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 : 4:20 pm (-0.2 ft)
Next high tide : in 46m at 8:34 am (3.6 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 - Aug 2037

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:463.010:043.23:311.23:320.36:098:15Waning Gibbous1Sat
2Sun9:442.710:323.24:231.14:050.46:108:14Third Quarter2Sun
3Mon10:592.511:063.35:261.04:460.76:118:13Third Quarter3Mon
4Tue12:292.36:400.95:340.96:128:12Third Quarter4Tue
5Wed1:522.47:540.76:291.26:138:11Third Quarter5Wed
6Thu12:343.63:022.58:580.57:281.46:148:10Waning Crescent6Thu
7Fri1:263.84:012.79:540.48:301.56:148:08Waning Crescent7Fri
8Sat2:194.04:532.910:440.29:301.56:158:07Waning Crescent8Sat
9Sun3:134.15:403.011:290.110:301.56:168:06Waning Crescent9Sun
10Mon4:074.26:233.112:120.06:178:05New Moon10Mon
11Tue5:004.37:033.212:52-0.16:188:04New Moon11Tue
12Wed5:544.27:423.312:231.21:30-0.16:198:03New Moon12Wed
13Thu6:494.18:203.41:191.12:07-0.16:208:01Waxing Crescent13Thu
14Fri7:453.88:593.52:150.92:440.06:218:00Waxing Crescent14Fri
15Sat8:463.59:403.53:150.83:220.26:217:59Waxing Crescent15Sat
16Sun9:553.210:263.64:190.74:050.46:227:57First Quarter16Sun
17Mon11:112.911:173.65:300.64:530.76:237:56First Quarter17Mon
18Tue12:302.86:440.55:501.06:247:55First Quarter18Tue
19Wed12:143.61:452.87:560.36:541.26:257:53First Quarter19Wed
20Thu1:153.72:522.99:010.28:011.36:267:52Waxing Gibbous20Thu
21Fri2:133.73:513.09:570.19:041.46:277:51Waxing Gibbous21Fri
22Sat3:063.74:423.210:470.010:021.46:287:49Waxing Gibbous22Sat
23Sun3:533.75:283.311:310.010:531.46:287:48Full Moon23Sun
24Mon4:363.76:093.312:100.06:297:47Full Moon24Mon
25Tue5:153.66:463.312:440.16:307:45Full Moon25Tue
26Wed5:523.57:183.212:241.21:130.26:317:44Full Moon26Wed
27Thu6:293.47:443.21:041.11:360.36:327:42Full Moon27Thu
28Fri7:083.38:053.21:421.01:560.36:337:41Waning Gibbous28Fri
29Sat7:493.18:223.22:190.92:180.46:347:39Waning Gibbous29Sat
30Sun8:362.98:443.32:570.92:460.56:347:38Waning Gibbous30Sun
31Mon9:332.79:163.43:390.83:220.76:357:36Waning Gibbous31Mon
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 12:27 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 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