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

TIDE TIMES for Friday, July 10, 2026
The tide is currently falling in Prisoners Point, San Joaquin River, CA.
Next low tide : in 48m at 7:42 pm (1.4 ft)
Next high tide (tomorrow) : 1:53 am (4.3 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 5:52 am
Moon phase : Waning Crescent (18% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Apr 2068

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:023.55:293.311:400.111:430.36:497:30New Moon1Sun
2Mon5:363.76:243.312:330.06:477:31New Moon2Mon
3Tue6:103.87:213.212:220.51:25-0.16:467:31New Moon3Tue
4Wed6:453.98:193.01:020.72:17-0.16:447:32Waxing Crescent4Wed
5Thu7:223.99:202.91:450.93:11-0.16:437:33Waxing Crescent5Thu
6Fri8:033.710:242.82:321.04:080.06:417:34Waxing Crescent6Fri
7Sat8:503.511:292.83:261.25:080.16:407:35First Quarter7Sat
8Sun9:463.24:301.36:110.16:387:36First Quarter8Sun
9Mon12:332.811:00 AM2.95:441.37:110.16:377:37First Quarter9Mon
10Tue1:312.912:272.76:591.18:060.16:357:38First Quarter10Tue
11Wed2:233.01:442.68:080.98:530.16:347:39Waxing Gibbous11Wed
12Thu3:083.12:462.69:070.79:330.26:337:40Waxing Gibbous12Thu
13Fri3:473.23:402.710:000.510:070.36:317:41Waxing Gibbous13Fri
14Sat4:203.24:282.710:470.310:360.56:307:42Waxing Gibbous14Sat
15Sun4:473.35:142.711:310.211:010.66:287:43Full Moon15Sun
16Mon5:073.35:582.712:120.16:277:44Full Moon16Mon
17Tue5:213.46:422.712:510.06:267:44Full Moon17Tue
18Wed5:383.67:282.71:280.06:247:45Full Moon18Wed
19Thu6:043.78:152.712:271.12:030.06:237:46Waning Gibbous19Thu
20Fri6:393.89:062.61:061.12:390.06:227:47Waning Gibbous20Fri
21Sat7:203.810:002.61:501.23:200.06:207:48Waning Gibbous21Sat
22Sun8:073.710:582.62:401.24:080.06:197:49Waning Gibbous22Sun
23Mon9:013.511:572.63:391.35:060.06:187:50Third Quarter23Mon
24Tue10:053.24:481.26:090.06:167:51Third Quarter24Tue
25Wed12:522.711:25 AM3.06:081.17:100.06:157:52Third Quarter25Wed
26Thu1:432.912:562.87:290.98:040.16:147:53Third Quarter26Thu
27Fri2:283.12:192.88:400.68:520.26:137:54Waning Crescent27Fri
28Sat3:083.43:282.99:430.39:370.36:117:55Waning Crescent28Sat
29Sun3:463.64:292.910:400.010:210.56:107:56Waning Crescent29Sun
30Mon4:223.85:273.011:35-0.211:040.76:097:57New Moon30Mon
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 10:47 pm — 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 spring phase. Tonight's moon is 18% 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 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 Crescent (18% illuminated). This places Prisoners Point, San Joaquin River, 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.

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