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

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 8:05 am (0.5 ft)
Next high tide : in 40m at 1:05 am (3.3 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:43 am
Moon phase : First Quarter (69% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Jun 2006

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu9:263.211:252.33:541.74:590.05:448:22Waxing Crescent1Thu
2Fri10:212.85:021.55:450.15:448:23First Quarter2Fri
3Sat12:092.311:22 AM2.46:101.36:290.25:438:23First Quarter3Sat
4Sun12:512.412:292.17:151.07:120.45:438:24First Quarter4Sun
5Mon1:312.61:391.98:130.77:530.65:438:25First Quarter5Mon
6Tue2:102.92:481.99:050.48:320.95:438:25Waxing Gibbous6Tue
7Wed2:483.23:512.09:540.29:101.25:428:26Waxing Gibbous7Wed
8Thu3:253.54:482.210:410.09:471.55:428:26Waxing Gibbous8Thu
9Fri4:023.85:402.411:26-0.110:231.75:428:27Waxing Gibbous9Fri
10Sat4:404.16:292.512:12-0.25:428:27Full Moon10Sat
11Sun5:184.37:172.612:58-0.35:428:28Full Moon11Sun
12Mon5:594.48:052.61:43-0.45:428:28Full Moon12Mon
13Tue6:414.38:532.612:292.02:29-0.45:428:29Waning Gibbous13Tue
14Wed7:284.19:412.61:261.93:15-0.45:428:29Waning Gibbous14Wed
15Thu8:213.810:282.62:331.84:00-0.45:428:29Waning Gibbous15Thu
16Fri9:213.411:142.83:491.64:46-0.25:428:30Waning Gibbous16Fri
17Sat10:292.911:593.05:071.35:310.05:428:30Third Quarter17Sat
18Sun11:432.56:220.96:170.35:428:30Third Quarter18Sun
19Mon12:433.21:002.27:310.67:030.65:428:31Third Quarter19Mon
20Tue1:293.52:182.08:340.27:490.95:438:31Waning Crescent20Tue
21Wed2:163.93:322.19:310.08:371.35:438:31Waning Crescent21Wed
22Thu3:034.14:382.210:24-0.29:271.65:438:31Waning Crescent22Thu
23Fri3:504.45:342.411:15-0.210:181.85:438:32Waning Crescent23Fri
24Sat4:364.56:232.512:03-0.25:448:32New Moon24Sat
25Sun5:214.57:082.612:50-0.15:448:32New Moon25Sun
26Mon6:054.47:522.612:021.91:34-0.15:448:32New Moon26Mon
27Tue6:474.28:362.612:531.92:17-0.15:458:32Waxing Crescent27Tue
28Wed7:293.99:182.61:441.82:58-0.15:458:32Waxing Crescent28Wed
29Thu8:133.510:002.62:371.73:380.05:458:32Waxing Crescent29Thu
30Fri8:583.110:402.63:321.64:170.15:468:32Waxing Crescent30Fri
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 4:35 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 69% 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 First Quarter (69% 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