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

TIDE TIMES for Thursday, July 9, 2026
The tide is currently falling in Blackslough Landing, San Joaquin River, CA.
Next low tide : in 6h 36m at 8:30 am (0.3 ft)
Next high tide : 2:22 pm (2.1 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 5:51 am
Moon phase : Waning Crescent (28% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Nov 2066

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon5:512.55:263.811:241.07:326:06Full Moon1Mon
2Tue6:382.56:033.912:31-0.312:061.37:336:05Full Moon2Tue
3Wed7:242.66:393.91:14-0.312:471.47:346:04Full Moon3Wed
4Thu8:102.57:153.81:58-0.21:281.67:356:03Waning Gibbous4Thu
5Fri8:572.47:533.62:42-0.12:091.67:366:02Waning Gibbous5Fri
6Sat9:452.38:333.33:27-0.12:541.67:376:01Waning Gibbous6Sat
7Sun9:352.28:183.03:140.02:491.66:385:00Waning Gibbous7Sun
8Mon10:242.29:132.74:020.03:581.56:394:59Third Quarter8Mon
9Tue11:122.210:172.44:510.15:091.36:404:58Third Quarter9Tue
10Wed11:572.311:272.25:390.16:151.06:414:57Third Quarter10Wed
11Thu12:402.56:240.27:130.76:424:56Third Quarter11Thu
12Fri12:382.11:202.87:070.48:050.46:434:55Waning Crescent12Fri
13Sat1:452.11:593.17:470.68:540.16:444:55Waning Crescent13Sat
14Sun2:472.22:373.58:260.89:42-0.16:454:54Waning Crescent14Sun
15Mon3:442.33:163.89:051.110:29-0.36:464:53Waning Crescent15Mon
16Tue4:372.53:564.29:441.311:17-0.56:484:52New Moon16Tue
17Wed5:282.64:374.410:261.56:494:52New Moon17Wed
18Thu6:192.65:214.412:05-0.611:12 AM1.66:504:51New Moon18Thu
19Fri7:102.66:094.312:55-0.612:041.66:514:51Waxing Crescent19Fri
20Sat8:032.67:014.11:44-0.61:041.66:524:50Waxing Crescent20Sat
21Sun8:572.68:003.72:35-0.52:121.56:534:49Waxing Crescent21Sun
22Mon9:502.69:053.23:26-0.43:281.36:544:49First Quarter22Mon
23Tue10:422.710:152.74:18-0.24:451.16:554:48First Quarter23Tue
24Wed11:322.811:282.35:090.05:580.86:564:48First Quarter24Wed
25Thu12:213.06:000.27:040.46:574:48First Quarter25Thu
26Fri12:412.11:083.26:490.48:020.16:584:47Waxing Gibbous26Fri
27Sat1:512.01:533.57:360.78:55-0.16:594:47Waxing Gibbous27Sat
28Sun2:562.02:363.78:221.09:43-0.27:004:47Waxing Gibbous28Sun
29Mon3:522.23:183.99:071.210:29-0.27:014:46Full Moon29Mon
30Tue4:412.33:574.09:521.411:13-0.37:024:46Full Moon30Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415021)

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

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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 11:26 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 transitional phase. Tonight's moon is 28% 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 (28% 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