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

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide : 5:42 pm (0.1 ft)
Next high tide : in 2h 17m at 10:58 am (2.8 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:43 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Mar 2011

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:273.12:513.39:021.110:09-0.16:375:59Waning Crescent1Tue
2Wed4:083.23:363.39:540.910:440.06:366:00New Moon2Wed
3Thu4:443.24:173.210:390.811:140.16:346:01New Moon3Thu
4Fri5:153.24:573.111:220.711:390.26:336:02New Moon4Fri
5Sat5:413.25:353.012:010.66:326:03New Moon5Sat
6Sun5:593.36:152.912:370.56:306:04New Moon6Sun
7Mon6:133.46:582.812:170.51:120.56:296:05Waxing Crescent7Mon
8Tue6:313.57:472.612:410.61:460.46:276:06Waxing Crescent8Tue
9Wed6:573.68:472.41:120.82:240.46:266:07Waxing Crescent9Wed
10Thu7:333.610:002.31:501.03:120.46:246:08Waxing Crescent10Thu
11Fri8:163.611:182.32:371.24:210.56:236:09First Quarter11Fri
12Sat9:093.53:331.35:470.46:216:10First Quarter12Sat
13Sun12:292.411:13 AM3.45:431.47:580.37:207:11First Quarter13Sun
14Mon2:292.512:293.37:021.48:550.17:187:12First Quarter14Mon
15Tue3:172.71:483.48:171.29:420.07:177:13Waxing Gibbous15Tue
16Wed3:582.92:583.59:221.010:230.07:157:14Waxing Gibbous16Wed
17Thu4:343.03:593.510:200.711:010.07:147:15Waxing Gibbous17Thu
18Fri5:073.24:563.511:140.411:370.17:127:15Full Moon18Fri
19Sat5:383.45:513.512:070.27:117:16Full Moon19Sat
20Sun6:093.66:463.412:120.21:000.07:097:17Full Moon20Sun
21Mon6:423.87:443.212:480.41:53-0.17:087:18Waning Gibbous21Mon
22Tue7:173.98:453.01:270.62:49-0.17:067:19Waning Gibbous22Tue
23Wed7:563.99:522.82:100.83:480.07:047:20Waning Gibbous23Wed
24Thu8:403.711:032.72:581.04:530.17:037:21Third Quarter24Thu
25Fri9:333.53:561.26:020.17:017:22Third Quarter25Fri
26Sat12:142.710:43 AM3.25:081.37:100.17:007:23Third Quarter26Sat
27Sun1:202.812:133.06:301.38:110.06:587:24Third Quarter27Sun
28Mon2:192.91:372.97:481.29:030.06:577:25Waning Crescent28Mon
29Tue3:093.12:432.98:540.99:480.06:557:26Waning Crescent29Tue
30Wed3:523.23:382.99:510.710:260.06:547:27Waning Crescent30Wed
31Thu4:303.24:252.910:400.510:590.26:527:28Waning Crescent31Thu
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 2:20 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 neap phase. Tonight's moon is 49% 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 (49% 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.

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