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

TIDE TIMES for Monday, June 15, 2026
The tide is currently falling in Prisoners Point, San Joaquin River, CA.
Next low tide (tomorrow) : in 1h 58m at 11:02 pm (1.7 ft)
Next high tide : 4:47 am (4.5 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 5:42 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Aug 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:494.17:343.312:161.21:27-0.16:098:15Full Moon1Sat
2Sun6:424.08:123.41:111.12:040.06:108:14Waning Gibbous2Sun
3Mon7:383.88:523.52:071.02:410.06:108:13Waning Gibbous3Mon
4Tue8:373.59:343.63:050.83:200.26:118:12Waning Gibbous4Tue
5Wed9:453.210:203.74:100.84:040.46:128:11Third Quarter5Wed
6Thu11:032.911:133.75:210.74:530.66:138:10Third Quarter6Thu
7Fri12:242.86:370.65:510.96:148:09Third Quarter7Fri
8Sat12:103.81:402.87:500.46:551.16:158:08Third Quarter8Sat
9Sun1:113.82:482.98:560.38:011.26:168:07Waning Crescent9Sun
10Mon2:093.83:483.09:540.19:041.36:168:06Waning Crescent10Mon
11Tue3:033.94:403.210:450.010:021.36:178:05Waning Crescent11Tue
12Wed3:513.85:283.311:300.010:541.36:188:03New Moon12Wed
13Thu4:353.86:113.312:100.16:198:02New Moon13Thu
14Fri5:153.76:493.312:450.16:208:01New Moon14Fri
15Sat5:543.67:243.312:291.21:150.26:218:00New Moon15Sat
16Sun6:323.57:533.21:121.11:390.36:227:58Waxing Crescent16Sun
17Mon7:123.38:173.21:531.01:590.46:237:57Waxing Crescent17Mon
18Tue7:553.28:373.22:331.02:200.46:237:56Waxing Crescent18Tue
19Wed8:422.98:573.33:140.92:480.56:247:54Waxing Crescent19Wed
20Thu9:382.79:273.44:010.93:240.76:257:53First Quarter20Thu
21Fri10:492.510:063.44:580.84:080.96:267:52First Quarter21Fri
22Sat12:092.56:080.84:591.16:277:50First Quarter22Sat
23Sun1:252.57:210.75:591.26:287:49First Quarter23Sun
24Mon2:312.68:260.57:051.36:297:48Waxing Gibbous24Mon
25Tue12:563.63:262.89:220.38:121.46:307:46Waxing Gibbous25Tue
26Wed2:013.74:142.910:110.29:161.36:307:45Waxing Gibbous26Wed
27Thu3:033.84:573.110:550.110:151.26:317:43Waxing Gibbous27Thu
28Fri4:003.95:363.211:360.111:111.06:327:42Full Moon28Fri
29Sat4:544.06:143.412:150.06:337:40Full Moon29Sat
30Sun5:483.96:503.512:060.812:530.16:347:39Full Moon30Sun
31Mon6:433.87:263.61:010.71:300.26:357:37Waning 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 1:54 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 spring phase. Tonight's moon is 0% 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 New Moon (0% 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.

LEARN MORE ABOUT OUR TIDE DATA