37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

57°
H 76°
L 48°
SW
10mph
High tide
5:59 am

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

TIDE TIMES for Saturday, October 10, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 11:56 am (0.7 ft)
Next high tide : in 33m at 5:59 am (2.8 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 - Feb 1826

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:382.112:224.05:591.47:470.27:175:35Waning Crescent1Wed
2Thu1:492.21:234.07:061.58:430.17:165:36Waning Crescent2Thu
3Fri2:532.32:214.18:091.59:340.07:155:38Waning Crescent3Fri
4Sat3:462.53:154.19:081.410:220.07:145:39Waning Crescent4Sat
5Sun4:312.74:054.010:031.311:06-0.17:135:40New Moon5Sun
6Mon5:122.84:523.810:561.111:470.07:125:41New Moon6Mon
7Tue5:522.95:373.611:471.07:115:42New Moon7Tue
8Wed6:303.06:213.412:260.012:350.97:105:43New Moon8Wed
9Thu7:073.17:053.11:040.21:220.87:095:44Waxing Crescent9Thu
10Fri7:453.17:512.81:410.32:100.77:085:45Waxing Crescent10Fri
11Sat8:233.18:402.52:160.53:000.77:075:47Waxing Crescent11Sat
12Sun9:023.19:322.32:500.83:540.77:065:48Waxing Crescent12Sun
13Mon9:433.210:302.13:241.04:520.77:055:49First Quarter13Mon
14Tue10:283.211:332.03:571.25:520.67:045:50First Quarter14Tue
15Wed11:183.34:431.46:500.57:035:51First Quarter15Wed
16Thu12:382.012:123.45:551.57:440.47:015:52First Quarter16Thu
17Fri1:422.01:093.57:011.58:340.37:005:53Waxing Gibbous17Fri
18Sat2:382.22:043.68:001.59:210.16:595:54Waxing Gibbous18Sat
19Sun3:262.42:573.78:541.310:050.06:585:55Waxing Gibbous19Sun
20Mon4:092.63:473.79:481.110:470.06:565:56Full Moon20Mon
21Tue4:492.84:363.710:400.911:270.06:555:57Full Moon21Tue
22Wed5:273.15:253.611:320.76:545:58Full Moon22Wed
23Thu6:063.36:153.412:060.112:240.56:525:59Full Moon23Thu
24Fri6:463.57:083.212:450.21:170.36:516:00Waning Gibbous24Fri
25Sat7:283.78:052.91:230.52:120.26:506:01Waning Gibbous25Sat
26Sun8:133.89:042.62:020.73:100.26:486:02Waning Gibbous26Sun
27Mon9:033.810:082.42:441.04:130.26:476:03Third Quarter27Mon
28Tue9:583.811:142.23:351.25:180.26:466:04Third Quarter28Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415021)

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

Collapse All
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