37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

89°
H -°
L 72°
WNW
6mph
Low tide
11:16 pm

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

TIDE TIMES for Wednesday, September 9, 2026
The tide is currently falling in Blackslough Landing, San Joaquin River, CA.
Next low tide : in 3h 04m at 11:16 pm (0.9 ft)
Next high tide (tomorrow) : 5:15 am (3.7 ft)
Sunset today : 7:23 pm
Sunrise tomorrow : 6:42 am
Moon phase : New Moon (2% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Dec 1878

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun11:212.510:572.24:570.15:391.07:104:53First Quarter1Sun
2Mon12:042.65:430.36:410.77:114:53First Quarter2Mon
3Tue12:051.912:462.86:270.57:370.47:124:53Waxing Gibbous3Tue
4Wed1:141.81:263.07:100.78:270.27:134:53Waxing Gibbous4Wed
5Thu2:191.92:053.37:511.09:140.17:144:53Waxing Gibbous5Thu
6Fri3:182.02:443.58:321.29:59-0.17:144:53Waxing Gibbous6Fri
7Sat4:092.23:223.89:121.510:43-0.17:154:53Waxing Gibbous7Sat
8Sun4:562.33:594.09:511.611:26-0.27:164:53Full Moon8Sun
9Mon5:412.44:354.110:301.87:174:53Full Moon9Mon
10Tue6:252.55:114.112:09-0.211:08 AM1.87:184:53Full Moon10Tue
11Wed7:102.55:494.012:52-0.311:50 AM1.87:194:53Waning Gibbous11Wed
12Thu7:552.46:303.71:34-0.412:381.77:194:53Waning Gibbous12Thu
13Fri8:402.47:173.42:15-0.41:391.67:204:54Waning Gibbous13Fri
14Sat9:242.58:133.02:56-0.32:511.47:214:54Waning Gibbous14Sat
15Sun10:072.69:212.63:38-0.24:081.17:214:54Third Quarter15Sun
16Mon10:502.910:392.24:200.05:230.87:224:54Third Quarter16Mon
17Tue11:343.25:040.36:300.47:234:55Third Quarter17Tue
18Wed12:002.012:203.55:500.77:320.17:234:55Waning Crescent18Wed
19Thu1:192.01:083.96:381.08:30-0.27:244:56Waning Crescent19Thu
20Fri2:332.01:594.27:301.39:24-0.47:244:56Waning Crescent20Fri
21Sat3:382.22:494.58:241.510:16-0.47:254:57Waning Crescent21Sat
22Sun4:342.43:394.69:191.711:06-0.57:254:57New Moon22Sun
23Mon5:242.54:274.610:151.711:54-0.57:264:58New Moon23Mon
24Tue6:102.65:144.511:111.77:264:58New Moon24Tue
25Wed6:562.66:004.212:40-0.412:071.67:274:59Waxing Crescent25Wed
26Thu7:402.66:473.81:23-0.41:021.57:274:59Waxing Crescent26Thu
27Fri8:242.67:343.32:05-0.31:581.47:275:00Waxing Crescent27Fri
28Sat9:072.68:242.82:46-0.12:571.27:285:01Waxing Crescent28Sat
29Sun9:492.69:202.43:260.03:591.17:285:01First Quarter29Sun
30Mon10:302.710:222.14:060.35:030.97:285:02First Quarter30Mon
31Tue11:102.911:311.94:460.66:060.77:285:03First Quarter31Tue
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 2% 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 (2% 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