37.9950’ N, 121.4200’ W

Blackslough Landing, San Joaquin River, CA

71°
H -°
L 58°
W
5mph
High tide
10:28 pm

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

TIDE TIMES for Saturday, October 3, 2026
The tide is currently rising in Blackslough Landing, San Joaquin River, CA.
Next low tide : 6:21 am (0.1 ft)
Next high tide (tomorrow) : in 47m at 10:28 pm (3.8 ft)
Sunset today : 6:47 pm
Sunrise tomorrow : 7:02 am
Moon phase : Third Quarter (59% illuminated)
Tide Station Location : Station #9415021
Common Questions About Tides

Blackslough Landing, San Joaquin River, CA Tides - Jan 1838

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:472.99:202.83:22-0.33:521.07:295:04First Quarter1Mon
2Tue10:333.110:312.34:060.05:050.77:295:05First Quarter2Tue
3Wed11:193.311:462.04:510.46:140.47:295:05First Quarter3Wed
4Thu12:063.55:380.77:180.27:295:06First Quarter4Thu
5Fri1:041.912:553.86:271.08:160.07:295:07Waxing Gibbous5Fri
6Sat2:201.91:454.07:191.39:090.07:295:08Waxing Gibbous6Sat
7Sun3:272.12:334.18:111.69:59-0.17:295:09Waxing Gibbous7Sun
8Mon4:212.23:204.29:031.710:46-0.17:295:10Full Moon8Mon
9Tue5:062.44:054.39:551.811:30-0.17:295:11Full Moon9Tue
10Wed5:462.54:474.210:451.87:295:12Full Moon10Wed
11Thu6:262.55:274.012:12-0.111:33 AM1.77:285:13Full Moon11Thu
12Fri7:052.56:073.812:52-0.112:211.67:285:14Waning Gibbous12Fri
13Sat7:432.56:473.41:30-0.11:091.57:285:15Waning Gibbous13Sat
14Sun8:222.57:283.02:07-0.12:001.37:285:16Waning Gibbous14Sun
15Mon9:002.58:142.72:420.12:541.27:275:17Waning Gibbous15Mon
16Tue9:362.69:082.33:150.23:541.07:275:18Waning Gibbous16Tue
17Wed10:122.810:122.13:450.54:570.97:275:19Third Quarter17Wed
18Thu10:493.011:251.94:080.85:590.77:265:20Third Quarter18Thu
19Fri11:283.24:181.16:580.57:265:21Third Quarter19Fri
20Sat12:421.912:123.54:381.47:540.37:255:22Third Quarter20Sat
21Sun1:562.01:023.85:281.68:470.17:255:23Waning Crescent21Sun
22Mon3:022.21:564.16:541.89:380.07:245:24Waning Crescent22Mon
23Tue3:572.32:504.48:131.910:28-0.27:245:25Waning Crescent23Tue
24Wed4:452.53:424.59:201.811:15-0.47:235:26New Moon24Wed
25Thu5:292.64:344.510:231.77:225:28New Moon25Thu
26Fri6:122.75:254.412:01-0.511:25 AM1.57:225:29New Moon26Fri
27Sat6:542.96:184.012:44-0.512:261.27:215:30Waxing Crescent27Sat
28Sun7:373.07:143.61:25-0.41:280.97:205:31Waxing Crescent28Sun
29Mon8:193.28:133.12:05-0.22:300.77:195:32Waxing Crescent29Mon
30Tue9:033.39:162.62:450.13:350.57:195:33Waxing Crescent30Tue
31Wed9:493.510:232.23:250.54:420.47:185:34First Quarter31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415021)

Common Questions About Blackslough Landing, San Joaquin River, CA Tides

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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 neap phase. Tonight's moon is 59% 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 minimum.

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 Third Quarter (59% illuminated). This places Blackslough Landing, San Joaquin River, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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