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

TIDE TIMES for Friday, June 19, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide (tomorrow) : 4:29 am (1.1 ft)
Next high tide : in 5h 44m at 10:54 pm (3.2 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:43 am
Moon phase : Waxing Crescent (28% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Apr 2038

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:393.34:173.110:340.811:130.06:507:29Waning Crescent1Thu
2Fri5:153.35:013.011:210.611:450.16:487:30New Moon2Fri
3Sat5:463.35:422.912:040.56:477:31New Moon3Sat
4Sun6:113.36:232.912:110.312:440.46:457:32New Moon4Sun
5Mon6:293.37:052.812:330.41:210.36:447:33New Moon5Mon
6Tue6:423.37:492.712:530.61:550.36:427:34Waxing Crescent6Tue
7Wed6:593.48:372.61:180.72:270.26:417:34Waxing Crescent7Wed
8Thu7:253.59:332.51:490.92:590.26:397:35Waxing Crescent8Thu
9Fri7:593.510:392.42:271.13:370.26:387:36Waxing Crescent9Fri
10Sat8:413.511:502.43:131.24:300.26:377:37Waxing Crescent10Sat
11Sun9:313.44:091.45:430.26:357:38First Quarter11Sun
12Mon12:572.510:31 AM3.25:181.57:010.26:347:39First Quarter12Mon
13Tue1:562.611:45 AM3.16:371.48:050.16:327:40First Quarter13Tue
14Wed2:452.81:083.17:541.28:570.06:317:41Waxing Gibbous14Wed
15Thu3:272.92:253.28:590.99:420.06:297:42Waxing Gibbous15Thu
16Fri4:033.13:323.29:580.610:230.06:287:43Waxing Gibbous16Fri
17Sat4:363.34:323.310:520.311:010.16:277:44Waxing Gibbous17Sat
18Sun5:073.45:293.311:450.111:390.36:257:45Full Moon18Sun
19Mon5:373.66:263.212:37-0.16:247:46Full Moon19Mon
20Tue6:093.87:243.112:180.51:30-0.26:237:47Full Moon20Tue
21Wed6:443.98:253.012:590.72:23-0.36:217:48Waning Gibbous21Wed
22Thu7:223.99:302.91:430.93:19-0.26:207:48Waning Gibbous22Thu
23Fri8:053.710:372.82:331.14:18-0.26:197:49Waning Gibbous23Fri
24Sat8:543.511:442.83:311.35:22-0.16:177:50Third Quarter24Sat
25Sun9:553.24:411.46:26-0.16:167:51Third Quarter25Sun
26Mon12:482.911:19 AM2.96:011.47:27-0.16:157:52Third Quarter26Mon
27Tue1:463.012:512.77:201.28:21-0.16:147:53Third Quarter27Tue
28Wed2:373.12:072.78:291.09:080.06:127:54Waning Crescent28Wed
29Thu3:213.23:082.79:270.79:480.16:117:55Waning Crescent29Thu
30Fri4:003.34:002.710:190.410:230.26:107:56Waning Crescent30Fri
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 1:41 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 28% 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 Waxing Crescent (28% 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