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 33m 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 - Apr 2042

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:474.312:094.16:271.37:12-0.16:527:31Waxing Gibbous1Tue
2Wed1:244.412:564.07:161.07:430.16:507:32Waxing Gibbous2Wed
3Thu1:554.41:393.98:000.78:080.36:497:33Full Moon3Thu
4Fri2:214.42:213.88:420.58:280.66:477:34Full Moon4Fri
5Sat2:394.43:023.79:200.48:440.86:467:35Full Moon5Sat
6Sun2:484.53:463.69:570.39:051.16:447:36Full Moon6Sun
7Mon2:594.74:333.510:310.29:331.36:437:36Waning Gibbous7Mon
8Tue3:205.05:263.411:040.210:081.66:417:37Waning Gibbous8Tue
9Wed3:505.16:273.311:410.210:491.96:407:38Waning Gibbous9Wed
10Thu4:285.17:373.312:280.26:387:39Waning Gibbous10Thu
11Fri5:145.08:483.31:340.36:377:40Third Quarter11Fri
12Sat6:084.89:513.412:402.32:520.26:367:41Third Quarter12Sat
13Sun7:164.510:443.61:562.34:010.06:347:42Third Quarter13Sun
14Mon8:394.311:293.83:222.14:57-0.16:337:43Third Quarter14Mon
15Tue10:094.24:391.75:44-0.26:317:44Waning Crescent15Tue
16Wed12:074.011:26 AM4.35:441.26:25-0.26:307:45Waning Crescent16Wed
17Thu12:404.312:304.36:430.77:030.06:297:46Waning Crescent17Thu
18Fri1:114.61:294.37:370.27:390.36:277:47New Moon18Fri
19Sat1:414.92:274.28:30-0.18:150.76:267:48New Moon19Sat
20Sun2:115.23:254.19:23-0.38:531.16:247:49New Moon20Sun
21Mon2:435.44:264.010:16-0.49:341.46:237:49Waxing Crescent21Mon
22Tue3:175.55:293.911:10-0.410:191.86:227:50Waxing Crescent22Tue
23Wed3:565.46:363.812:07-0.36:207:51Waxing Crescent23Wed
24Thu4:395.27:433.81:07-0.16:197:52Waxing Crescent24Thu
25Fri5:294.88:483.812:152.32:110.06:187:53First Quarter25Fri
26Sat6:344.39:473.91:302.33:140.06:177:54First Quarter26Sat
27Sun8:013.910:404.12:522.14:100.06:157:55First Quarter27Sun
28Mon9:343.611:254.24:081.84:590.06:147:56First Quarter28Mon
29Tue10:473.55:121.35:400.16:137:57Waxing Gibbous29Tue
30Wed12:044.311:46 AM3.56:080.86:150.26:127:58Waxing Gibbous30Wed
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