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

TIDE TIMES for Wednesday, July 1, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide (tomorrow) : 1:11 am (1.7 ft)
Next high tide : in 4h 48m at 8:31 pm (3.0 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 5:47 am
Moon phase : Full Moon (97% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Oct 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:043.23:182.99:020.28:401.17:026:49Waxing Gibbous1Thu
2Fri2:173.33:573.19:460.19:380.97:026:48Waxing Gibbous2Fri
3Sat3:203.44:333.210:270.110:320.67:036:46Waxing Gibbous3Sat
4Sun4:173.55:063.411:060.211:250.47:046:45Full Moon4Sun
5Mon5:123.55:383.511:440.37:056:43Full Moon5Mon
6Tue6:073.56:113.712:170.312:230.47:066:42Full Moon6Tue
7Wed7:033.46:473.81:090.11:040.57:076:40Waning Gibbous7Wed
8Thu8:033.27:273.92:030.11:480.77:086:39Waning Gibbous8Thu
9Fri9:063.18:123.83:000.02:370.97:096:37Waning Gibbous9Fri
10Sat10:143.09:043.64:010.13:321.07:106:36Third Quarter10Sat
11Sun11:242.910:063.45:070.14:361.17:116:34Third Quarter11Sun
12Mon12:312.96:150.15:501.27:126:33Third Quarter12Mon
13Tue1:343.07:200.17:051.17:136:31Third Quarter13Tue
14Wed12:453.12:293.18:180.18:130.97:146:30Waning Crescent14Wed
15Thu1:583.03:183.39:090.09:140.77:156:28Waning Crescent15Thu
16Fri2:583.04:003.39:540.110:080.57:156:27Waning Crescent16Fri
17Sat3:513.04:383.410:320.210:560.47:166:26Waning Crescent17Sat
18Sun4:383.05:103.411:060.411:420.37:176:24New Moon18Sun
19Mon5:233.05:373.311:340.57:186:23New Moon19Mon
20Tue6:062.95:553.312:240.211:59 AM0.77:196:22New Moon20Tue
21Wed6:502.96:093.41:040.212:230.97:206:20New Moon21Wed
22Thu7:352.86:273.41:410.212:511.07:216:19Waxing Crescent22Thu
23Fri8:212.76:553.52:160.21:251.17:226:18Waxing Crescent23Fri
24Sat9:122.77:313.52:500.22:051.17:236:16Waxing Crescent24Sat
25Sun9:072.67:133.42:260.21:521.26:245:15Waxing Crescent25Sun
26Mon10:062.68:033.33:100.22:461.36:255:14First Quarter26Mon
27Tue11:052.69:033.14:060.23:501.36:265:13First Quarter27Tue
28Wed12:012.75:090.25:041.26:285:12First Quarter28Wed
29Thu12:502.86:100.16:181.06:295:10First Quarter29Thu
30Fri1:333.07:040.17:260.86:305:09Waxing Gibbous30Fri
31Sat1:002.92:113.27:530.18:260.56:315:08Waxing Gibbous31Sat
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 10:51 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 97% 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 Full Moon (97% 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