37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

63°
H -°
L 56°
WNW
3mph
High tide
3:22 am

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

TIDE TIMES for Tuesday, September 8, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 10:30 am (0.0 ft)
Next high tide : in 1h 56m at 3:22 am (3.9 ft)
Sunset today : 7:24 pm
Sunrise tomorrow : 6:41 am
Moon phase : Waning Crescent (7% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Sep 1882

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:033.18:084.02:070.22:000.95:426:42Waning Gibbous1Fri
2Sat9:022.89:004.03:050.32:471.25:436:40Third Quarter2Sat
3Sun10:042.69:543.94:060.33:411.45:446:39Third Quarter3Sun
4Mon11:082.410:533.75:090.44:431.55:456:37Third Quarter4Mon
5Tue12:122.36:110.45:501.55:456:36Third Quarter5Tue
6Wed1:152.47:090.46:531.55:466:34Waning Crescent6Wed
7Thu12:533.52:112.48:010.47:511.45:476:33Waning Crescent7Thu
8Fri1:513.42:582.68:490.48:441.25:486:31Waning Crescent8Fri
9Sat2:433.43:382.79:320.49:341.05:496:30Waning Crescent9Sat
10Sun3:323.34:152.910:130.410:210.95:506:28New Moon10Sun
11Mon4:163.34:503.010:520.411:060.75:516:27New Moon11Mon
12Tue4:593.25:243.111:290.511:500.65:516:25New Moon12Tue
13Wed5:423.15:573.312:050.75:526:24New Moon13Wed
14Thu6:243.06:303.312:330.512:390.95:536:22Waxing Crescent14Thu
15Fri7:082.87:013.41:150.51:101.15:546:20Waxing Crescent15Fri
16Sat7:542.77:343.41:590.51:371.25:556:19Waxing Crescent16Sat
17Sun8:452.58:093.42:470.51:531.45:566:17Waxing Crescent17Sun
18Mon9:402.48:533.43:390.52:061.55:576:16First Quarter18Mon
19Tue10:392.39:473.44:370.52:421.65:576:14First Quarter19Tue
20Wed11:412.210:523.35:380.44:291.65:586:13First Quarter20Wed
21Thu12:402.36:350.36:151.55:596:11First Quarter21Thu
22Fri12:033.31:352.57:280.27:231.36:006:09Waxing Gibbous22Fri
23Sat1:133.42:242.78:180.28:230.96:016:08Waxing Gibbous23Sat
24Sun2:183.43:093.09:040.29:200.66:026:06Waxing Gibbous24Sun
25Mon3:183.43:523.49:490.210:150.36:036:05Full Moon25Mon
26Tue4:153.44:343.710:330.411:090.06:046:03Full Moon26Tue
27Wed5:093.45:164.011:170.66:046:02Full Moon27Wed
28Thu6:033.25:594.112:02-0.212:000.86:056:00Waning Gibbous28Thu
29Fri6:573.16:444.212:55-0.212:451.06:065:59Waning Gibbous29Fri
30Sat7:532.97:324.11:48-0.21:311.26:075:57Waning Gibbous30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415021)

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

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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 7% 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 Waning Crescent (7% 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