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

TIDE TIMES for Saturday, July 11, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 10:23 am (-0.1 ft)
Next high tide : in 1h 41m at 2:43 am (4.5 ft)
Sunset today : 8:29 pm
Sunrise tomorrow : 5:52 am
Moon phase : Waning Crescent (10% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - May 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:393.510:272.32:531.54:08-0.16:097:55Waning Gibbous1Sun
2Mon9:223.311:202.23:401.64:590.06:087:56Waning Gibbous2Mon
3Tue10:123.04:391.65:530.16:077:57Third Quarter3Tue
4Wed12:142.211:10 AM2.85:481.66:460.16:067:58Third Quarter4Wed
5Thu1:062.212:142.66:561.47:370.16:057:59Third Quarter5Thu
6Fri1:552.21:212.47:581.28:240.26:038:00Third Quarter6Fri
7Sat2:392.42:262.48:530.99:080.26:028:01Waning Crescent7Sat
8Sun3:202.63:262.49:440.69:480.46:018:02Waning Crescent8Sun
9Mon3:572.84:222.410:320.310:270.56:008:03Waning Crescent9Mon
10Tue4:323.15:152.511:180.011:040.85:598:04Waning Crescent10Tue
11Wed5:063.46:052.612:03-0.25:588:05New Moon11Wed
12Thu5:393.76:562.612:49-0.45:578:06New Moon12Thu
13Fri6:143.97:482.612:171.21:35-0.55:578:06New Moon13Fri
14Sat6:524.18:412.612:531.42:23-0.55:568:07Waxing Crescent14Sat
15Sun7:344.19:372.51:321.63:13-0.55:558:08Waxing Crescent15Sun
16Mon8:224.010:332.52:191.74:06-0.45:548:09Waxing Crescent16Mon
17Tue9:183.711:302.53:231.75:02-0.45:538:10Waxing Crescent17Tue
18Wed10:243.44:461.65:59-0.35:528:11First Quarter18Wed
19Thu12:252.511:36 AM3.16:081.46:54-0.15:528:12First Quarter19Thu
20Fri1:172.612:512.77:221.17:460.05:518:12First Quarter20Fri
21Sat2:072.82:042.58:280.78:350.25:508:13Waxing Gibbous21Sat
22Sun2:533.13:142.49:270.49:210.45:498:14Waxing Gibbous22Sun
23Mon3:363.44:172.310:220.010:050.65:498:15Waxing Gibbous23Mon
24Tue4:173.65:142.411:12-0.210:490.95:488:16Waxing Gibbous24Tue
25Wed4:573.86:052.511:59-0.311:321.25:488:17Full Moon25Wed
26Thu5:353.96:542.512:44-0.35:478:17Full Moon26Thu
27Fri6:124.07:412.612:151.41:28-0.35:468:18Full Moon27Fri
28Sat6:494.08:282.512:581.62:12-0.25:468:19Waning Gibbous28Sat
29Sun7:253.89:162.51:411.72:56-0.25:458:20Waning Gibbous29Sun
30Mon8:033.610:042.42:251.83:40-0.15:458:20Waning Gibbous30Mon
31Tue8:443.410:522.43:131.84:260.05:458:21Waning Gibbous31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415021)

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

Show All
What time does the tide turn (slack tide) in Blackslough Landing, San Joaquin River, CA today?

Slack tide in Blackslough Landing, San Joaquin River, CA is approximately 6:33 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

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 10% 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 Waning Crescent (10% 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