Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Thursday, July 30, 2026
The tide is currently rising in San Nicolas Island, CA.
Next low tide : 4:30 pm (1.9 ft)
Next high tide : in 2h 04m at 11:26 am (3.7 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 6:09 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Aug 2084

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:493.79:515.34:35-0.33:571.86:127:56New Moon1Tue
2Wed11:123.810:225.14:59-0.24:311.76:127:55New Moon2Wed
3Thu11:363.910:554.85:23-0.15:081.66:137:54Waxing Crescent3Thu
4Fri12:014.15:470.25:481.66:147:54Waxing Crescent4Fri
5Sat12:284.26:100.56:351.56:147:53Waxing Crescent5Sat
6Sun12:093.912:594.36:340.97:321.56:157:52Waxing Crescent6Sun
7Mon12:573.31:374.46:591.38:481.46:167:51First Quarter7Mon
8Tue2:102.82:284.57:271.710:261.26:167:50First Quarter8Tue
9Wed4:192.43:354.78:072.111:590.76:177:49First Quarter9Wed
10Thu6:482.64:534.99:362.56:187:48First Quarter10Thu
11Fri7:492.96:055.31:050.111:32 AM2.56:187:47Waxing Gibbous11Fri
12Sat8:263.37:065.71:56-0.412:532.36:197:46Waxing Gibbous12Sat
13Sun8:593.67:596.02:39-0.81:541.96:207:45Waxing Gibbous13Sun
14Mon9:314.08:496.13:19-1.02:461.56:217:43Full Moon14Mon
15Tue10:044.39:356.03:56-1.13:361.16:217:42Full Moon15Tue
16Wed10:384.610:215.74:33-0.94:250.86:227:41Full Moon16Wed
17Thu11:134.811:075.25:07-0.55:140.76:237:40Waning Gibbous17Thu
18Fri11:484.911:554.55:410.06:050.76:237:39Waning Gibbous18Fri
19Sat12:254.96:140.67:000.86:247:38Waning Gibbous19Sat
20Sun12:483.81:044.86:461.28:061.06:257:37Waning Gibbous20Sun
21Mon1:543.11:494.67:171.89:301.16:257:35Third Quarter21Mon
22Tue3:442.72:484.47:512.311:131.06:267:34Third Quarter22Tue
23Wed6:472.74:074.38:572.76:277:33Third Quarter23Wed
24Thu7:593.05:294.312:370.811:18 AM2.86:277:32Third Quarter24Thu
25Fri8:263.36:314.51:330.512:412.76:287:31Waning Crescent25Fri
26Sat8:473.47:184.72:120.31:302.46:297:29Waning Crescent26Sat
27Sun9:053.67:564.92:430.12:072.16:297:28Waning Crescent27Sun
28Mon9:233.88:305.13:090.02:391.86:307:27Waning Crescent28Mon
29Tue9:414.09:025.13:320.03:111.56:317:25New Moon29Tue
30Wed10:004.29:345.03:550.03:431.36:317:24New Moon30Wed
31Thu10:204.410:074.84:170.24:171.16:327:23New Moon31Thu
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 1:58 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 99% 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 Full Moon (99% 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