Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently falling in San Nicolas Island, CA.
Next low tide : in 1h 07m at 2:15 am (-0.6 ft)
Next high tide : 8:51 am (3.3 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 - Aug 2013

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:133.06:504.71:460.512:392.36:117:57Waning Crescent1Thu
2Fri8:503.27:324.92:270.31:302.26:117:56Waning Crescent2Fri
3Sat9:193.48:085.13:000.12:102.16:127:55Waning Crescent3Sat
4Sun9:433.58:425.23:29-0.12:451.96:137:54Waning Crescent4Sun
5Mon10:073.79:145.23:55-0.23:191.76:147:53New Moon5Mon
6Tue10:313.89:465.24:21-0.23:521.66:147:52New Moon6Tue
7Wed10:563.910:185.14:47-0.14:271.56:157:51New Moon7Wed
8Thu11:224.110:524.85:130.05:041.46:167:50New Moon8Thu
9Fri11:504.211:284.45:390.25:451.46:167:49Waxing Crescent9Fri
10Sat12:214.36:060.56:321.46:177:48Waxing Crescent10Sat
11Sun12:104.012:574.46:350.97:291.46:187:47Waxing Crescent11Sun
12Mon1:013.51:414.47:071.38:441.46:187:46First Quarter12Mon
13Tue2:143.02:374.57:471.710:181.26:197:45First Quarter13Tue
14Wed4:062.73:484.68:472.011:460.86:207:44First Quarter14Wed
15Thu6:032.85:034.910:182.26:217:43First Quarter15Thu
16Fri7:153.16:115.212:520.311:50 AM2.26:217:42Waxing Gibbous16Fri
17Sat8:023.57:095.61:44-0.21:011.96:227:41Waxing Gibbous17Sat
18Sun8:413.98:025.92:29-0.61:581.56:237:40Waxing Gibbous18Sun
19Mon9:184.28:506.03:10-0.82:491.26:237:39Full Moon19Mon
20Tue9:544.59:365.93:48-0.83:380.96:247:38Full Moon20Tue
21Wed10:294.810:215.64:25-0.74:250.76:257:36Full Moon21Wed
22Thu11:064.911:065.15:01-0.45:120.66:257:35Waning Gibbous22Thu
23Fri11:424.911:534.55:370.16:010.76:267:34Waning Gibbous23Fri
24Sat12:204.86:110.66:540.96:277:33Waning Gibbous24Sat
25Sun12:433.91:014.76:461.27:551.16:277:31Waning Gibbous25Sun
26Mon1:453.31:484.47:231.79:131.26:287:30Third Quarter26Mon
27Tue3:172.92:484.28:092.210:491.26:297:29Third Quarter27Tue
28Wed5:342.84:054.19:262.56:297:28Third Quarter28Wed
29Thu7:083.05:234.212:151.011:14 AM2.66:307:26Third Quarter29Thu
30Fri7:513.36:234.41:120.812:312.56:317:25Waning Crescent30Fri
31Sat8:193.57:104.61:530.51:202.26:317:24Waning Crescent31Sat
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 5:33 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 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