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

TIDE TIMES for Friday, June 19, 2026
The tide is currently falling in Blackslough Landing, San Joaquin River, CA.
Next low tide : in 1h 53m at 4:25 pm (-0.2 ft)
Next high tide : 10:50 pm (2.9 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 5:43 am
Moon phase : Waxing Crescent (28% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Mar 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:173.24:571.56:530.56:365:59First Quarter1Thu
2Fri12:492.012:163.26:141.57:460.36:346:00First Quarter2Fri
3Sat1:482.11:163.37:181.48:350.26:336:01Waxing Gibbous3Sat
4Sun2:402.22:133.48:161.39:200.16:316:02Waxing Gibbous4Sun
5Mon3:242.53:073.49:101.110:030.16:306:03Waxing Gibbous5Mon
6Tue4:052.73:593.510:020.810:440.16:286:04Full Moon6Tue
7Wed4:433.04:493.410:530.511:230.26:276:05Full Moon7Wed
8Thu5:213.35:393.411:440.36:256:06Full Moon8Thu
9Fri6:003.56:313.212:020.312:350.16:246:07Full Moon9Fri
10Sat6:403.77:253.012:410.51:280.06:236:08Waning Gibbous10Sat
11Sun8:233.99:222.81:200.83:22-0.17:217:09Waning Gibbous11Sun
12Mon9:113.910:222.53:011.04:210.07:207:10Waning Gibbous12Mon
13Tue10:043.811:252.43:481.25:230.07:187:11Third Quarter13Tue
14Wed11:033.74:481.36:260.17:167:12Third Quarter14Wed
15Thu12:292.312:063.66:011.47:290.17:157:13Third Quarter15Thu
16Fri1:352.21:123.47:141.38:260.17:137:14Third Quarter16Fri
17Sat2:362.32:183.38:211.29:180.17:127:15Waning Crescent17Sat
18Sun3:302.53:193.29:211.010:060.27:107:16Waning Crescent18Sun
19Mon4:152.74:143.110:160.810:500.27:097:17Waning Crescent19Mon
20Tue4:552.85:043.011:070.511:310.37:077:18New Moon20Tue
21Wed5:333.05:513.011:550.47:067:18New Moon21Wed
22Thu6:083.26:352.912:110.412:400.27:047:19New Moon22Thu
23Fri6:433.37:192.812:490.61:230.27:037:20New Moon23Fri
24Sat7:173.38:032.71:250.82:060.17:017:21Waxing Crescent24Sat
25Sun7:513.38:482.62:010.92:490.27:007:22Waxing Crescent25Sun
26Mon8:253.39:362.42:341.13:350.26:587:23Waxing Crescent26Mon
27Tue9:013.210:272.23:051.34:230.36:577:24Waxing Crescent27Tue
28Wed9:403.211:212.13:301.45:170.36:557:25First Quarter28Wed
29Thu10:283.13:521.46:130.36:547:26First Quarter29Thu
30Fri12:172.011:25 AM2.95:301.57:090.26:527:27First Quarter30Fri
31Sat1:142.112:312.96:551.48:020.26:517:28First Quarter31Sat
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 7:37 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 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 Waxing 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