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

TIDE TIMES for Tuesday, July 28, 2026
The tide is currently falling in Blackslough Landing, San Joaquin River, CA.
Next low tide : in 1h 22m at 12:22 pm (0.2 ft)
Next high tide : 6:31 pm (2.6 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 6:05 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Mar 1965

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:432.54:143.610:191.311:170.06:375:59New Moon1Mon
2Tue5:192.64:563.511:051.111:540.06:356:00New Moon2Tue
3Wed5:532.75:373.311:500.96:346:01New Moon3Wed
4Thu6:272.86:203.212:290.112:340.76:326:02New Moon4Thu
5Fri7:002.97:052.91:010.21:190.66:316:03Waxing Crescent5Fri
6Sat7:323.17:562.71:310.42:070.46:296:04Waxing Crescent6Sat
7Sun8:053.28:532.51:580.73:000.36:286:05Waxing Crescent7Sun
8Mon8:433.49:572.32:191.04:000.36:266:06Waxing Crescent8Mon
9Tue9:283.511:062.22:391.25:050.26:256:07First Quarter9Tue
10Wed10:233.63:111.56:120.16:236:07First Quarter10Wed
11Thu12:182.111:28 AM3.74:211.67:150.16:226:08First Quarter11Thu
12Fri1:282.212:393.86:301.78:130.06:206:09Waxing Gibbous12Fri
13Sat2:302.31:483.87:451.59:07-0.16:196:10Waxing Gibbous13Sat
14Sun3:222.52:523.88:501.39:56-0.26:176:11Waxing Gibbous14Sun
15Mon4:062.73:493.89:501.010:42-0.16:166:12Full Moon15Mon
16Tue4:482.94:433.610:460.711:25-0.16:146:13Full Moon16Tue
17Wed5:273.15:353.411:390.46:136:14Full Moon17Wed
18Thu6:063.36:253.112:060.112:310.26:116:15Full Moon18Thu
19Fri6:443.47:162.912:450.31:200.16:106:16Waning Gibbous19Fri
20Sat7:233.48:082.61:240.62:100.16:086:17Waning Gibbous20Sat
21Sun8:023.49:022.42:020.83:000.16:076:18Waning Gibbous21Sun
22Mon8:433.39:582.22:411.13:540.26:056:19Waning Gibbous22Mon
23Tue9:273.210:562.13:241.34:510.36:046:20Third Quarter23Tue
24Wed10:183.211:582.04:181.55:500.36:026:21Third Quarter24Wed
25Thu11:143.15:241.66:480.36:016:22Third Quarter25Thu
26Fri1:002.012:163.06:301.67:420.35:596:23Third Quarter26Fri
27Sat1:562.11:173.07:291.48:310.25:586:24Waning Crescent27Sat
28Sun2:442.22:143.08:241.29:160.15:566:24Waning Crescent28Sun
29Mon3:252.43:063.09:141.09:570.15:556:25Waning Crescent29Mon
30Tue4:012.53:543.010:020.810:350.15:536:26Waning Crescent30Tue
31Wed4:362.74:413.010:480.511:120.25:516:27New Moon31Wed
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 3:26 pm — 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 99% 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 Full Moon (99% 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