Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Port Chicago, CA.
Next low tide : in 5h 05m at 2:13 pm (0.2 ft)
Next high tide : 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 - Jul 2011

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:265.64:074.09:42-0.28:472.35:498:34New Moon1Fri
2Sat2:125.64:444.110:14-0.39:382.15:498:34New Moon2Sat
3Sun3:015.55:194.210:45-0.310:311.85:508:34Waxing Crescent3Sun
4Mon3:525.25:534.311:16-0.311:261.65:508:34Waxing Crescent4Mon
5Tue4:464.96:294.511:49-0.15:518:34Waxing Crescent5Tue
6Wed5:474.47:074.712:271.412:260.15:518:34First Quarter6Wed
7Thu6:593.97:504.91:361.21:080.45:528:33First Quarter7Thu
8Fri8:243.68:385.12:521.01:570.85:528:33First Quarter8Fri
9Sat9:513.49:305.34:090.72:511.35:538:33First Quarter9Sat
10Sun11:093.510:235.55:190.43:521.75:548:32Waxing Gibbous10Sun
11Mon12:173.76:220.14:572.05:548:32Waxing Gibbous11Mon
12Tue1:164.07:18-0.16:012.25:558:32Waxing Gibbous12Tue
13Wed12:065.72:104.28:09-0.27:032.35:568:31Full Moon13Wed
14Thu12:555.62:594.38:55-0.38:002.35:568:31Full Moon14Thu
15Fri1:405.53:444.49:36-0.28:552.25:578:30Full Moon15Fri
16Sat2:255.34:264.410:13-0.29:452.05:588:30Full Moon16Sat
17Sun3:095.05:044.510:46-0.110:341.95:588:29Waning Gibbous17Sun
18Mon3:534.75:394.411:140.111:231.75:598:29Waning Gibbous18Mon
19Tue4:404.36:104.511:380.36:008:28Waning Gibbous19Tue
20Wed5:333.96:404.512:131.512:030.56:018:27Waning Gibbous20Wed
21Thu6:373.57:094.61:091.412:330.86:028:27Third Quarter21Thu
22Fri7:553.27:424.72:141.31:111.16:028:26Third Quarter22Fri
23Sat9:183.18:214.83:251.11:571.56:038:25Third Quarter23Sat
24Sun10:353.29:064.94:350.92:511.96:048:24Third Quarter24Sun
25Mon11:423.49:565.15:360.63:522.26:058:24Waning Crescent25Mon
26Tue12:393.66:290.44:542.36:068:23Waning Crescent26Tue
27Wed1:293.87:160.25:532.46:068:22Waning Crescent27Wed
28Thu2:124.07:570.16:502.36:078:21Waning Crescent28Thu
29Fri12:295.62:524.18:350.07:432.16:088:20New Moon29Fri
30Sat1:185.63:274.29:10-0.18:361.96:098:19New Moon30Sat
31Sun2:085.64:004.49:41-0.19:281.66:108:18New Moon31Sun
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 5:36 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 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