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

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide (tomorrow) : 4:28 am (1.1 ft)
Next high tide : in 6h 24m at 10:26 pm (3.1 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:49 am
Moon phase : Waning Gibbous (71% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Nov 1991

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:032.91:293.27:080.17:390.56:315:07Waning Crescent1Fri
2Sat1:192.82:113.47:540.28:400.26:325:06Waning Crescent2Sat
3Sun2:232.82:483.58:350.39:350.06:345:05Waning Crescent3Sun
4Mon3:212.83:203.69:120.610:27-0.26:355:04New Moon4Mon
5Tue4:152.83:493.79:480.811:16-0.26:365:03New Moon5Tue
6Wed5:082.94:143.710:231.16:375:02New Moon6Wed
7Thu6:002.94:383.712:02-0.211:00 AM1.36:385:01New Moon7Thu
8Fri6:522.95:063.712:46-0.111:40 AM1.46:395:00Waxing Crescent8Fri
9Sat7:432.85:403.61:29-0.112:241.56:404:59Waxing Crescent9Sat
10Sun8:342.86:203.52:100.01:111.56:414:58Waxing Crescent10Sun
11Mon9:252.87:063.32:500.02:041.56:424:57Waxing Crescent11Mon
12Tue10:142.77:593.03:310.03:031.46:434:57First Quarter12Tue
13Wed11:022.79:032.74:140.14:091.36:444:56First Quarter13Wed
14Thu11:472.710:232.54:570.15:201.16:454:55First Quarter14Thu
15Fri12:272.85:400.26:290.86:464:54First Quarter15Fri
16Sat1:013.06:220.37:300.66:474:54Waxing Gibbous16Sat
17Sun1:082.31:293.27:000.48:250.36:494:53Waxing Gibbous17Sun
18Mon2:142.41:543.47:380.69:160.16:504:52Waxing Gibbous18Mon
19Tue3:132.52:203.78:170.910:050.06:514:52Waxing Gibbous19Tue
20Wed4:102.62:523.98:591.110:53-0.16:524:51Full Moon20Wed
21Thu5:042.73:294.19:441.311:41-0.26:534:50Full Moon21Thu
22Fri5:582.84:124.210:341.46:544:50Full Moon22Fri
23Sat6:522.84:594.212:29-0.311:28 AM1.56:554:49Waning Gibbous23Sat
24Sun7:452.85:504.11:18-0.312:271.46:564:49Waning Gibbous24Sun
25Mon8:382.96:473.82:06-0.31:291.46:574:48Waning Gibbous25Mon
26Tue9:312.97:503.52:56-0.32:371.26:584:48Waning Gibbous26Tue
27Wed10:232.99:043.13:46-0.23:511.16:594:48Third Quarter27Wed
28Thu11:143.110:302.84:37-0.15:080.87:004:47Third Quarter28Thu
29Fri12:033.25:280.16:230.57:014:47Third Quarter29Fri
30Sat12:493.46:170.37:310.27:024:47Waning Crescent30Sat
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 1:27 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 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 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 (71% 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