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

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide : 7:34 am (0.5 ft)
Next high tide : in 2h 51m at 12:05 am (3.5 ft)
Sunset today : 8:24 pm
Sunrise tomorrow : 6:00 am
Moon phase : First Quarter (53% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Mar 2078

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:003.16:522.912:460.21:240.66:366:00Waning Gibbous1Tue
2Wed7:143.27:402.71:040.32:040.66:356:01Waning Gibbous2Wed
3Thu7:293.28:382.41:280.52:470.56:336:02Waning Gibbous3Thu
4Fri7:533.39:532.31:590.73:400.56:326:03Waning Gibbous4Fri
5Sat8:283.411:182.22:391.04:510.56:306:04Third Quarter5Sat
6Sun9:123.43:281.36:110.56:296:05Third Quarter6Sun
7Mon12:372.310:07 AM3.44:311.67:210.36:276:06Third Quarter7Mon
8Tue1:442.511:14 AM3.45:471.78:180.16:266:06Third Quarter8Tue
9Wed2:372.712:303.47:041.69:060.06:246:07Waning Crescent9Wed
10Thu3:212.81:423.58:111.59:48-0.16:236:08Waning Crescent10Thu
11Fri3:592.92:443.69:091.210:25-0.26:216:09Waning Crescent11Fri
12Sat4:323.03:393.710:010.911:00-0.26:206:10New Moon12Sat
13Sun6:023.15:323.711:510.77:187:11New Moon13Sun
14Mon6:303.36:253.512:32-0.112:410.47:177:12New Moon14Mon
15Tue6:583.47:203.31:040.01:310.27:157:13Waxing Crescent15Tue
16Wed7:283.68:193.11:370.22:240.17:147:14Waxing Crescent16Wed
17Thu8:023.79:262.82:120.53:220.17:127:15Waxing Crescent17Thu
18Fri8:403.810:432.62:530.84:290.17:117:16Waxing Crescent18Fri
19Sat9:263.73:411.15:460.27:097:17First Quarter19Sat
20Sun12:052.610:22 AM3.54:431.37:050.17:087:18First Quarter20Sun
21Mon1:222.611:36 AM3.36:031.58:160.07:067:19First Quarter21Mon
22Tue2:292.81:063.27:291.59:15-0.17:057:20Waxing Gibbous22Tue
23Wed3:243.02:243.28:441.310:05-0.17:037:21Waxing Gibbous23Wed
24Thu4:113.23:253.29:451.110:47-0.17:027:22Waxing Gibbous24Thu
25Fri4:523.24:163.210:380.911:23-0.17:007:23Waxing Gibbous25Fri
26Sat5:283.35:013.111:260.711:530.16:597:24Full Moon26Sat
27Sun5:593.25:423.012:090.56:577:25Full Moon27Sun
28Mon6:243.26:242.912:180.212:500.46:567:26Full Moon28Mon
29Tue6:413.27:062.812:370.41:280.36:547:26Full Moon29Tue
30Wed6:513.37:512.712:540.62:050.36:537:27Waning Gibbous30Wed
31Thu7:043.48:412.51:160.72:400.26:517:28Waning Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415149)

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

Show All
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 3:49 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 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 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 First Quarter (53% illuminated). This places Prisoners Point, San Joaquin River, 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