Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Monday, August 10, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide : 2:10 pm (2.0 ft)
Next high tide : in 2h 46m at 9:25 am (3.6 ft)
Sunset today : 7:49 pm
Sunrise tomorrow : 6:17 am
Moon phase : Waning Crescent (5% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Mar 2011

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:104.88:233.71:201.52:12-0.56:255:54Waning Crescent1Tue
2Wed7:474.88:453.91:571.22:39-0.46:245:55New Moon2Wed
3Thu8:204.79:064.02:291.03:04-0.26:235:56New Moon3Thu
4Fri8:524.59:264.23:000.83:260.06:225:57New Moon4Fri
5Sat9:224.39:474.33:310.63:470.26:215:57New Moon5Sat
6Sun9:534.010:104.34:030.64:080.56:195:58New Moon6Sun
7Mon10:263.610:344.34:370.54:280.86:185:59Waxing Crescent7Mon
8Tue11:023.211:004.25:150.64:471.26:176:00Waxing Crescent8Tue
9Wed11:452.711:314.26:000.75:041.56:156:01Waxing Crescent9Wed
10Thu12:502.36:580.95:171.86:146:01Waxing Crescent10Thu
11Fri12:124.08:240.96:136:02First Quarter11Fri
12Sat1:163.910:080.76:126:03First Quarter12Sat
13Sun3:503.97:372.712:210.47:107:04First Quarter13Sun
14Mon5:194.17:503.11:100.07:097:04First Quarter14Mon
15Tue6:264.58:113.512:342.01:49-0.47:087:05Waxing Gibbous15Tue
16Wed7:214.88:363.91:301.52:24-0.67:067:06Waxing Gibbous16Wed
17Thu8:115.09:044.42:180.92:58-0.77:057:07Waxing Gibbous17Thu
18Fri8:595.19:354.83:040.33:32-0.67:047:07Full Moon18Fri
19Sat9:465.010:095.23:51-0.24:06-0.47:027:08Full Moon19Sat
20Sun10:354.610:455.44:38-0.64:410.07:017:09Full Moon20Sun
21Mon11:264.211:235.45:28-0.75:170.57:007:10Waning Gibbous21Mon
22Tue12:213.66:21-0.65:541.06:587:10Waning Gibbous22Tue
23Wed12:055.21:283.17:21-0.46:341.56:577:11Waning Gibbous23Wed
24Thu12:544.82:592.78:32-0.17:252.06:567:12Third Quarter24Thu
25Fri1:554.45:012.79:580.18:552.36:547:13Third Quarter25Fri
26Sat3:194.16:323.011:250.111:052.46:537:13Third Quarter26Sat
27Sun4:543.97:203.312:340.06:527:14Third Quarter27Sun
28Mon6:124.07:533.512:342.01:240.06:507:15Waning Crescent28Mon
29Tue7:094.18:193.81:301.62:030.06:497:15Waning Crescent29Tue
30Wed7:554.18:414.02:111.22:330.16:487:16Waning Crescent30Wed
31Thu8:334.19:014.22:460.92:590.26:467:17Waning Crescent31Thu
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 11:47 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 San Nicolas Island, CA?

San Nicolas Island, CA is currently in a spring phase. Tonight's moon is 5% 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 (5% 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