37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

91°
H -°
L 62°
WNW
10mph
Low tide
11:31 pm

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

TIDE TIMES for Wednesday, August 26, 2026
The tide is currently falling in Blackslough Landing, San Joaquin River, CA.
Next low tide : in 4h 16m at 11:31 pm (1.3 ft)
Next high tide (tomorrow) : 5:25 am (3.6 ft)
Sunset today : 7:44 pm
Sunrise tomorrow : 6:30 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Jun 1915

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:284.09:202.61:361.62:55-0.44:447:21Waning Gibbous1Tue
2Wed8:273.510:102.62:441.53:44-0.24:447:22Waning Gibbous2Wed
3Thu9:293.010:582.73:561.34:32-0.14:447:23Third Quarter3Thu
4Fri10:342.511:442.85:071.15:200.14:437:23Third Quarter4Fri
5Sat11:412.16:150.86:060.44:437:24Third Quarter5Sat
6Sun12:283.012:511.97:160.56:510.64:437:24Waning Crescent6Sun
7Mon1:113.21:591.98:100.37:340.94:427:25Waning Crescent7Mon
8Tue1:523.43:022.08:590.18:171.24:427:26Waning Crescent8Tue
9Wed2:323.63:562.19:450.09:001.54:427:26Waning Crescent9Wed
10Thu3:113.84:432.310:290.09:421.74:427:27New Moon10Thu
11Fri3:494.05:272.411:120.010:241.84:427:27New Moon11Fri
12Sat4:264.06:102.511:55-0.111:061.94:427:28New Moon12Sat
13Sun5:024.06:532.512:37-0.14:427:28New Moon13Sun
14Mon5:383.97:372.51:18-0.14:427:28New Moon14Mon
15Tue6:133.88:202.512:291.81:57-0.24:427:29Waxing Crescent15Tue
16Wed6:513.59:032.51:151.82:36-0.24:427:29Waxing Crescent16Wed
17Thu7:343.29:432.52:111.63:14-0.14:427:30Waxing Crescent17Thu
18Fri8:262.810:222.63:181.43:500.04:427:30First Quarter18Fri
19Sat9:312.511:002.94:301.24:270.34:427:30First Quarter19Sat
20Sun10:482.211:403.25:390.95:030.64:427:31First Quarter20Sun
21Mon12:102.16:430.65:430.94:427:31First Quarter21Mon
22Tue12:233.61:302.17:420.26:281.24:437:31Waxing Gibbous22Tue
23Wed1:104.02:422.28:380.07:191.54:437:31Waxing Gibbous23Wed
24Thu2:004.43:462.49:33-0.28:171.74:437:31Waxing Gibbous24Thu
25Fri2:524.74:432.510:26-0.49:181.84:437:32Full Moon25Fri
26Sat3:454.95:342.711:18-0.410:211.84:447:32Full Moon26Sat
27Sun4:374.96:242.812:08-0.54:447:32Full Moon27Sun
28Mon5:294.77:122.812:55-0.44:447:32Waning Gibbous28Mon
29Tue6:214.37:592.912:271.71:41-0.34:457:32Waning Gibbous29Tue
30Wed7:143.98:462.91:291.52:25-0.24:457:32Waning Gibbous30Wed
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 98% 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 Full Moon (98% 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