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

TIDE TIMES for Monday, July 6, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide : 4:22 pm (0.2 ft)
Next high tide : in 2h 02m at 9:45 am (2.8 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 - Oct 1990

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:593.14:183.010:070.110:110.77:016:49Waxing Gibbous1Mon
2Tue3:543.24:433.210:380.210:580.57:026:48Waxing Gibbous2Tue
3Wed4:453.25:053.411:070.311:450.37:036:46Full Moon3Wed
4Thu5:373.25:293.611:380.57:046:45Full Moon4Thu
5Fri6:303.15:583.912:320.112:120.77:056:43Full Moon5Fri
6Sat7:263.06:334.11:220.012:500.97:066:42Waning Gibbous6Sat
7Sun8:282.97:134.12:150.01:341.17:076:40Waning Gibbous7Sun
8Mon9:362.88:004.03:130.02:251.37:086:39Waning Gibbous8Mon
9Tue10:472.78:553.84:190.13:251.47:096:37Third Quarter9Tue
10Wed11:582.710:033.55:310.14:391.57:106:36Third Quarter10Wed
11Thu1:022.86:410.16:031.47:116:34Third Quarter11Thu
12Fri1:592.97:430.07:241.17:126:33Third Quarter12Fri
13Sat1:013.12:493.18:370.08:340.87:136:31Waning Crescent13Sat
14Sun2:163.03:333.29:230.09:350.57:136:30Waning Crescent14Sun
15Mon3:183.04:113.310:030.110:290.37:146:29Waning Crescent15Mon
16Tue4:123.04:443.410:370.311:190.17:156:27New Moon16Tue
17Wed5:022.95:123.411:080.57:166:26New Moon17Wed
18Thu5:512.95:333.512:060.111:35 AM0.87:176:24New Moon18Thu
19Fri6:392.85:493.512:500.012:001.07:186:23New Moon19Fri
20Sat7:292.86:063.61:320.112:281.27:196:22Waxing Crescent20Sat
21Sun8:202.76:323.72:120.11:031.47:206:20Waxing Crescent21Sun
22Mon9:142.77:053.62:520.11:431.57:216:19Waxing Crescent22Mon
23Tue10:092.67:463.53:340.22:311.57:226:18Waxing Crescent23Tue
24Wed11:062.68:343.34:190.23:251.67:236:16Waxing Crescent24Wed
25Thu12:022.65:100.24:291.57:246:15First Quarter25Thu
26Fri12:532.66:050.15:411.47:256:14First Quarter26Fri
27Sat1:392.76:560.16:541.27:266:13First Quarter27Sat
28Sun12:052.71:172.86:420.17:000.96:275:12Waxing Gibbous28Sun
29Mon12:282.71:493.07:230.17:590.66:295:10Waxing Gibbous29Mon
30Tue1:392.72:163.27:590.38:520.36:305:09Waxing Gibbous30Tue
31Wed2:412.82:423.48:350.49:430.16:315:08Waxing Gibbous31Wed
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 1:03 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.

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