Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Thursday, August 6, 2026
The tide is currently falling in San Nicolas Island, CA.
Next low tide : in 1h 32m at 8:38 am (2.1 ft)
Next high tide : 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 - Feb 2099

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:234.88:122.91:25-0.56:525:30Waxing Gibbous1Sun
2Mon6:175.38:373.112:042.32:04-1.06:525:30Waxing Gibbous2Mon
3Tue7:075.79:053.41:002.02:42-1.46:515:31Waxing Gibbous3Tue
4Wed7:546.09:353.61:501.73:18-1.66:505:32Full Moon4Wed
5Thu8:406.110:073.92:391.33:55-1.66:495:33Full Moon5Thu
6Fri9:265.910:424.23:281.04:30-1.36:495:34Full Moon6Fri
7Sat10:125.411:184.44:190.85:06-0.96:485:35Waning Gibbous7Sat
8Sun11:024.711:584.55:140.75:40-0.36:475:36Waning Gibbous8Sun
9Mon11:573.96:160.76:150.46:465:37Waning Gibbous9Mon
10Tue12:414.61:063.07:310.86:501.16:455:38Third Quarter10Tue
11Wed1:314.52:572.49:040.77:301.86:445:39Third Quarter11Wed
12Thu2:344.45:482.410:470.48:402.36:435:40Third Quarter12Thu
13Fri3:504.47:212.812:080.06:425:41Third Quarter13Fri
14Sat5:064.58:003.01:04-0.36:415:42Waning Crescent14Sat
15Sun6:074.78:273.212:112.41:47-0.66:405:43Waning Crescent15Sun
16Mon6:554.88:493.41:042.22:22-0.76:395:43Waning Crescent16Mon
17Tue7:345.09:093.51:431.92:52-0.76:385:44Waning Crescent17Tue
18Wed8:085.09:293.62:151.63:17-0.76:375:45New Moon18Wed
19Thu8:385.09:483.72:451.43:41-0.56:365:46New Moon19Thu
20Fri9:084.810:073.83:151.24:02-0.36:355:47New Moon20Fri
21Sat9:374.610:283.93:471.14:23-0.16:345:48New Moon21Sat
22Sun10:074.210:494.04:201.04:420.26:335:49Waxing Crescent22Sun
23Mon10:393.711:124.14:571.05:000.66:325:50Waxing Crescent23Mon
24Tue11:153.211:374.15:381.05:161.06:305:50Waxing Crescent24Tue
25Wed12:002.76:301.05:271.46:295:51Waxing Crescent25Wed
26Thu12:084.11:202.17:431.15:261.86:285:52First Quarter26Thu
27Fri12:524.19:340.96:275:53First Quarter27Fri
28Sat2:044.111:170.56:265:54First Quarter28Sat
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 12:18 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 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