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

TIDE TIMES for Thursday, June 25, 2026
The tide is currently falling in Blackslough Landing, San Joaquin River, CA.
Next low tide : in 4h 05m at 8:58 pm (1.5 ft)
Next high tide (tomorrow) : 3:16 am (3.8 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:44 am
Moon phase : Waxing Gibbous (85% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Feb 2002

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:323.28:223.22:18-0.22:400.87:095:28Waning Gibbous1Fri
2Sat9:173.39:262.73:000.13:460.67:085:29Waning Gibbous2Sat
3Sun10:053.410:342.33:430.44:540.57:085:31Third Quarter3Sun
4Mon10:543.611:452.14:300.86:010.37:075:32Third Quarter4Mon
5Tue11:463.75:231.17:050.27:065:33Third Quarter5Tue
6Wed12:592.012:403.86:211.38:030.27:055:34Waning Crescent6Wed
7Thu2:132.11:363.97:201.58:570.17:045:35Waning Crescent7Thu
8Fri3:162.22:293.98:171.69:470.17:035:36Waning Crescent8Fri
9Sat4:052.43:184.09:111.610:320.17:025:37Waning Crescent9Sat
10Sun4:462.54:044.010:021.611:150.17:005:38New Moon10Sun
11Mon5:232.64:473.910:511.511:550.06:595:39New Moon11Mon
12Tue6:002.65:283.711:381.36:585:41New Moon12Tue
13Wed6:362.76:083.512:330.012:231.26:575:42New Moon13Wed
14Thu7:122.76:493.21:090.11:081.06:565:43Waxing Crescent14Thu
15Fri7:472.77:322.91:440.21:540.96:555:44Waxing Crescent15Fri
16Sat8:222.88:182.62:160.32:420.86:545:45Waxing Crescent16Sat
17Sun8:562.89:112.32:460.63:350.76:525:46Waxing Crescent17Sun
18Mon9:313.010:112.23:090.84:340.76:515:47First Quarter18Mon
19Tue10:093.111:192.03:181.15:360.66:505:48First Quarter19Tue
20Wed10:533.33:311.36:370.56:495:49First Quarter20Wed
21Thu12:312.011:47 AM3.54:121.67:350.36:475:50First Quarter21Thu
22Fri1:412.112:473.76:001.78:300.16:465:51Waxing Gibbous22Fri
23Sat2:432.21:493.97:341.79:210.06:455:52Waxing Gibbous23Sat
24Sun3:352.42:484.18:391.610:10-0.26:435:53Waxing Gibbous24Sun
25Mon4:212.63:444.29:391.410:56-0.36:425:54Full Moon25Mon
26Tue5:032.84:384.110:381.111:40-0.36:415:55Full Moon26Tue
27Wed5:443.05:313.911:350.86:395:57Full Moon27Wed
28Thu6:253.26:253.612:23-0.212:310.56:385:58Full Moon28Thu
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 12:07 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 85% 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 Waxing Gibbous (85% 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