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

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide (tomorrow) : 4:28 am (1.1 ft)
Next high tide : in 5h 14m at 10:26 pm (3.1 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:49 am
Moon phase : Waning Gibbous (71% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Oct 1991

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:202.76:540.26:061.47:016:50Third Quarter1Tue
2Wed2:162.87:580.17:291.27:026:48Waning Crescent2Wed
3Thu1:043.33:053.08:530.08:410.97:036:47Waning Crescent3Thu
4Fri2:223.33:483.29:390.09:440.67:046:45Waning Crescent4Fri
5Sat3:263.34:263.310:200.110:400.47:056:44Waning Crescent5Sat
6Sun4:233.35:013.510:570.211:330.27:066:42New Moon6Sun
7Mon5:173.25:323.611:320.47:076:40New Moon7Mon
8Tue6:093.15:593.612:240.112:040.77:086:39New Moon8Tue
9Wed7:013.06:243.71:120.012:360.97:096:38Waxing Crescent9Wed
10Thu7:552.96:493.72:000.01:101.17:096:36Waxing Crescent10Thu
11Fri8:512.97:193.62:470.11:481.37:106:35Waxing Crescent11Fri
12Sat9:502.87:553.53:360.12:331.47:116:33Waxing Crescent12Sat
13Sun10:512.78:393.34:280.23:251.57:126:32First Quarter13Sun
14Mon11:512.79:333.15:240.24:271.57:136:30First Quarter14Mon
15Tue12:482.76:210.25:401.47:146:29First Quarter15Tue
16Wed1:402.87:150.26:541.37:156:27First Quarter16Wed
17Thu12:122.72:252.88:030.28:011.07:166:26Waxing Gibbous17Thu
18Fri1:332.73:032.98:430.28:580.87:176:25Waxing Gibbous18Fri
19Sat2:382.73:343.09:180.29:490.57:186:23Waxing Gibbous19Sat
20Sun3:332.74:003.29:490.410:360.37:196:22Waxing Gibbous20Sun
21Mon4:242.84:203.410:170.511:200.27:206:21Full Moon21Mon
22Tue5:142.84:403.610:470.77:216:19Full Moon22Tue
23Wed6:042.85:063.812:040.111:20 AM0.97:226:18Full Moon23Wed
24Thu6:572.85:394.012:480.011:59 AM1.17:236:17Full Moon24Thu
25Fri7:522.86:184.11:330.012:431.37:246:16Waning Gibbous25Fri
26Sat8:502.77:044.12:22-0.11:321.47:256:14Waning Gibbous26Sat
27Sun8:522.76:553.92:150.01:291.46:265:13Waning Gibbous27Sun
28Mon9:542.77:543.63:140.02:351.46:275:12Third Quarter28Mon
29Tue10:552.79:063.34:170.03:511.36:285:11Third Quarter29Tue
30Wed11:522.810:343.05:200.05:141.16:295:10Third Quarter30Wed
31Thu12:433.06:170.06:310.86:305:08Third Quarter31Thu
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 1:27 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 transitional phase. Tonight's moon is 71% 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 Waning Gibbous (71% 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