Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in San Nicolas Island, CA.
Next low tide : in 1h 24m at 8:54 am (0.0 ft)
Next high tide : 3:42 pm (4.0 ft)
Sunset today : 8:10 pm
Sunrise tomorrow : 5:48 am
Moon phase : First Quarter (38% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Feb 2040

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:334.64:461.75:39-0.16:535:29Waning Gibbous1Wed
2Thu12:013.611:12 AM4.15:341.76:070.36:525:30Waning Gibbous2Thu
3Fri12:353.712:003.56:341.66:380.76:525:31Waning Gibbous3Fri
4Sat1:163.91:092.97:541.57:131.26:515:32Third Quarter4Sat
5Sun2:064.13:022.49:341.28:001.66:505:33Third Quarter5Sun
6Mon3:074.35:242.411:070.69:152.06:495:34Third Quarter6Mon
7Tue4:144.76:512.712:15-0.16:485:35Waning Crescent7Tue
8Wed5:185.17:413.01:08-0.76:485:36Waning Crescent8Wed
9Thu6:165.58:203.312:032.01:54-1.26:475:37Waning Crescent9Thu
10Fri7:095.88:563.61:041.82:37-1.56:465:37Waning Crescent10Fri
11Sat7:586.09:313.81:561.53:17-1.66:455:38New Moon11Sat
12Sun8:456.010:064.02:441.23:55-1.56:445:39New Moon12Sun
13Mon9:295.710:424.13:321.04:32-1.26:435:40New Moon13Mon
14Tue10:135.211:184.24:190.95:07-0.76:425:41Waxing Crescent14Tue
15Wed10:584.611:554.25:090.95:41-0.26:415:42Waxing Crescent15Wed
16Thu11:463.86:031.06:130.56:405:43Waxing Crescent16Thu
17Fri12:334.112:423.17:061.16:451.16:395:44Waxing Crescent17Fri
18Sat1:164.02:082.58:281.27:161.76:385:45First Quarter18Sat
19Sun2:073.95:012.310:141.07:592.26:375:46First Quarter19Sun
20Mon3:143.97:142.611:460.79:552.56:365:46First Quarter20Mon
21Tue4:293.97:492.812:430.36:355:47First Quarter21Tue
22Wed5:324.18:113.01:240.06:345:48Waxing Gibbous22Wed
23Thu6:204.48:303.212:332.31:57-0.36:325:49Waxing Gibbous23Thu
24Fri7:004.68:483.31:122.12:25-0.56:315:50Waxing Gibbous24Fri
25Sat7:354.99:073.41:451.82:51-0.66:305:51Waxing Gibbous25Sat
26Sun8:085.09:273.62:161.53:16-0.66:295:52Full Moon26Sun
27Mon8:405.09:493.72:481.33:41-0.66:285:52Full Moon27Mon
28Tue9:134.910:123.93:211.14:05-0.46:275:53Full Moon28Tue
29Wed9:484.710:374.13:580.94:30-0.26:255:54Full Moon29Wed
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 12:18 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 transitional phase. Tonight's moon is 38% 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 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 First Quarter (38% illuminated). This places San Nicolas Island, 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