Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Saturday, August 22, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide : 12:34 pm (2.9 ft)
Next high tide : in 5h 25m at 8:53 am (3.2 ft)
Sunset today : 7:35 pm
Sunrise tomorrow : 6:25 am
Moon phase : Waxing Gibbous (74% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Aug 1993

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:163.89:265.54:03-0.63:291.76:117:57Full Moon1Sun
2Mon10:443.910:015.34:34-0.54:061.66:117:56Full Moon2Mon
3Tue11:114.010:345.05:02-0.34:421.56:127:55Full Moon3Tue
4Wed11:384.111:074.75:290.05:191.56:137:54Waning Gibbous4Wed
5Thu12:054.15:550.35:581.56:137:53Waning Gibbous5Thu
6Fri12:344.16:190.76:421.66:147:53Waning Gibbous6Fri
7Sat12:173.71:054.16:431.17:341.76:157:52Waning Gibbous7Sat
8Sun1:003.21:424.17:071.58:451.76:157:51Third Quarter8Sun
9Mon2:022.72:304.17:311.910:241.66:167:50Third Quarter9Mon
10Tue4:112.43:334.18:012.26:177:49Third Quarter10Tue
11Wed7:032.54:464.312:011.39:21 AM2.56:187:48Third Quarter11Wed
12Thu7:532.85:514.61:030.811:19 AM2.66:187:47Waning Crescent12Thu
13Fri8:193.16:455.01:450.412:342.46:197:46Waning Crescent13Fri
14Sat8:443.47:325.42:21-0.11:292.16:207:44Waning Crescent14Sat
15Sun9:103.78:175.72:55-0.42:161.76:207:43Waning Crescent15Sun
16Mon9:384.09:005.93:28-0.63:021.36:217:42New Moon16Mon
17Tue10:094.49:445.84:02-0.73:481.06:227:41New Moon17Tue
18Wed10:414.710:305.54:36-0.64:350.76:227:40New Moon18Wed
19Thu11:174.911:185.15:10-0.35:260.66:237:39Waxing Crescent19Thu
20Fri11:565.15:460.16:210.56:247:38Waxing Crescent20Fri
21Sat12:114.412:395.16:230.67:250.66:257:36Waxing Crescent21Sat
22Sun1:123.71:285.07:031.28:410.76:257:35First Quarter22Sun
23Mon2:343.12:294.97:501.810:130.76:267:34First Quarter23Mon
24Tue4:312.93:454.88:592.211:440.56:277:33First Quarter24Tue
25Wed6:253.05:074.810:422.56:277:32First Quarter25Wed
26Thu7:323.36:184.912:550.212:142.46:287:30Waxing Gibbous26Thu
27Fri8:143.67:145.11:48-0.11:192.16:297:29Waxing Gibbous27Fri
28Sat8:473.98:005.22:29-0.22:071.86:297:28Waxing Gibbous28Sat
29Sun9:144.08:395.23:04-0.22:461.66:307:27Waxing Gibbous29Sun
30Mon9:394.29:145.13:33-0.13:211.36:317:25Full Moon30Mon
31Tue10:014.39:464.93:590.13:531.26:317:24Full Moon31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410068)

Common Questions About San Nicolas Island, CA Tides

Show All
What time does the tide turn (slack tide) in San Nicolas Island, CA today?

Slack tide in San Nicolas Island, CA is approximately 10:43 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 transitional phase. Tonight's moon is 74% 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 shifting between spring and neap.

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 Gibbous (74% illuminated). This places San Nicolas Island, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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