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

TIDE TIMES for Tuesday, July 28, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 12:22 pm (0.2 ft)
Next high tide : in 1h 26m at 5:00 am (4.1 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 - Oct 2087

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:382.58:583.33:340.33:091.47:016:48Waxing Crescent1Wed
2Thu10:302.49:413.24:240.43:471.57:026:46Waxing Crescent2Thu
3Fri11:252.210:323.05:170.44:441.67:036:45First Quarter3Fri
4Sat12:212.26:140.46:001.57:046:43First Quarter4Sat
5Sun1:152.27:080.37:091.47:056:42First Quarter5Sun
6Mon12:382.82:072.37:590.38:091.27:066:40First Quarter6Mon
7Tue1:452.82:532.58:460.39:040.97:076:39Waxing Gibbous7Tue
8Wed2:482.83:362.89:300.39:550.67:086:37Waxing Gibbous8Wed
9Thu3:472.94:153.210:120.410:450.37:096:36Waxing Gibbous9Thu
10Fri4:423.04:543.510:530.511:350.07:106:34Full Moon10Fri
11Sat5:353.05:333.811:340.77:116:33Full Moon11Sat
12Sun6:273.06:144.112:25-0.212:160.97:116:32Full Moon12Sun
13Mon7:203.06:574.21:16-0.412:581.17:126:30Waning Gibbous13Mon
14Tue8:142.97:434.22:07-0.41:431.27:136:29Waning Gibbous14Tue
15Wed9:112.78:344.13:00-0.42:341.37:146:27Waning Gibbous15Wed
16Thu10:092.69:313.83:55-0.33:321.47:156:26Waning Gibbous16Thu
17Fri11:092.510:343.54:53-0.24:421.47:166:25Third Quarter17Fri
18Sat12:082.55:520.05:561.37:176:23Third Quarter18Sat
19Sun1:052.56:500.17:081.17:186:22Third Quarter19Sun
20Mon12:492.91:592.67:440.18:120.97:196:21Waning Crescent20Mon
21Tue1:562.72:482.88:340.29:100.67:206:19Waning Crescent21Tue
22Wed2:592.63:313.09:200.410:020.37:216:18Waning Crescent22Wed
23Thu3:572.54:113.210:040.510:490.17:226:17Waning Crescent23Thu
24Fri4:482.54:493.410:450.711:340.07:236:15New Moon24Fri
25Sat5:352.65:243.511:260.97:246:14New Moon25Sat
26Sun6:192.65:593.612:17-0.112:061.07:256:13New Moon26Sun
27Mon7:032.66:333.61:00-0.112:441.27:266:12New Moon27Mon
28Tue7:472.67:063.61:42-0.11:221.47:276:11Waxing Crescent28Tue
29Wed8:332.57:393.52:240.01:591.57:286:09Waxing Crescent29Wed
30Thu9:202.48:133.33:070.02:361.57:296:08Waxing Crescent30Thu
31Fri10:092.38:533.13:520.03:171.57:306:07Waxing Crescent31Fri
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 8:41 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 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