Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Saturday, August 1, 2026
The tide is currently rising in Port Chicago, CA.
Next low tide : 10:41 am (0.0 ft)
Next high tide : in 2h 32m at 3:35 am (4.8 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 6:11 am
Moon phase : Waning Gibbous (90% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Mar 1957

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:594.41:354.37:591.18:150.46:396:01New Moon1Fri
2Sat2:224.42:134.28:361.08:340.56:386:02New Moon2Sat
3Sun2:384.52:524.09:100.88:560.66:366:03Waxing Crescent3Sun
4Mon2:544.63:343.99:430.79:240.86:356:04Waxing Crescent4Mon
5Tue3:184.84:243.710:190.710:001.06:336:05Waxing Crescent5Tue
6Wed3:514.95:263.411:010.610:421.36:326:06Waxing Crescent6Wed
7Thu4:315.06:463.311:580.711:331.56:316:07First Quarter7Thu
8Fri5:214.98:083.21:200.66:296:08First Quarter8Fri
9Sat6:204.89:203.412:351.82:470.56:286:09First Quarter9Sat
10Sun7:314.710:203.61:511.93:560.36:266:10First Quarter10Sun
11Mon8:504.711:103.93:111.84:520.16:256:11Waxing Gibbous11Mon
12Tue10:064.811:534.24:241.55:400.06:236:12Waxing Gibbous12Tue
13Wed11:114.95:281.26:23-0.16:226:13Waxing Gibbous13Wed
14Thu12:334.512:105.06:260.87:030.06:206:14Full Moon14Thu
15Fri1:104.71:054.97:200.57:410.26:196:15Full Moon15Fri
16Sat1:454.91:594.88:130.38:180.46:176:16Full Moon16Sat
17Sun2:195.02:544.69:060.18:540.66:156:17Waning Gibbous17Sun
18Mon2:535.13:514.39:580.19:330.96:146:18Waning Gibbous18Mon
19Tue3:285.14:524.110:530.110:141.26:126:18Waning Gibbous19Tue
20Wed4:054.95:573.811:510.211:031.56:116:19Waning Gibbous20Wed
21Thu4:494.77:063.712:540.36:096:20Third Quarter21Thu
22Fri5:424.48:143.712:011.72:010.36:086:21Third Quarter22Fri
23Sat6:544.19:173.81:121.93:050.26:066:22Third Quarter23Sat
24Sun8:193.910:124.02:301.84:010.16:056:23Third Quarter24Sun
25Mon9:333.910:594.13:411.64:500.16:036:24Waning Crescent25Mon
26Tue10:333.911:404.34:411.35:320.16:026:25Waning Crescent26Tue
27Wed11:233.95:341.16:070.26:006:26Waning Crescent27Wed
28Thu12:164.312:084.06:200.86:380.45:596:27Waning Crescent28Thu
29Fri12:454.412:504.07:030.67:050.65:576:28New Moon29Fri
30Sat1:094.51:313.97:430.57:280.85:566:29New Moon30Sat
31Sun1:264.62:123.98:210.47:521.05:546:30New Moon31Sun
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 7:08 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 90% 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 Waning Gibbous (90% 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