Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Wednesday, August 5, 2026
The tide is currently rising in Port Chicago, CA.
Next low tide : 12:56 pm (1.3 ft)
Next high tide : in 4h 12m at 7:39 am (3.4 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 6:14 am
Moon phase : Third Quarter (53% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Nov 1948

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:374.12:095.28:101.09:35-0.37:346:09New Moon1Mon
2Tue3:354.12:385.38:491.410:26-0.37:356:08New Moon2Tue
3Wed4:334.03:105.39:301.811:17-0.37:366:07Waxing Crescent3Wed
4Thu5:333.93:475.210:162.17:376:06Waxing Crescent4Thu
5Fri6:343.94:284.912:09-0.211:09 AM2.27:386:05Waxing Crescent5Fri
6Sat7:353.95:174.51:03-0.112:092.37:396:04First Quarter6Sat
7Sun8:343.96:194.11:590.01:202.37:406:03First Quarter7Sun
8Mon9:283.97:423.72:540.12:362.17:416:02First Quarter8Mon
9Tue10:174.09:143.53:450.13:481.77:426:01First Quarter9Tue
10Wed11:004.110:283.44:310.14:521.37:436:00Waxing Gibbous10Wed
11Thu11:374.211:303.45:100.25:470.97:455:59Waxing Gibbous11Thu
12Fri12:074.35:440.46:370.57:465:58Waxing Gibbous12Fri
13Sat12:243.412:314.56:130.77:230.37:475:57Waxing Gibbous13Sat
14Sun1:153.412:494.76:401.08:060.17:485:57Waxing Gibbous14Sun
15Mon2:063.51:064.97:081.38:480.07:495:56Full Moon15Mon
16Tue2:563.51:285.27:401.79:27-0.17:505:55Full Moon16Tue
17Wed3:473.61:595.48:182.010:07-0.17:515:55Full Moon17Wed
18Thu4:403.62:365.69:012.210:47-0.17:525:54Waning Gibbous18Thu
19Fri5:353.63:205.59:502.311:32-0.17:535:53Waning Gibbous19Fri
20Sat6:303.64:095.310:452.37:545:53Waning Gibbous20Sat
21Sun7:263.65:055.012:22-0.211:48 AM2.37:555:52Waning Gibbous21Sun
22Mon8:203.76:124.61:17-0.11:012.17:565:52Third Quarter22Mon
23Tue9:113.87:324.12:15-0.12:211.87:575:51Third Quarter23Tue
24Wed9:584.09:033.83:10-0.13:411.37:585:51Third Quarter24Wed
25Thu10:414.310:263.74:010.04:510.87:595:50Waning Crescent25Thu
26Fri11:204.611:383.74:480.25:550.38:005:50Waning Crescent26Fri
27Sat11:554.95:310.56:53-0.18:015:50Waning Crescent27Sat
28Sun12:423.812:295.26:120.97:47-0.38:025:49Waning Crescent28Sun
29Mon1:413.81:005.46:531.38:39-0.58:035:49New Moon29Mon
30Tue2:393.91:315.57:361.79:29-0.58:045:49New Moon30Tue
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 10:17 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 53% 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 Third Quarter (53% 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