Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Friday, July 17, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide : 6:41 am (-0.7 ft)
Next high tide (tomorrow) : in 56m at 11:31 pm (5.5 ft)
Sunset today : 8:07 pm
Sunrise tomorrow : 6:00 am
Moon phase : Waxing Crescent (8% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - May 2073

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon6:463.57:454.01:221.61:210.46:087:41Waning Crescent1Mon
2Tue7:363.68:094.22:021.21:550.56:077:41Waning Crescent2Tue
3Wed8:173.68:314.42:350.82:240.76:077:42Waning Crescent3Wed
4Thu8:553.68:534.63:060.52:500.86:067:43Waning Crescent4Thu
5Fri9:303.69:164.83:360.23:150.96:057:44New Moon5Fri
6Sat10:063.59:404.94:070.03:401.16:047:44New Moon6Sat
7Sun10:433.410:064.94:39-0.24:061.36:037:45New Moon7Sun
8Mon11:233.310:354.95:14-0.34:331.56:027:46New Moon8Mon
9Tue12:093.15:52-0.35:021.86:017:47Waxing Crescent9Tue
10Wed1:033.06:35-0.25:362.06:017:47Waxing Crescent10Wed
11Thu2:102.97:24-0.16:202.36:007:48Waxing Crescent11Thu
12Fri12:284.43:322.98:220.07:312.55:597:49Waxing Crescent12Fri
13Sat1:284.14:463.29:280.19:212.55:587:50First Quarter13Sat
14Sun2:493.95:383.510:340.111:062.25:587:50First Quarter14Sun
15Mon4:213.76:194.011:340.15:577:51First Quarter15Mon
16Tue5:443.76:564.412:211.612:250.25:567:52Waxing Gibbous16Tue
17Wed6:543.87:324.91:190.91:120.25:567:52Waxing Gibbous17Wed
18Thu7:553.98:085.32:090.21:550.45:557:53Waxing Gibbous18Thu
19Fri8:504.08:455.72:57-0.42:360.55:547:54Full Moon19Fri
20Sat9:434.09:235.83:43-0.93:170.85:547:55Full Moon20Sat
21Sun10:353.910:025.84:29-1.23:581.15:537:55Full Moon21Sun
22Mon11:283.710:425.65:15-1.24:401.45:537:56Full Moon22Mon
23Tue12:243.56:03-1.15:241.75:527:57Waning Gibbous23Tue
24Wed1:243.46:52-0.86:132.15:527:57Waning Gibbous24Wed
25Thu12:094.82:313.37:45-0.57:132.35:517:58Waning Gibbous25Thu
26Fri12:594.33:453.38:42-0.18:352.55:517:59Third Quarter26Fri
27Sat2:003.84:523.59:420.310:192.45:507:59Third Quarter27Sat
28Sun3:193.45:453.710:420.511:502.15:508:00Third Quarter28Sun
29Mon4:473.26:243.911:360.75:508:01Third Quarter29Mon
30Tue6:043.16:554.212:531.712:210.95:498:01Third Quarter30Tue
31Wed7:063.17:224.41:391.312:591.15:498:02Waning Crescent31Wed
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 3:06 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 8% 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 Waxing Crescent (8% 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