37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

65°
H 77°
L 46°
SW
13mph
Low tide
11:56 am

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

TIDE TIMES for Saturday, October 10, 2026
The tide is currently falling in Blackslough Landing, San Joaquin River, CA.
Next low tide : in 2h 59m at 11:56 am (0.7 ft)
Next high tide : 5:56 pm (3.6 ft)
Sunset today : 6:35 pm
Sunrise tomorrow : 7:09 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Sep 1825

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu7:462.87:493.31:570.71:501.15:426:42Waning Gibbous1Thu
2Fri8:352.68:253.32:450.72:161.35:436:41Waning Gibbous2Fri
3Sat9:292.49:043.43:380.72:281.55:446:39Third Quarter3Sat
4Sun10:282.39:513.44:350.72:361.65:446:38Third Quarter4Sun
5Mon11:312.210:463.45:360.73:141.75:456:36Third Quarter5Mon
6Tue12:342.26:340.55:381.75:466:35Third Quarter6Tue
7Wed1:332.37:280.46:571.65:476:33Waning Crescent7Wed
8Thu12:543.52:242.58:180.37:591.45:486:32Waning Crescent8Thu
9Fri1:563.63:092.79:040.28:561.15:496:30Waning Crescent9Fri
10Sat2:553.73:513.09:480.19:510.85:506:29Waning Crescent10Sat
11Sun3:503.74:303.310:300.210:460.55:506:27New Moon11Sun
12Mon4:443.65:103.611:110.311:390.25:516:25New Moon12Mon
13Tue5:373.55:513.911:520.55:526:24New Moon13Tue
14Wed6:323.36:334.112:330.012:330.85:536:22Waxing Crescent14Wed
15Thu7:283.17:194.11:270.01:151.05:546:21Waxing Crescent15Thu
16Fri8:262.88:094.12:230.01:591.25:556:19Waxing Crescent16Fri
17Sat9:272.69:034.03:220.12:501.45:566:18First Quarter17Sat
18Sun10:292.410:033.84:230.23:531.65:566:16First Quarter18Sun
19Mon11:332.411:063.65:260.35:051.65:576:14First Quarter19Mon
20Tue12:372.36:270.36:151.55:586:13First Quarter20Tue
21Wed12:103.41:352.47:220.37:181.35:596:11Waxing Gibbous21Wed
22Thu1:133.22:242.58:110.38:161.16:006:10Waxing Gibbous22Thu
23Fri2:113.13:052.78:560.39:070.96:016:08Waxing Gibbous23Fri
24Sat3:043.13:432.99:380.49:560.76:026:07Waxing Gibbous24Sat
25Sun3:523.04:173.010:170.510:410.56:036:05Full Moon25Sun
26Mon4:373.04:513.210:550.611:250.36:036:04Full Moon26Mon
27Tue5:202.95:243.311:310.86:046:02Full Moon27Tue
28Wed6:042.85:553.412:070.312:061.06:056:00Full Moon28Wed
29Thu6:472.86:263.512:490.212:391.26:065:59Waning Gibbous29Thu
30Fri7:332.66:573.51:320.31:081.46:075:57Waning Gibbous30Fri
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 0% 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 (0% 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