Tides Today & Tomorrow in Prisoners Point, San Joaquin River, CA

TIDE TIMES for Friday, June 5, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide (tomorrow) : 3:57 am (1.4 ft)
Next high tide : in 5h 05m at 11:02 pm (2.8 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:43 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - May 2030

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed4:553.66:082.712:15-0.16:097:57New Moon1Wed
2Thu5:153.66:562.712:56-0.16:087:58New Moon2Thu
3Fri5:343.67:432.71:34-0.16:077:59New Moon3Fri
4Sat5:583.78:302.712:311.32:090.06:058:00Waxing Crescent4Sat
5Sun6:293.79:182.71:101.42:420.06:048:00Waxing Crescent5Sun
6Mon7:073.610:062.61:531.43:130.06:038:01Waxing Crescent6Mon
7Tue7:503.510:552.62:411.43:460.06:028:02Waxing Crescent7Tue
8Wed8:403.311:442.63:351.44:250.06:018:03First Quarter8Wed
9Thu9:373.04:371.35:120.06:008:04First Quarter9Thu
10Fri12:302.710:46 AM2.75:471.16:030.15:598:05First Quarter10Fri
11Sat1:122.812:082.67:010.96:530.25:588:06First Quarter11Sat
12Sun1:493.01:332.58:090.77:420.35:578:07Waxing Gibbous12Sun
13Mon2:233.22:482.69:100.48:280.55:568:08Waxing Gibbous13Mon
14Tue2:543.53:542.710:070.19:140.75:568:09Waxing Gibbous14Tue
15Wed3:273.84:552.811:02-0.110:010.95:558:09Waxing Gibbous15Wed
16Thu4:034.05:542.911:55-0.310:501.15:548:10Full Moon16Thu
17Fri4:444.26:512.912:48-0.45:538:11Full Moon17Fri
18Sat5:274.37:493.01:40-0.45:528:12Full Moon18Sat
19Sun6:154.28:453.012:411.32:31-0.45:528:13Waning Gibbous19Sun
20Mon7:064.09:413.01:411.43:22-0.45:518:14Waning Gibbous20Mon
21Tue8:023.710:363.12:441.34:12-0.35:508:15Waning Gibbous21Tue
22Wed9:063.311:303.13:521.25:03-0.25:498:15Third Quarter22Wed
23Thu10:233.05:051.15:54-0.15:498:16Third Quarter23Thu
24Fri12:233.211:48 AM2.66:210.96:430.15:488:17Third Quarter24Fri
25Sat1:123.31:082.57:330.67:310.25:488:18Third Quarter25Sat
26Sun1:583.42:192.48:380.48:150.45:478:19Waning Crescent26Sun
27Mon2:393.53:222.49:370.18:570.75:478:19Waning Crescent27Mon
28Tue3:153.64:182.510:290.09:360.95:468:20Waning Crescent28Tue
29Wed3:463.75:112.611:17-0.110:131.25:468:21Waning Crescent29Wed
30Thu4:113.76:012.712:01-0.25:458:22New Moon30Thu
31Fri4:343.86:482.812:42-0.15:458:22New Moon31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415149)

Common Questions About Prisoners Point, San Joaquin River, CA Tides

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What time does the tide turn (slack tide) in Prisoners Point, San Joaquin River, CA today?

Slack tide in Prisoners Point, San Joaquin River, CA is approximately 1:29 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 Prisoners Point, San Joaquin River, CA?

Prisoners Point, San Joaquin River, CA is currently in a transitional phase. Tonight's moon is 75% 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 Prisoners Point, San Joaquin River, 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 Prisoners Point, San Joaquin River, CA?

Tide predictions for Prisoners Point, San Joaquin River, 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 Prisoners Point, San Joaquin River, CA?

Tide data for Prisoners Point, San Joaquin River, CA is sourced from NOAA Station #9415149. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415149.

What is the moon phase in Prisoners Point, San Joaquin River, CA tonight?

Tonight the moon over Prisoners Point, San Joaquin River, CA is Waning Gibbous (75% illuminated). This places Prisoners Point, San Joaquin River, 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