Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Monday, July 27, 2026
The tide is currently rising in Port Chicago, CA.
Next low tide : 8:27 am (-0.1 ft)
Next high tide : in 1h 07m at 12:12 am (5.2 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 6:06 am
Moon phase : Waxing Gibbous (93% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Oct 1963

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:344.81:454.47:380.17:401.07:036:52Full Moon1Tue
2Wed1:274.82:144.68:120.28:300.77:046:50Full Moon2Wed
3Thu2:204.82:434.88:470.49:200.47:056:49Full Moon3Thu
4Fri3:144.63:145.09:230.610:110.27:066:47Full Moon4Fri
5Sat4:124.43:495.210:020.811:060.17:076:46Waning Gibbous5Sat
6Sun5:144.24:295.310:461.17:086:44Waning Gibbous6Sun
7Mon6:224.05:155.212:060.111:35 AM1.47:086:43Waning Gibbous7Mon
8Tue7:353.96:105.01:130.212:341.77:096:41Third Quarter8Tue
9Wed8:483.97:184.72:250.21:451.97:106:40Third Quarter9Wed
10Thu9:554.08:424.53:350.23:041.97:116:38Third Quarter10Thu
11Fri10:554.210:044.44:390.14:191.77:126:37Waning Crescent11Fri
12Sat11:464.411:124.35:340.05:251.37:136:35Waning Crescent12Sat
13Sun12:324.56:210.06:231.07:146:34Waning Crescent13Sun
14Mon12:094.31:124.67:020.17:140.87:156:33Waning Crescent14Mon
15Tue12:594.31:474.67:380.38:020.67:166:31New Moon15Tue
16Wed1:454.22:164.68:090.58:460.47:176:30New Moon16Wed
17Thu2:294.12:394.58:350.89:280.47:186:28New Moon17Thu
18Fri3:144.02:544.68:571.110:080.37:196:27New Moon18Fri
19Sat4:003.83:084.69:211.310:450.37:206:26Waxing Crescent19Sat
20Sun4:483.73:294.79:511.511:210.37:216:24Waxing Crescent20Sun
21Mon5:403.64:004.810:281.711:590.37:226:23Waxing Crescent21Mon
22Tue6:383.54:384.711:111.97:236:22Waxing Crescent22Tue
23Wed7:403.55:244.612:440.412:032.07:246:20First Quarter23Wed
24Thu8:423.56:194.41:410.41:052.17:256:19First Quarter24Thu
25Fri9:403.67:264.12:450.32:172.17:266:18First Quarter25Fri
26Sat10:313.78:474.03:460.23:331.87:276:17First Quarter26Sat
27Sun10:143.99:104.03:390.13:411.56:285:15Waxing Gibbous27Sun
28Mon10:524.110:224.14:250.14:411.16:295:14Waxing Gibbous28Mon
29Tue11:244.411:244.25:060.25:360.76:305:13Waxing Gibbous29Tue
30Wed11:554.75:450.36:280.36:315:12Waxing Gibbous30Wed
31Thu12:224.312:255.06:240.57:200.06:325:11Full Moon31Thu
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 4:19 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 spring phase. Tonight's moon is 93% 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 (93% 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