Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide (tomorrow) : 2:59 am (-1.0 ft)
Next high tide : in 2h 31m at 7:21 pm (5.8 ft)
Sunset today : 7:50 pm
Sunrise tomorrow : 6:16 am
Moon phase : Waning Crescent (12% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Apr 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:413.87:333.412:062.21:020.26:447:18Waxing Gibbous1Sun
2Mon6:414.17:553.81:021.71:380.06:437:19Waxing Gibbous2Mon
3Tue7:324.38:204.21:471.12:11-0.16:417:20Waxing Gibbous3Tue
4Wed8:204.58:484.72:290.52:44-0.16:407:20Waxing Gibbous4Wed
5Thu9:064.59:205.13:12-0.13:170.06:397:21Full Moon5Thu
6Fri9:544.49:545.43:56-0.63:520.26:387:22Full Moon6Fri
7Sat10:434.110:315.64:42-0.94:280.56:367:23Full Moon7Sat
8Sun11:363.811:125.55:31-1.05:060.96:357:23Waning Gibbous8Sun
9Mon12:343.46:25-0.95:481.36:347:24Waning Gibbous9Mon
10Tue1:453.17:25-0.76:381.76:327:25Waning Gibbous10Tue
11Wed12:524.93:132.98:34-0.47:472.16:317:25Third Quarter11Wed
12Thu2:004.44:493.19:52-0.29:322.36:307:26Third Quarter12Thu
13Fri3:264.16:013.411:090.011:232.16:297:27Third Quarter13Fri
14Sat4:583.96:503.712:130.06:277:28Third Quarter14Sat
15Sun6:153.97:284.012:411.61:040.16:267:28Waning Crescent15Sun
16Mon7:163.97:584.31:361.11:450.26:257:29Waning Crescent16Mon
17Tue8:053.98:254.52:200.72:180.46:247:30Waning Crescent17Tue
18Wed8:473.88:494.62:570.42:470.66:237:31Waning Crescent18Wed
19Thu9:253.79:134.83:310.13:130.86:227:31New Moon19Thu
20Fri10:013.69:364.84:02-0.13:371.16:207:32New Moon20Fri
21Sat10:373.410:004.84:34-0.24:011.36:197:33New Moon21Sat
22Sun11:133.310:274.85:06-0.24:261.56:187:34New Moon22Sun
23Mon11:533.110:554.75:41-0.24:511.76:177:34Waxing Crescent23Mon
24Tue12:392.96:19-0.15:171.96:167:35Waxing Crescent24Tue
25Wed1:382.77:030.15:462.26:157:36Waxing Crescent25Wed
26Thu12:024.32:582.67:550.36:262.46:147:37Waxing Crescent26Thu
27Fri12:484.04:322.78:570.47:512.66:137:37First Quarter27Fri
28Sat1:533.75:303.010:040.510:022.56:127:38First Quarter28Sat
29Sun3:223.56:053.311:050.511:372.16:117:39First Quarter29Sun
30Mon4:533.56:343.811:560.56:107:40First Quarter30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410068)

Common Questions About San Nicolas Island, CA Tides

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What time does the tide turn (slack tide) in San Nicolas Island, CA today?

Slack tide in San Nicolas Island, CA is approximately 11:10 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 San Nicolas Island, CA?

San Nicolas Island, CA is currently in a spring phase. Tonight's moon is 12% 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 San Nicolas Island, 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 San Nicolas Island, CA?

Tide predictions for San Nicolas Island, 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 San Nicolas Island, CA?

Tide data for San Nicolas Island, CA is sourced from NOAA Station #9410068. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9410068.

What is the moon phase in San Nicolas Island, CA tonight?

Tonight the moon over San Nicolas Island, CA is Waning Crescent (12% illuminated). This places San Nicolas Island, 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