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 : 2:13 pm (0.2 ft)
Next high tide : in 1h 52m at 7:33 am (3.8 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 - Oct 2011

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:014.14:505.311:061.67:036:51Waxing Crescent1Sat
2Sun7:093.95:445.112:560.112:041.87:046:50First Quarter2Sun
3Mon8:183.96:524.72:030.21:131.97:056:48First Quarter3Mon
4Tue9:244.08:184.43:100.22:321.97:066:47First Quarter4Tue
5Wed10:234.19:444.24:110.13:491.77:076:45First Quarter5Wed
6Thu11:154.310:534.15:050.14:581.37:086:44Waxing Gibbous6Thu
7Fri12:004.45:520.15:571.07:096:42Waxing Gibbous7Fri
8Sat12:394.56:320.26:500.77:106:41Waxing Gibbous8Sat
9Sun12:424.01:134.67:080.47:370.57:116:39Waxing Gibbous9Sun
10Mon1:284.01:414.67:380.78:220.47:126:38Full Moon10Mon
11Tue2:133.92:034.68:051.09:030.37:126:36Full Moon11Tue
12Wed2:583.92:184.78:281.39:420.37:136:35Full Moon12Wed
13Thu3:433.82:354.98:541.510:180.37:146:33Full Moon13Thu
14Fri4:303.72:595.09:251.710:510.37:156:32Waning Gibbous14Fri
15Sat5:193.63:325.110:031.811:250.37:166:31Waning Gibbous15Sat
16Sun6:123.64:125.010:461.97:176:29Waning Gibbous16Sun
17Mon7:103.54:594.812:040.311:36 AM2.07:186:28Waning Gibbous17Mon
18Tue8:083.55:534.612:530.312:352.07:196:26Third Quarter18Tue
19Wed9:043.56:584.31:530.31:431.97:206:25Third Quarter19Wed
20Thu9:553.68:164.12:560.22:591.77:216:24Third Quarter20Thu
21Fri10:393.89:404.03:530.24:111.37:226:22Third Quarter21Fri
22Sat11:174.110:564.14:420.25:150.97:236:21Waning Crescent22Sat
23Sun11:524.45:260.36:140.57:246:20Waning Crescent23Sun
24Mon12:024.112:234.76:070.57:100.17:256:19Waning Crescent24Mon
25Tue1:024.212:565.16:480.88:04-0.27:266:17New Moon25Tue
26Wed2:004.21:305.47:301.18:58-0.37:276:16New Moon26Wed
27Thu2:584.22:075.68:151.39:52-0.47:286:15New Moon27Thu
28Fri3:564.22:485.69:031.610:46-0.47:296:14Waxing Crescent28Fri
29Sat4:564.13:325.59:551.811:40-0.37:306:12Waxing Crescent29Sat
30Sun5:564.14:225.210:521.97:316:11Waxing Crescent30Sun
31Mon6:574.05:184.812:36-0.211:55 AM1.97:326:10Waxing Crescent31Mon
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 10:53 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