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

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in Prisoners Point, San Joaquin River, CA.
Next low tide : in 2h 20m at 4:22 pm (0.2 ft)
Next high tide : 10:55 pm (3.3 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:49 am
Moon phase : Third Quarter (61% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Apr 1990

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:243.73:531.46:070.16:517:29First Quarter1Sun
2Mon12:322.710:35 AM3.45:121.57:170.06:497:30First Quarter2Mon
3Tue1:372.812:093.16:401.48:190.06:477:30First Quarter3Tue
4Wed2:332.91:383.08:001.19:10-0.16:467:31Waxing Gibbous4Wed
5Thu3:213.12:483.09:060.89:54-0.16:447:32Waxing Gibbous5Thu
6Fri4:023.23:442.910:030.510:310.06:437:33Waxing Gibbous6Fri
7Sat4:393.34:342.910:540.311:030.26:427:34Waxing Gibbous7Sat
8Sun5:103.45:212.811:410.211:300.46:407:35Full Moon8Sun
9Mon5:353.46:072.812:250.16:397:36Full Moon9Mon
10Tue5:533.46:532.71:060.06:377:37Full Moon10Tue
11Wed6:063.57:402.712:150.91:450.06:367:38Full Moon11Wed
12Thu6:223.68:302.612:411.12:220.16:347:39Waning Gibbous12Thu
13Fri6:473.79:242.61:131.22:590.16:337:40Waning Gibbous13Fri
14Sat7:213.710:222.51:531.43:380.16:317:41Waning Gibbous14Sat
15Sun8:013.611:232.52:391.54:260.16:307:42Waning Gibbous15Sun
16Mon8:493.43:331.55:230.16:287:42Third Quarter16Mon
17Tue12:232.59:47 AM3.14:381.56:240.16:277:43Third Quarter17Tue
18Wed1:162.510:58 AM2.95:541.47:200.06:267:44Third Quarter18Wed
19Thu2:022.612:222.87:111.28:080.06:247:45Third Quarter19Thu
20Fri2:412.81:472.88:200.98:500.16:237:46Waning Crescent20Fri
21Sat3:143.02:582.89:190.69:270.26:227:47Waning Crescent21Sat
22Sun3:423.24:012.810:130.310:030.36:207:48Waning Crescent22Sun
23Mon4:093.54:592.911:060.010:400.66:197:49New Moon23Mon
24Tue4:373.85:582.911:58-0.211:190.86:187:50New Moon24Tue
25Wed5:104.06:572.912:50-0.36:167:51New Moon25Wed
26Thu5:474.27:582.912:031.01:44-0.36:157:52Waxing Crescent26Thu
27Fri6:284.29:012.812:511.22:39-0.36:147:53Waxing Crescent27Fri
28Sat7:154.110:052.81:451.43:37-0.36:137:54Waxing Crescent28Sat
29Sun8:073.811:092.82:461.44:37-0.26:117:55Waxing Crescent29Sun
30Mon9:093.53:561.45:39-0.16:107:56First Quarter30Mon
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 7:38 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 61% 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 Third Quarter (61% 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