37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

66°
H 81°
L 59°
SW
3mph
High tide
11:37 am

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

TIDE TIMES for Thursday, September 3, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 3:31 pm (1.7 ft)
Next high tide : in 2h 11m at 11:37 am (2.3 ft)
Sunset today : 7:32 pm
Sunrise tomorrow : 6:37 am
Moon phase : Third Quarter (56% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Jan 1901

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:292.22:064.27:461.39:23-0.27:214:56Waxing Gibbous1Tue
2Wed3:312.42:584.38:431.410:14-0.37:224:57Waxing Gibbous2Wed
3Thu4:242.53:484.49:391.411:02-0.37:224:58Full Moon3Thu
4Fri5:122.74:364.310:341.411:47-0.37:224:59Full Moon4Fri
5Sat5:572.85:214.111:271.47:225:00Full Moon5Sat
6Sun6:412.86:063.912:31-0.312:191.37:225:01Waning Gibbous6Sun
7Mon7:242.96:513.51:12-0.21:111.27:225:01Waning Gibbous7Mon
8Tue8:062.97:373.11:53-0.12:031.27:225:02Waning Gibbous8Tue
9Wed8:482.98:262.82:320.12:571.17:225:03Waning Gibbous9Wed
10Thu9:302.99:192.43:120.33:541.07:215:04Third Quarter10Thu
11Fri10:122.910:182.23:510.54:550.97:215:05Third Quarter11Fri
12Sat10:553.011:212.04:330.75:550.77:215:06Third Quarter12Sat
13Sun11:403.25:181.06:530.67:215:07Third Quarter13Sun
14Mon12:281.912:273.36:071.27:470.47:215:08Third Quarter14Mon
15Tue1:352.01:163.56:581.38:370.37:205:09Waning Crescent15Tue
16Wed2:362.12:043.77:491.59:250.17:205:10Waning Crescent16Wed
17Thu3:302.22:503.98:391.510:100.07:205:11Waning Crescent17Thu
18Fri4:172.43:354.09:291.510:54-0.17:195:12New Moon18Fri
19Sat5:002.64:194.110:191.511:36-0.27:195:14New Moon19Sat
20Sun5:422.75:044.011:101.47:185:15New Moon20Sun
21Mon6:222.95:493.912:16-0.312:021.27:185:16New Moon21Mon
22Tue7:033.06:383.612:56-0.212:551.07:175:17Waxing Crescent22Tue
23Wed7:453.27:303.31:35-0.11:510.97:175:18Waxing Crescent23Wed
24Thu8:293.38:292.92:130.12:510.77:165:19Waxing Crescent24Thu
25Fri9:143.59:332.62:530.43:560.67:155:20First Quarter25Fri
26Sat10:033.610:412.33:360.65:030.57:155:21First Quarter26Sat
27Sun10:553.811:532.24:250.96:090.37:145:22First Quarter27Sun
28Mon11:513.95:251.27:120.27:135:23First Quarter28Mon
29Tue1:052.112:504.06:301.38:110.17:125:25Waxing Gibbous29Tue
30Wed2:142.21:484.07:331.49:040.17:125:26Waxing Gibbous30Wed
31Thu3:142.42:444.18:331.49:540.07:115:27Waxing Gibbous31Thu
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 neap phase. Tonight's moon is 56% 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 minimum.

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 Third Quarter (56% illuminated). This places Blackslough Landing, San Joaquin River, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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