent11Sat
12Sun5:464.25:065.311:091.36:477:21Waxing Crescent12Sun
13Mon6:543.95:515.112:520.411:57 AM1.66:487:19First Quarter13Mon
14Tue8:073.86:464.91:590.412:541.96:497:18First Quarter14Tue
15Wed9:173.87:594.63:090.42:052.16:507:16First Quarter15Wed
16Thu10:223.99:214.44:140.33:222.16:507:14First Quarter16Thu
17Fri11:184.110:334.45:120.24:341.96:517:13Waxing Gibbous17Fri
18Sat12:064.26:010.15:361.66:527:11Waxing Gibbous18Sat
19Sun12:484.36:430.16:301.46:537:10Waxing Gibbous19Sun
20Mon12:214.31:244.47:190.27:171.16:547:08Waxing Gibbous20Mon
21Tue1:064.31:544.47:490.38:010.96:557:07Full Moon21Tue
22Wed1:474.22:184.48:140.68:420.86:567:05Full Moon22Wed
23Thu2:284.12:354.58:350.89:200.76:567:03Full Moon23Thu
24Fri3:094.02:484.78:551.19:560.66:577:02Full Moon24Fri
25Sat3:533.93:074.99:201.310:290.66:587:00Waning Gibbous25Sat
26Sun4:403.73:345.19:521.511:040.66:596:59Waning Gibbous26Sun
27Mon5:343.64:105.210:301.711:460.57:006:57Waning Gibbous27Mon
28Tue6:383.54:545.211:151.97:016:56Waning Gibbous28Tue
29Wed7:493.45:455.112:420.612:092.07:026:54Third Quarter29Wed
30Thu8:593.46:464.81:570.51:152.17:036:52Third Quarter30Thu
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 12:11 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 neap phase. Tonight's moon is 49% 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 minimum.

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 First Quarter (49% illuminated). This places Port Chicago, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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