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

TIDE TIMES for Friday, July 3, 2026
The tide is currently falling in Prisoners Point, San Joaquin River, CA.
Next low tide : in 38m at 1:56 am (1.5 ft)
Next high tide : 7:05 am (3.6 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:48 am
Moon phase : Waning Gibbous (87% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Apr 2055

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu7:483.59:442.52:100.83:090.36:507:29Waxing Crescent1Thu
2Fri8:273.510:552.42:511.03:550.36:497:30Waxing Crescent2Fri
3Sat9:133.53:411.15:000.36:477:31First Quarter3Sat
4Sun12:112.410:09 AM3.44:431.36:240.26:467:32First Quarter4Sun
5Mon1:202.511:17 AM3.35:571.37:400.26:447:33First Quarter5Mon
6Tue2:182.712:373.27:181.28:400.16:437:33First Quarter6Tue
7Wed3:072.91:583.28:321.09:310.06:417:34Waxing Gibbous7Wed
8Thu3:503.13:093.39:350.810:170.06:407:35Waxing Gibbous8Thu
9Fri4:293.24:113.410:320.510:580.06:387:36Waxing Gibbous9Fri
10Sat5:053.45:083.411:270.211:380.26:377:37Full Moon10Sat
11Sun5:393.56:043.412:200.06:357:38Full Moon11Sun
12Mon6:123.77:003.312:170.31:12-0.16:347:39Full Moon12Mon
13Tue6:453.77:583.112:560.52:04-0.26:327:40Waning Gibbous13Tue
14Wed7:203.78:583.01:370.72:57-0.26:317:41Waning Gibbous14Wed
15Thu7:583.610:032.92:210.93:53-0.16:307:42Waning Gibbous15Thu
16Fri8:413.511:092.83:111.14:530.06:287:43Waning Gibbous16Fri
17Sat9:323.24:101.25:560.06:277:44Third Quarter17Sat
18Sun12:152.810:39 AM3.05:221.36:580.06:257:45Third Quarter18Sun
19Mon1:172.912:062.86:391.37:560.06:247:46Third Quarter19Mon
20Tue2:123.01:292.77:521.18:460.06:237:46Third Quarter20Tue
21Wed3:003.12:352.78:540.99:300.06:217:47Waning Crescent21Wed
22Thu3:423.23:302.79:480.610:080.16:207:48Waning Crescent22Thu
23Fri4:183.34:182.710:360.510:410.36:197:49Waning Crescent23Fri
24Sat4:483.35:032.711:210.311:090.46:177:50Waning Crescent24Sat
25Sun5:123.35:472.712:020.26:167:51New Moon25Sun
26Mon5:303.46:312.712:410.16:157:52New Moon26Mon
27Tue5:453.57:162.712:000.81:160.16:147:53New Moon27Tue
28Wed6:073.68:032.612:290.91:500.06:127:54New Moon28Wed
29Thu6:373.78:542.61:051.02:230.06:117:55Waxing Crescent29Thu
30Fri7:143.89:502.61:461.12:590.06:107:56Waxing Crescent30Fri
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 4:30 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 87% 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 Waning Gibbous (87% 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.

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