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

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in Blackslough Landing, San Joaquin River, CA.
Next low tide : in 33m at 7:26 pm (0.9 ft)
Next high tide (tomorrow) : 1:49 am (3.4 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:43 am
Moon phase : First Quarter (69% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Mar 2043

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:503.19:542.22:371.14:010.56:365:59Waning Gibbous1Sun
2Mon9:273.210:552.02:481.35:000.56:356:00Third Quarter2Mon
3Tue10:123.32:421.56:020.56:336:01Third Quarter3Tue
4Wed12:012.011:06 AM3.33:071.77:020.56:326:02Third Quarter4Wed
5Thu1:102.012:083.44:001.87:570.36:316:03Third Quarter5Thu
6Fri2:122.01:113.57:071.78:470.26:296:04Waning Crescent6Fri
7Sat3:032.22:103.58:101.69:330.06:286:05Waning Crescent7Sat
8Sun4:442.34:053.610:061.311:15-0.17:267:06Waning Crescent8Sun
9Mon5:222.54:573.611:001.011:55-0.17:257:06New Moon9Mon
10Tue5:572.85:483.511:530.77:237:07New Moon10Tue
11Wed6:323.06:403.312:320.012:450.47:227:08New Moon11Wed
12Thu7:073.37:333.11:090.21:370.17:207:09New Moon12Thu
13Fri7:443.68:292.81:440.42:30-0.17:197:10Waxing Crescent13Fri
14Sat8:233.89:282.62:180.73:26-0.27:177:11Waxing Crescent14Sat
15Sun9:073.910:312.42:521.04:25-0.17:167:12Waxing Crescent15Sun
16Mon9:573.911:382.23:281.35:290.07:147:13First Quarter16Mon
17Tue10:553.84:141.66:360.17:137:14First Quarter17Tue
18Wed12:482.112:003.75:381.77:410.17:117:15First Quarter18Wed
19Thu1:592.11:093.67:051.78:400.17:107:16First Quarter19Thu
20Fri3:052.22:173.48:181.59:330.17:087:17Waxing Gibbous20Fri
21Sat3:552.33:203.39:211.310:200.17:077:18Waxing Gibbous21Sat
22Sun4:362.54:163.210:181.011:020.17:057:19Waxing Gibbous22Sun
23Mon5:112.65:063.111:100.711:410.17:047:20Full Moon23Mon
24Tue5:452.85:532.911:580.57:027:21Full Moon24Tue
25Wed6:173.06:372.812:180.312:430.37:007:22Full Moon25Wed
26Thu6:493.17:222.712:530.51:270.16:597:23Full Moon26Thu
27Fri7:193.28:082.61:270.72:090.16:577:24Waning Gibbous27Fri
28Sat7:493.38:552.41:590.92:520.16:567:24Waning Gibbous28Sat
29Sun8:193.39:442.32:271.23:370.26:547:25Waning Gibbous29Sun
30Mon8:513.310:382.22:441.44:260.26:537:26Waning Gibbous30Mon
31Tue9:283.311:352.12:431.65:220.36:517:27Third Quarter31Tue
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 10:37 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 transitional phase. Tonight's moon is 69% 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 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 First Quarter (69% illuminated). This places Blackslough Landing, 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