Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Saturday, August 8, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide (tomorrow) : 2:15 am (-0.6 ft)
Next high tide : in 5h 25m at 6:21 pm (5.5 ft)
Sunset today : 7:51 pm
Sunrise tomorrow : 6:16 am
Moon phase : Waning Crescent (21% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Sep 2014

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:412.82:264.37:332.110:261.26:327:23First Quarter1Mon
2Tue4:492.73:464.48:492.411:490.86:337:22First Quarter2Tue
3Wed6:243.05:074.710:412.56:337:20First Quarter3Wed
4Thu7:153.46:145.012:490.412:082.26:347:19Waxing Gibbous4Thu
5Fri7:533.87:115.41:36-0.11:111.86:357:18Waxing Gibbous5Fri
6Sat8:284.28:035.62:18-0.42:041.36:357:16Waxing Gibbous6Sat
7Sun9:024.68:515.72:57-0.52:520.86:367:15Full Moon7Sun
8Mon9:385.09:385.73:35-0.53:400.46:377:14Full Moon8Mon
9Tue10:145.210:255.44:13-0.44:270.26:377:12Full Moon9Tue
10Wed10:515.311:144.94:500.05:160.16:387:11Waning Gibbous10Wed
11Thu11:315.35:270.46:080.26:397:10Waning Gibbous11Thu
12Fri12:064.312:125.26:061.07:050.46:397:08Waning Gibbous12Fri
13Sat1:063.812:594.96:471.58:120.76:407:07Waning Gibbous13Sat
14Sun2:233.31:544.67:362.09:340.96:407:05Third Quarter14Sun
15Mon4:123.13:074.38:492.511:050.96:417:04Third Quarter15Mon
16Tue6:023.24:344.210:372.66:427:03Third Quarter16Tue
17Wed7:053.55:504.212:200.812:072.56:427:01Third Quarter17Wed
18Thu7:443.76:464.41:130.61:052.26:437:00Waning Crescent18Thu
19Fri8:123.97:304.51:520.51:471.96:446:59Waning Crescent19Fri
20Sat8:354.18:074.62:240.52:211.66:446:57Waning Crescent20Sat
21Sun8:564.38:414.72:500.52:521.36:456:56Waning Crescent21Sun
22Mon9:174.49:134.73:140.53:221.06:466:54New Moon22Mon
23Tue9:384.69:454.63:380.63:530.86:466:53New Moon23Tue
24Wed10:014.710:184.44:010.74:260.76:476:52New Moon24Wed
25Thu10:254.810:544.24:250.95:000.66:486:50New Moon25Thu
26Fri10:524.911:343.84:491.25:390.66:486:49Waxing Crescent26Fri
27Sat11:224.85:151.56:230.66:496:48Waxing Crescent27Sat
28Sun12:213.511:57 AM4.85:441.87:170.76:506:46Waxing Crescent28Sun
29Mon1:243.112:414.66:182.18:270.86:516:45Waxing Crescent29Mon
30Tue2:562.91:444.47:092.59:510.86:516:44First Quarter30Tue
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 10:18 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 21% 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 Waning Crescent (21% 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