Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Friday, August 7, 2026
The tide is currently falling in San Nicolas Island, CA.
Next low tide : in 14m at 10:08 am (2.5 ft)
Next high tide : 5:12 pm (5.1 ft)
Sunset today : 7:52 pm
Sunrise tomorrow : 6:15 am
Moon phase : Third Quarter (31% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Oct 2099

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:334.911:223.64:321.45:250.56:526:42Waning Gibbous1Thu
2Fri10:554.94:481.76:040.66:536:40Waning Gibbous2Fri
3Sat12:053.211:19 AM4.85:022.06:510.76:546:39Waning Gibbous3Sat
4Sun1:062.811:49 AM4.75:082.37:560.86:546:38Waning Gibbous4Sun
5Mon12:314.59:290.96:556:36Third Quarter5Mon
6Tue1:454.311:040.76:566:35Third Quarter6Tue
7Wed3:394.36:566:34Third Quarter7Wed
8Thu7:263.55:134.512:080.311:42 AM2.96:576:32Third Quarter8Thu
9Fri7:363.86:214.812:530.012:452.36:586:31Waning Crescent9Fri
10Sat7:544.37:175.01:31-0.11:341.66:596:30Waning Crescent10Sat
11Sun8:184.78:085.12:05-0.22:200.96:596:29Waning Crescent11Sun
12Mon8:455.28:585.02:38-0.13:050.27:006:27New Moon12Mon
13Tue9:145.79:474.83:110.23:51-0.37:016:26New Moon13Tue
14Wed9:465.910:394.43:430.64:38-0.67:026:25New Moon14Wed
15Thu10:206.011:353.94:151.15:28-0.77:026:24Waxing Crescent15Thu
16Fri10:575.94:491.66:22-0.67:036:23Waxing Crescent16Fri
17Sat12:403.411:38 AM5.65:232.17:24-0.37:046:21Waxing Crescent17Sat
18Sun2:053.112:255.15:592.68:380.07:056:20Waxing Crescent18Sun
19Mon4:153.11:294.66:533.010:030.37:066:19First Quarter19Mon
20Tue6:043.43:054.29:243.211:210.37:066:18First Quarter20Tue
21Wed6:463.74:464.111:372.97:076:17First Quarter21Wed
22Thu7:143.96:014.112:200.312:442.47:086:16First Quarter22Thu
23Fri7:374.16:564.21:040.41:281.97:096:15Waxing Gibbous23Fri
24Sat7:574.47:404.21:370.52:041.57:106:14Waxing Gibbous24Sat
25Sun8:144.68:184.12:040.72:361.17:106:12Waxing Gibbous25Sun
26Mon8:314.88:544.02:260.93:060.77:116:11Waxing Gibbous26Mon
27Tue8:495.09:303.92:471.13:350.47:126:10Full Moon27Tue
28Wed9:085.210:063.73:071.44:060.27:136:09Full Moon28Wed
29Thu9:295.310:453.53:271.64:390.07:146:08Full Moon29Thu
30Fri9:535.311:293.23:471.95:140.07:156:07Full Moon30Fri
31Sat10:195.34:072.15:550.07:166:07Waning Gibbous31Sat
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 1:40 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 31% 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 Third Quarter (31% 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