Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Saturday, July 25, 2026
The tide is currently rising in Port Chicago, CA.
Next low tide : 5:30 pm (2.6 ft)
Next high tide : in 6h 02m at 1:05 pm (3.9 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 6:05 am
Moon phase : Waxing Gibbous (87% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Oct 1966

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:353.93:144.69:210.910:200.67:036:51Waning Gibbous1Sat
2Sun4:203.73:354.99:481.210:520.57:046:50Waning Gibbous2Sun
3Mon5:123.64:055.010:211.411:290.57:056:48Waning Gibbous3Mon
4Tue6:143.44:425.111:011.77:066:47Waning Gibbous4Tue
5Wed7:293.35:285.112:170.511:50 AM2.07:076:45Third Quarter5Wed
6Thu8:473.36:224.91:270.512:502.37:086:44Third Quarter6Thu
7Fri9:563.57:294.72:560.52:042.37:096:42Third Quarter7Fri
8Sat10:533.68:504.64:100.33:272.27:106:41Third Quarter8Sat
9Sun11:403.910:154.65:090.14:431.87:116:39Waning Crescent9Sun
10Mon12:214.15:580.05:491.47:116:38Waning Crescent10Mon
11Tue12:574.36:41-0.16:470.97:126:36Waning Crescent11Tue
12Wed12:314.71:314.57:200.07:420.57:136:35New Moon12Wed
13Thu1:294.72:024.87:570.28:360.27:146:34New Moon13Thu
14Fri2:264.62:325.08:320.59:29-0.17:156:32New Moon14Fri
15Sat3:234.43:035.29:080.910:22-0.27:166:31Waxing Crescent15Sat
16Sun4:224.23:355.29:471.211:17-0.27:176:29Waxing Crescent16Sun
17Mon5:244.04:115.210:291.67:186:28Waxing Crescent17Mon
18Tue6:303.94:525.012:14-0.111:18 AM1.97:196:27Waxing Crescent18Tue
19Wed7:383.85:414.71:150.012:162.17:206:25First Quarter19Wed
20Thu8:443.96:444.32:190.11:272.37:216:24First Quarter20Thu
21Fri9:453.98:114.03:220.12:462.27:226:23First Quarter21Fri
22Sat10:394.19:403.84:190.04:011.97:236:21First Quarter22Sat
23Sun11:264.210:503.85:090.05:061.57:246:20Waxing Gibbous23Sun
24Mon12:074.35:510.06:011.17:256:19Waxing Gibbous24Mon
25Tue12:414.36:270.16:500.87:266:17Waxing Gibbous25Tue
26Wed12:363.81:104.46:580.37:350.57:276:16Waxing Gibbous26Wed
27Thu1:223.71:324.57:240.68:170.37:286:15Full Moon27Thu
28Fri2:073.71:474.67:460.98:560.27:296:14Full Moon28Fri
29Sat2:533.62:014.88:101.29:330.27:306:13Full Moon29Sat
30Sun2:403.61:225.17:381.59:080.16:315:11Full Moon30Sun
31Mon3:303.61:515.28:131.89:430.16:325:10Waning Gibbous31Mon
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 3:17 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 87% 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 Waxing Gibbous (87% 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