Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Monday, June 29, 2026
The tide is currently falling in San Nicolas Island, CA.
Next low tide : in 6h 18m at 4:39 am (-0.5 ft)
Next high tide : 11:11 am (3.1 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 5:51 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Oct 2051

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:294.58:204.72:190.32:331.16:526:42Waning Crescent1Sun
2Mon8:544.78:574.62:490.53:080.86:536:41Waning Crescent2Mon
3Tue9:174.89:314.53:160.63:400.66:536:40New Moon3Tue
4Wed9:394.910:044.33:400.84:110.56:546:38New Moon4Wed
5Thu10:024.910:384.14:031.14:420.46:556:37New Moon5Thu
6Fri10:254.911:133.84:251.35:160.56:556:36New Moon6Fri
7Sat10:504.811:533.54:481.65:520.56:566:34Waxing Crescent7Sat
8Sun11:174.75:121.96:340.76:576:33Waxing Crescent8Sun
9Mon12:413.211:48 AM4.55:362.27:250.96:586:32Waxing Crescent9Mon
10Tue1:483.012:274.36:042.58:311.06:586:30Waxing Crescent10Tue
11Wed3:342.91:244.16:482.79:511.06:596:29First Quarter11Wed
12Thu5:243.12:543.98:502.911:050.97:006:28First Quarter12Thu
13Fri6:113.44:324.011:002.77:016:27First Quarter13Fri
14Sat6:403.85:474.212:010.712:132.27:016:25First Quarter14Sat
15Sun7:084.26:464.412:450.51:041.67:026:24Waxing Gibbous15Sun
16Mon7:374.67:384.61:240.41:501.07:036:23Waxing Gibbous16Mon
17Tue8:085.18:284.82:020.32:340.37:046:22Waxing Gibbous17Tue
18Wed8:415.69:164.72:380.43:18-0.27:056:21Full Moon18Wed
19Thu9:175.910:064.63:150.54:04-0.67:056:19Full Moon19Thu
20Fri9:556.010:584.33:530.84:52-0.87:066:18Full Moon20Fri
21Sat10:366.011:544.04:331.15:42-0.77:076:17Waning Gibbous21Sat
22Sun11:205.85:161.56:38-0.57:086:16Waning Gibbous22Sun
23Mon12:583.712:105.46:051.97:39-0.27:096:15Waning Gibbous23Mon
24Tue2:153.51:084.97:082.38:500.17:096:14Third Quarter24Tue
25Wed3:453.52:234.48:372.610:060.37:106:13Third Quarter25Wed
26Thu5:073.73:534.110:262.511:170.57:116:12Third Quarter26Thu
27Fri6:064.05:204.011:562.17:126:11Third Quarter27Fri
28Sat6:494.36:284.012:150.612:581.77:136:10Waning Crescent28Sat
29Sun7:234.57:234.01:010.71:451.27:146:09Waning Crescent29Sun
30Mon7:514.78:074.01:380.92:230.97:146:08Waning Crescent30Mon
31Tue8:164.98:463.92:081.02:560.57:156:07Waning Crescent31Tue
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 7:55 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 99% 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 (99% 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