37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

71°
H -°
L 46°
WSW
13mph
Low tide
12:46 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 (tomorrow) : in 6h 38m at 12:46 am (-0.1 ft)
Next high tide (tomorrow) : 6:47 am (2.7 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 1824

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:302.26:260.55:531.75:426:42First Quarter1Wed
2Thu1:342.37:230.56:571.65:436:40Waxing Gibbous2Thu
3Fri12:593.62:282.38:140.47:541.55:446:39Waxing Gibbous3Fri
4Sat1:553.53:112.59:000.48:471.35:456:37Waxing Gibbous4Sat
5Sun2:473.53:492.69:430.39:371.15:456:36Waxing Gibbous5Sun
6Mon3:343.44:242.810:220.310:241.05:466:34Full Moon6Mon
7Tue4:183.34:572.910:590.411:090.85:476:33Full Moon7Tue
8Wed5:013.25:303.111:340.511:530.65:486:31Full Moon8Wed
9Thu5:433.16:023.212:080.75:496:30Full Moon9Thu
10Fri6:263.06:323.312:360.612:400.95:506:28Waning Gibbous10Fri
11Sat7:112.87:023.41:190.51:071.15:516:27Waning Gibbous11Sat
12Sun7:592.77:333.52:040.51:251.35:516:25Waning Gibbous12Sun
13Mon8:522.58:093.62:520.51:331.55:526:23Waning Gibbous13Mon
14Tue9:512.38:553.63:480.51:531.65:536:22Third Quarter14Tue
15Wed10:542.29:533.64:500.52:311.75:546:20Third Quarter15Wed
16Thu11:592.211:013.65:530.43:421.75:556:19Third Quarter16Thu
17Fri1:002.36:520.26:181.65:566:17Third Quarter17Fri
18Sat12:153.51:552.47:450.17:321.45:576:16Waning Crescent18Sat
19Sun1:263.52:422.78:350.18:341.05:576:14Waning Crescent19Sun
20Mon2:323.53:263.09:210.19:330.65:586:13Waning Crescent20Mon
21Tue3:323.54:073.410:050.210:290.35:596:11New Moon21Tue
22Wed4:293.44:483.710:470.411:230.06:006:09New Moon22Wed
23Thu5:233.35:283.911:290.66:016:08New Moon23Thu
24Fri6:173.16:104.112:16-0.212:110.86:026:06Waxing Crescent24Fri
25Sat7:112.96:544.11:08-0.212:531.16:036:05Waxing Crescent25Sat
26Sun8:062.77:404.02:00-0.11:371.36:046:03Waxing Crescent26Sun
27Mon9:032.68:303.82:540.02:251.56:046:02Waxing Crescent27Mon
28Tue10:012.49:243.63:510.23:211.66:056:00First Quarter28Tue
29Wed11:012.310:233.44:500.34:281.66:065:58First Quarter29Wed
30Thu12:012.25:490.35:381.66:075:57First Quarter30Thu
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