Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Thursday, July 30, 2026
The tide is currently falling in San Nicolas Island, CA.
Next low tide : in 6h 47m at 5:12 am (-0.5 ft)
Next high tide : 11:26 am (3.7 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 6:09 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Mar 2083

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon7:034.98:293.61:111.72:16-0.76:255:55Waxing Gibbous1Mon
2Tue7:425.18:503.91:491.32:42-0.76:235:55Full Moon2Tue
3Wed8:215.29:134.22:270.93:09-0.76:225:56Full Moon3Wed
4Thu9:015.09:404.63:080.53:36-0.56:215:57Full Moon4Thu
5Fri9:444.610:104.83:510.24:05-0.16:205:58Full Moon5Fri
6Sat10:304.110:435.04:390.04:340.46:195:59Waning Gibbous6Sat
7Sun11:233.511:215.05:32-0.15:040.96:175:59Waning Gibbous7Sun
8Mon12:302.86:350.05:351.46:166:00Waning Gibbous8Mon
9Tue12:084.82:152.47:550.16:121.96:156:01Third Quarter9Tue
10Wed1:104.65:012.59:340.17:272.46:136:02Third Quarter10Wed
11Thu2:394.46:212.811:04-0.210:052.56:126:02Third Quarter11Thu
12Fri4:154.46:573.212:09-0.56:116:03Waning Crescent12Fri
13Sat5:314.67:263.512:57-0.66:106:04Waning Crescent13Sat
14Sun7:294.88:533.812:411.72:36-0.77:087:05Waning Crescent14Sun
15Mon8:164.99:184.12:271.23:08-0.67:077:05Waning Crescent15Mon
16Tue8:574.89:414.33:070.83:37-0.47:067:06New Moon16Tue
17Wed9:344.610:044.53:430.54:02-0.27:047:07New Moon17Wed
18Thu10:104.310:264.64:180.34:260.27:037:08New Moon18Thu
19Fri10:444.010:474.64:520.24:470.67:027:09New Moon19Fri
20Sat11:203.611:104.65:270.25:060.97:007:09Waxing Crescent20Sat
21Sun11:583.111:334.56:030.25:241.36:597:10Waxing Crescent21Sun
22Mon12:432.76:440.45:371.76:587:11Waxing Crescent22Mon
23Tue12:004.31:492.37:360.65:392.06:567:11Waxing Crescent23Tue
24Wed12:324.18:500.86:557:12First Quarter24Wed
25Thu1:193.810:370.86:547:13First Quarter25Thu
26Fri2:473.68:222.812:030.66:527:14First Quarter26Fri
27Sat4:393.78:003.012:530.36:517:14First Quarter27Sat
28Sun5:553.98:063.312:232.41:290.06:507:15Waxing Gibbous28Sun
29Mon6:514.28:193.61:131.92:00-0.26:487:16Waxing Gibbous29Mon
30Tue7:384.58:384.11:541.42:28-0.36:477:17Waxing Gibbous30Tue
31Wed8:234.69:014.52:340.72:56-0.26:467:17Waxing Gibbous31Wed
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 8:19 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 100% 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 Full Moon (100% 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