Tides Today & Tomorrow in Blackslough Landing, San Joaquin River, CA

TIDE TIMES for Monday, July 13, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 11:14 pm (1.9 ft)
Next high tide : in 1h 32m at 6:22 pm (2.7 ft)
Sunset today : 8:28 pm
Sunrise tomorrow : 5:54 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Aug 1979

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:362.37:080.96:141.36:088:15First Quarter1Wed
2Thu12:453.51:462.38:050.77:091.46:098:14First Quarter2Thu
3Fri1:353.72:532.48:590.58:081.66:108:13Waxing Gibbous3Fri
4Sat2:284.03:522.69:500.39:061.66:108:12Waxing Gibbous4Sat
5Sun3:214.24:462.810:400.110:031.66:118:11Waxing Gibbous5Sun
6Mon4:144.45:343.011:280.011:011.56:128:10Full Moon6Mon
7Tue5:064.56:203.112:16-0.16:138:09Full Moon7Tue
8Wed5:574.57:063.31:01-0.16:148:08Full Moon8Wed
9Thu6:504.37:513.412:561.21:460.06:158:07Waning Gibbous9Thu
10Fri7:434.08:383.61:531.02:310.16:168:05Waning Gibbous10Fri
11Sat8:403.69:263.62:520.83:150.36:178:04Waning Gibbous11Sat
12Sun9:393.210:153.73:520.74:010.66:178:03Waning Gibbous12Sun
13Mon10:412.911:063.74:550.74:500.86:188:02Third Quarter13Mon
14Tue11:452.611:593.75:590.65:431.16:198:01Third Quarter14Tue
15Wed12:512.47:030.56:411.36:207:59Third Quarter15Wed
16Thu12:533.71:582.38:030.57:391.46:217:58Waning Crescent16Thu
17Fri1:483.83:022.48:580.48:351.56:227:57Waning Crescent17Fri
18Sat2:423.83:572.59:490.49:281.56:237:55Waning Crescent18Sat
19Sun3:333.84:442.610:360.410:181.56:247:54Waning Crescent19Sun
20Mon4:203.85:252.811:190.311:061.46:247:53New Moon20Mon
21Tue5:043.86:032.912:010.36:257:51New Moon21Tue
22Wed5:463.86:403.012:400.36:267:50New Moon22Wed
23Thu6:273.67:173.012:381.21:180.36:277:49New Moon23Thu
24Fri7:073.57:533.11:221.11:550.46:287:47Waxing Crescent24Fri
25Sat7:483.28:293.12:061.02:300.66:297:46Waxing Crescent25Sat
26Sun8:313.09:053.12:510.93:040.76:307:44Waxing Crescent26Sun
27Mon9:182.89:423.23:380.93:340.96:307:43Waxing Crescent27Mon
28Tue10:112.610:213.24:310.84:011.16:317:42Waxing Crescent28Tue
29Wed11:112.411:053.35:290.84:231.36:327:40First Quarter29Wed
30Thu12:162.36:300.75:071.56:337:39First Quarter30Thu
31Fri1:232.37:300.66:401.66:347:37First Quarter31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415021)

Common Questions About Blackslough Landing, San Joaquin River, CA Tides

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What time does the tide turn (slack tide) in Blackslough Landing, San Joaquin River, CA today?

Slack tide in Blackslough Landing, San Joaquin River, CA is approximately 8:48 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 Blackslough Landing, San Joaquin River, CA?

Blackslough Landing, San Joaquin River, CA is currently in a spring phase. Tonight's moon is 1% 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 Blackslough Landing, 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 Blackslough Landing, San Joaquin River, CA?

Tide predictions for Blackslough Landing, 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 Blackslough Landing, San Joaquin River, CA?

Tide data for Blackslough Landing, San Joaquin River, CA is sourced from NOAA Station #9415021. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415021.

What is the moon phase in Blackslough Landing, San Joaquin River, CA tonight?

Tonight the moon over Blackslough Landing, San Joaquin River, CA is New Moon (1% illuminated). This places Blackslough Landing, 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