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

TIDE TIMES for Monday, July 13, 2026
The tide is currently rising in Prisoners Point, San Joaquin River, CA.
Next low tide : 12:15 pm (-0.2 ft)
Next high tide : in 3h 47m at 3:44 am (4.5 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 5:53 am
Moon phase : Waning Crescent (4% illuminated)
Tide Station Location : Station #9415149
Common Questions About Tides

Prisoners Point, San Joaquin River, CA Tides - Aug 2071

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:123.110:583.64:420.84:260.46:098:15First Quarter1Sat
2Sun11:262.811:483.65:500.75:130.76:108:14First Quarter2Sun
3Mon12:412.77:000.66:060.96:118:13First Quarter3Mon
4Tue12:413.61:522.78:070.47:061.16:128:12First Quarter4Tue
5Wed1:343.62:562.89:080.28:061.36:138:11Waxing Gibbous5Wed
6Thu2:243.63:522.910:010.19:031.46:138:10Waxing Gibbous6Thu
7Fri3:093.74:423.010:480.19:561.46:148:09Waxing Gibbous7Fri
8Sat3:503.75:273.111:300.110:441.46:158:08Waxing Gibbous8Sat
9Sun4:273.76:073.212:070.16:168:06Full Moon9Sun
10Mon5:023.66:443.212:400.16:178:05Full Moon10Mon
11Tue5:373.67:153.212:111.31:070.26:188:04Full Moon11Tue
12Wed6:123.57:413.212:501.21:300.26:198:03Full Moon12Wed
13Thu6:513.48:023.21:281.11:510.36:208:02Waning Gibbous13Thu
14Fri7:333.38:233.32:061.02:150.36:208:00Waning Gibbous14Fri
15Sat8:193.18:503.42:460.92:460.46:217:59Waning Gibbous15Sat
16Sun9:142.99:263.53:310.93:240.56:227:58Waning Gibbous16Sun
17Mon10:242.710:103.64:280.84:100.76:237:56Third Quarter17Mon
18Tue11:532.511:033.75:430.85:031.06:247:55Third Quarter18Tue
19Wed1:192.57:090.76:061.26:257:54Third Quarter19Wed
20Thu12:043.82:312.78:240.57:161.36:267:52Waning Crescent20Thu
21Fri1:113.93:312.99:260.38:281.36:277:51Waning Crescent21Fri
22Sat2:184.04:243.110:200.19:351.26:277:50Waning Crescent22Sat
23Sun3:214.15:113.211:080.010:381.16:287:48New Moon23Sun
24Mon4:194.15:553.411:530.011:371.06:297:47New Moon24Mon
25Tue5:154.16:373.512:340.06:307:46New Moon25Tue
26Wed6:094.07:173.512:330.81:130.16:317:44New Moon26Wed
27Thu7:033.87:563.61:280.71:510.26:327:43Waxing Crescent27Thu
28Fri7:583.58:343.62:220.62:270.46:337:41Waxing Crescent28Fri
29Sat8:573.39:133.63:180.53:050.56:337:40Waxing Crescent29Sat
30Sun10:013.09:563.54:170.53:460.86:347:38First Quarter30Sun
31Mon11:112.810:453.45:210.54:341.06:357:37First Quarter31Mon
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 7:59 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 4% 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 Crescent (4% 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