Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Sunday, August 16, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide (tomorrow) : 6:54 am (1.2 ft)
Next high tide (tomorrow) : in 4h 23m at 12:49 am (3.8 ft)
Sunset today : 7:42 pm
Sunrise tomorrow : 6:21 am
Moon phase : Waxing Crescent (19% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Nov 2000

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:273.011:18 AM4.35:042.77:350.76:175:06Waxing Crescent1Wed
2Thu3:353.112:083.95:503.08:510.86:175:05First Quarter2Thu
3Fri5:053.31:373.68:373.210:020.86:185:04First Quarter3Fri
4Sat5:353.63:243.610:432.910:570.86:195:03First Quarter4Sat
5Sun5:563.84:413.611:392.511:380.76:205:02First Quarter5Sun
6Mon6:164.15:373.812:172.06:215:01Waxing Gibbous6Mon
7Tue6:364.46:243.912:130.712:511.56:225:01Waxing Gibbous7Tue
8Wed6:574.77:074.112:430.71:240.96:235:00Waxing Gibbous8Wed
9Thu7:205.07:494.11:120.81:590.46:244:59Waxing Gibbous9Thu
10Fri7:465.48:324.11:410.92:350.06:254:58Full Moon10Fri
11Sat8:155.69:174.02:121.13:14-0.46:264:58Full Moon11Sat
12Sun8:485.810:073.82:441.33:57-0.66:264:57Full Moon12Sun
13Mon9:245.811:033.63:191.64:44-0.76:274:56Waning Gibbous13Mon
14Tue10:055.73:581.95:37-0.66:284:56Waning Gibbous14Tue
15Wed12:093.410:52 AM5.44:442.26:38-0.46:294:55Waning Gibbous15Wed
16Thu1:303.311:51 AM5.05:472.67:46-0.26:304:55Waning Gibbous16Thu
17Fri2:573.51:064.57:232.78:580.06:314:54Third Quarter17Fri
18Sat4:083.82:384.29:182.610:050.16:324:54Third Quarter18Sat
19Sun4:594.24:074.010:492.111:020.26:334:53Third Quarter19Sun
20Mon5:404.65:224.011:551.411:500.46:344:53Waning Crescent20Mon
21Tue6:164.96:254.012:470.86:354:52Waning Crescent21Tue
22Wed6:485.27:184.012:310.61:320.36:364:52Waning Crescent22Wed
23Thu7:195.48:073.91:080.92:13-0.16:374:52Waning Crescent23Thu
24Fri7:485.58:523.81:411.22:51-0.46:374:51New Moon24Fri
25Sat8:165.69:353.62:121.43:27-0.56:384:51New Moon25Sat
26Sun8:445.510:183.52:411.74:03-0.56:394:51New Moon26Sun
27Mon9:135.311:033.33:092.04:40-0.46:404:51New Moon27Mon
28Tue9:425.111:543.23:382.25:20-0.26:414:50Waxing Crescent28Tue
29Wed10:134.84:092.46:030.16:424:50Waxing Crescent29Wed
30Thu12:563.110:48 AM4.54:452.76:510.36:434:50Waxing Crescent30Thu
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 3:51 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 19% 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 (19% 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