Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Saturday, August 15, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide : 6:15 pm (1.0 ft)
Next high tide : in 2h 16m at 12:08 pm (4.6 ft)
Sunset today : 7:43 pm
Sunrise tomorrow : 6:20 am
Moon phase : Waxing Crescent (12% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Jun 2003

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:012.95:29-0.54:112.25:498:02New Moon1Sun
2Mon12:522.96:08-0.54:412.45:498:02Waxing Crescent2Mon
3Tue1:522.86:52-0.45:172.55:498:03Waxing Crescent3Tue
4Wed3:002.97:40-0.26:092.75:488:03Waxing Crescent4Wed
5Thu12:224.54:023.18:32-0.17:362.85:488:04Waxing Crescent5Thu
6Fri1:224.24:483.49:250.09:302.75:488:04First Quarter6Fri
7Sat2:403.85:233.710:180.211:082.25:488:05First Quarter7Sat
8Sun4:103.55:564.211:080.45:488:05First Quarter8Sun
9Mon5:373.46:304.712:211.511:55 AM0.65:488:06Waxing Gibbous9Mon
10Tue6:543.37:055.21:190.712:400.95:488:06Waxing Gibbous10Tue
11Wed8:023.47:435.72:11-0.11:241.15:488:07Waxing Gibbous11Wed
12Thu9:033.48:236.03:00-0.82:081.45:488:07Waxing Gibbous12Thu
13Fri10:013.59:056.23:47-1.22:531.65:488:08Full Moon13Fri
14Sat10:553.59:486.24:35-1.53:381.85:488:08Full Moon14Sat
15Sun11:503.410:346.05:23-1.54:261.95:488:08Full Moon15Sun
16Mon12:463.46:12-1.45:172.15:488:09Waning Gibbous16Mon
17Tue1:433.47:02-1.06:142.35:488:09Waning Gibbous17Tue
18Wed12:115.12:433.47:53-0.67:232.45:488:09Waning Gibbous18Wed
19Thu1:064.53:433.68:45-0.28:482.55:488:09Third Quarter19Thu
20Fri2:083.94:373.89:370.210:252.35:488:10Third Quarter20Fri
21Sat3:253.45:224.010:270.711:531.95:498:10Third Quarter21Sat
22Sun4:533.06:004.211:131.05:498:10Third Quarter22Sun
23Mon6:182.86:324.412:591.411:56 AM1.45:498:10Waning Crescent23Mon
24Tue7:312.87:014.71:480.912:351.75:498:10Waning Crescent24Tue
25Wed8:302.97:304.92:280.51:111.95:508:11Waning Crescent25Wed
26Thu9:183.08:005.13:030.11:462.05:508:11Waning Crescent26Thu
27Fri9:593.08:315.23:36-0.22:202.15:508:11New Moon27Fri
28Sat10:373.19:035.34:09-0.42:552.25:518:11New Moon28Sat
29Sun11:143.19:375.44:43-0.63:292.25:518:11New Moon29Sun
30Mon11:523.110:135.45:18-0.74:062.35:518:11New Moon30Mon
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 3:11 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 spring phase. Tonight's moon is 12% 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 (12% 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