Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Sunday, July 5, 2026
The tide is currently falling in Port Chicago, CA.
Next low tide : in 6h 36m at 12:17 pm (-0.1 ft)
Next high tide : 7:01 pm (4.3 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:51 am
Moon phase : Waning Gibbous (71% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Oct 1991

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue9:553.78:094.73:250.32:372.07:036:52Third Quarter1Tue
2Wed10:513.99:394.54:290.24:001.77:046:50Waning Crescent2Wed
3Thu11:404.110:574.55:240.15:121.37:056:48Waning Crescent3Thu
4Fri12:234.46:100.06:150.97:066:47Waning Crescent4Fri
5Sat12:014.51:014.66:510.17:110.57:076:45Waning Crescent5Sat
6Sun12:584.51:364.87:280.38:040.37:086:44New Moon6Sun
7Mon1:524.42:074.98:030.68:550.17:096:42New Moon7Mon
8Tue2:444.32:345.08:351.09:430.17:106:41New Moon8Tue
9Wed3:364.22:595.09:071.310:310.17:106:39Waxing Crescent9Wed
10Thu4:304.03:245.09:411.611:180.17:116:38Waxing Crescent10Thu
11Fri5:263.93:545.010:191.97:126:37Waxing Crescent11Fri
12Sat6:253.84:304.812:070.211:04 AM2.07:136:35Waxing Crescent12Sat
13Sun7:263.75:144.612:590.311:56 AM2.27:146:34First Quarter13Sun
14Mon8:263.76:084.21:550.312:582.27:156:32First Quarter14Mon
15Tue9:233.77:193.92:520.32:112.17:166:31First Quarter15Tue
16Wed10:153.88:473.73:460.33:251.87:176:29First Quarter16Wed
17Thu11:003.910:083.64:340.24:321.57:186:28Waxing Gibbous17Thu
18Fri11:384.011:133.75:140.25:291.17:196:27Waxing Gibbous18Fri
19Sat12:094.25:490.36:200.87:206:25Waxing Gibbous19Sat
20Sun12:083.712:354.46:200.57:070.57:216:24Waxing Gibbous20Sun
21Mon12:593.812:554.66:480.87:510.37:226:23Full Moon21Mon
22Tue1:493.81:154.97:181.18:350.17:236:21Full Moon22Tue
23Wed2:393.81:415.27:511.49:190.07:246:20Full Moon23Wed
24Thu3:323.82:145.58:301.610:04-0.17:256:19Full Moon24Thu
25Fri4:273.82:535.69:141.810:53-0.17:266:17Waning Gibbous25Fri
26Sat5:253.73:395.610:032.011:46-0.17:276:16Waning Gibbous26Sat
27Sun5:273.73:305.410:002.011:450.06:285:15Waning Gibbous27Sun
28Mon6:293.74:295.011:062.06:295:14Third Quarter28Mon
29Tue7:303.75:414.512:480.012:221.96:305:13Third Quarter29Tue
30Wed8:273.97:094.21:510.01:451.66:315:11Third Quarter30Wed
31Thu9:184.18:383.92:480.03:021.26:325:10Third Quarter31Thu
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 3:39 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 transitional phase. Tonight's moon is 71% 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 shifting between spring and neap.

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 Waning Gibbous (71% illuminated). This places Port Chicago, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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