37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

97°
H -°
L 62°
WNW
10mph
High tide
5:51 pm

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

TIDE TIMES for Wednesday, August 26, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 11:31 pm (1.3 ft)
Next high tide : in 24m at 5:51 pm (2.7 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 - Jul 1915

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:093.39:313.02:321.33:080.04:467:32Waning Gibbous1Thu
2Fri9:082.810:153.13:361.13:500.24:467:32Third Quarter2Fri
3Sat10:092.410:583.24:420.94:330.54:477:32Third Quarter3Sat
4Sun11:142.111:413.35:460.75:170.84:477:31Third Quarter4Sun
5Mon12:231.96:460.66:021.14:487:31Third Quarter5Mon
6Tue12:253.51:331.97:410.56:491.44:487:31Waning Crescent6Tue
7Wed1:103.62:392.18:320.47:371.64:497:31Waning Crescent7Wed
8Thu1:553.83:352.29:200.38:241.84:497:31Waning Crescent8Thu
9Fri2:404.04:222.410:060.29:111.94:507:30Waning Crescent9Fri
10Sat3:244.15:042.510:500.29:581.94:517:30New Moon10Sat
11Sun4:054.25:452.611:320.110:451.94:517:30New Moon11Sun
12Mon4:444.16:252.612:120.04:527:29New Moon12Mon
13Tue5:224.07:042.712:51-0.14:537:29New Moon13Tue
14Wed6:003.87:422.712:201.71:27-0.14:537:28Waxing Crescent14Wed
15Thu6:413.58:192.81:101.52:010.04:547:28Waxing Crescent15Thu
16Fri7:283.28:562.92:031.42:330.24:557:27Waxing Crescent16Fri
17Sat8:222.89:333.23:031.23:030.44:557:27Waxing Crescent17Sat
18Sun9:282.510:113.44:071.03:290.74:567:26First Quarter18Sun
19Mon10:422.310:553.75:150.73:551.14:577:26First Quarter19Mon
20Tue12:012.26:200.54:291.44:587:25First Quarter20Tue
21Wed1:192.27:220.35:281.74:587:24Waxing Gibbous21Wed
22Thu12:404.32:312.38:210.16:531.94:597:24Waxing Gibbous22Thu
23Fri1:404.63:332.59:170.08:081.95:007:23Waxing Gibbous23Fri
24Sat2:384.74:262.610:10-0.19:161.95:017:22Waxing Gibbous24Sat
25Sun3:354.85:122.810:59-0.210:201.75:027:22Full Moon25Sun
26Mon4:284.65:562.911:46-0.211:211.55:027:21Full Moon26Mon
27Tue5:194.46:393.012:29-0.15:037:20Full Moon27Tue
28Wed6:104.07:213.112:191.31:110.05:047:19Waning Gibbous28Wed
29Thu7:003.68:023.21:161.21:500.25:057:18Waning Gibbous29Thu
30Fri7:533.18:433.32:121.02:280.45:067:17Waning Gibbous30Fri
31Sat8:482.79:253.33:090.93:060.75:067:16Waning Gibbous31Sat
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