37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

62°
H -°
L 54°
W
9mph
High tide
1:07 am

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

TIDE TIMES for Sunday, September 6, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 8:48 am (0.2 ft)
Next high tide : in 28m at 1:07 am (4.0 ft)
Sunset today : 7:27 pm
Sunrise tomorrow : 6:40 am
Moon phase : Waning Crescent (23% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Nov 1886

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:412.58:583.23:23-0.13:191.56:315:06First Quarter1Mon
2Tue10:352.49:542.94:160.04:231.46:325:05First Quarter2Tue
3Wed11:282.410:552.65:100.15:281.36:335:04First Quarter3Wed
4Thu12:192.46:030.26:301.16:355:03First Quarter4Thu
5Fri1:062.56:520.27:260.96:365:02Waxing Gibbous5Fri
6Sat1:002.31:502.67:380.38:170.66:375:01Waxing Gibbous6Sat
7Sun2:002.32:312.98:220.49:050.46:385:00Waxing Gibbous7Sun
8Mon2:542.43:093.19:030.59:510.26:394:59Waxing Gibbous8Mon
9Tue3:452.43:453.39:430.710:350.06:404:58Waxing Gibbous9Tue
10Wed4:322.54:193.510:210.911:18-0.16:414:58Full Moon10Wed
11Thu5:182.64:533.710:591.16:424:57Full Moon11Thu
12Fri6:042.65:263.812:00-0.211:35 AM1.26:434:56Full Moon12Fri
13Sat6:522.66:003.812:44-0.312:111.46:444:55Waning Gibbous13Sat
14Sun7:412.66:393.71:28-0.312:491.56:454:54Waning Gibbous14Sun
15Mon8:332.57:233.62:14-0.31:341.56:464:54Waning Gibbous15Mon
16Tue9:272.58:173.43:04-0.32:381.56:474:53Waning Gibbous16Tue
17Wed10:212.59:233.13:56-0.23:581.46:494:52Third Quarter17Wed
18Thu11:142.610:382.84:51-0.15:171.26:504:52Third Quarter18Thu
19Fri12:062.85:460.06:270.96:514:51Third Quarter19Fri
20Sat12:573.06:390.17:300.66:524:50Waning Crescent20Sat
21Sun1:082.51:453.37:300.38:280.26:534:50Waning Crescent21Sun
22Mon2:172.52:323.68:190.59:22-0.16:544:49Waning Crescent22Mon
23Tue3:192.53:173.99:070.710:13-0.36:554:49Waning Crescent23Tue
24Wed4:152.64:004.19:540.911:02-0.46:564:48New Moon24Wed
25Thu5:082.74:434.210:411.111:50-0.56:574:48New Moon25Thu
26Fri5:572.75:244.111:281.26:584:48New Moon26Fri
27Sat6:462.76:064.012:36-0.412:161.46:594:47Waxing Crescent27Sat
28Sun7:352.76:483.81:21-0.41:051.57:004:47Waxing Crescent28Sun
29Mon8:242.67:323.52:06-0.31:561.57:014:47Waxing Crescent29Mon
30Tue9:132.58:193.12:52-0.22:511.57:024:46Waxing Crescent30Tue
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 transitional phase. Tonight's moon is 23% 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 shifting between spring and neap.

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 Waning Crescent (23% illuminated). This places Blackslough Landing, San Joaquin River, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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