Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Thursday, August 6, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide (tomorrow) : 12:19 am (0.5 ft)
Next high tide : in 2h 23m at 3:59 pm (4.8 ft)
Sunset today : 7:53 pm
Sunrise tomorrow : 6:14 am
Moon phase : Third Quarter (42% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Sep 2018

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat1:333.21:544.37:231.79:151.36:327:23Third Quarter1Sat
2Sun3:102.92:584.48:122.110:521.16:337:22Third Quarter2Sun
3Mon5:232.84:164.69:362.46:337:20Third Quarter3Mon
4Tue6:513.15:314.912:120.611:17 AM2.46:347:19Third Quarter4Tue
5Wed7:413.56:355.31:110.112:342.26:357:18Waning Crescent5Wed
6Thu8:203.97:305.61:59-0.41:331.86:357:16Waning Crescent6Thu
7Fri8:564.28:215.92:42-0.72:241.46:367:15Waning Crescent7Fri
8Sat9:314.59:085.93:22-0.83:121.06:377:14New Moon8Sat
9Sun10:064.89:545.84:00-0.73:580.76:377:12New Moon9Sun
10Mon10:414.910:405.44:37-0.54:450.56:387:11New Moon10Mon
11Tue11:175.011:274.95:13-0.15:330.56:397:09Waxing Crescent11Tue
12Wed11:544.95:490.56:240.66:397:08Waxing Crescent12Wed
13Thu12:184.312:334.86:241.07:210.86:407:07Waxing Crescent13Thu
14Fri1:163.71:164.57:011.68:291.06:407:05Waxing Crescent14Fri
15Sat2:363.22:094.37:452.29:551.16:417:04First Quarter15Sat
16Sun4:393.03:224.18:532.611:271.06:427:03First Quarter16Sun
17Mon6:373.24:484.010:512.86:427:01First Quarter17Mon
18Tue7:323.46:004.212:370.812:222.66:437:00First Quarter18Tue
19Wed8:043.66:534.41:260.61:152.46:446:59Waxing Gibbous19Wed
20Thu8:283.87:354.62:030.41:522.16:446:57Waxing Gibbous20Thu
21Fri8:494.08:104.82:340.32:241.86:456:56Waxing Gibbous21Fri
22Sat9:094.18:434.93:010.22:541.56:466:54Waxing Gibbous22Sat
23Sun9:304.39:164.93:270.23:241.26:466:53Full Moon23Sun
24Mon9:524.59:484.83:520.33:561.06:476:52Full Moon24Mon
25Tue10:164.710:234.64:160.54:290.86:486:50Full Moon25Tue
26Wed10:414.811:014.34:420.75:060.76:486:49Full Moon26Wed
27Thu11:094.811:434.05:081.05:480.66:496:48Waning Gibbous27Thu
28Fri11:414.85:361.36:360.76:506:46Waning Gibbous28Fri
29Sat12:363.512:194.86:061.87:370.76:516:45Waning Gibbous29Sat
30Sun1:493.11:084.66:442.28:560.86:516:44Third Quarter30Sun
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 8:09 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 neap phase. Tonight's moon is 42% 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 minimum.

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 Third Quarter (42% illuminated). This places San Nicolas Island, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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