Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in San Nicolas Island, CA.
Next low tide : in 3h 34m at 9:08 pm (1.4 ft)
Next high tide (tomorrow) : 2:30 am (2.8 ft)
Sunset today : 7:54 pm
Sunrise tomorrow : 6:13 am
Moon phase : Third Quarter (64% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Aug 2095

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon11:443.710:435.35:26-0.64:501.96:117:57New Moon1Mon
2Tue12:153.75:57-0.35:281.96:127:56Waxing Crescent2Tue
3Wed12:463.76:260.16:101.96:127:55Waxing Crescent3Wed
4Thu1:193.86:550.46:572.06:137:54Waxing Crescent4Thu
5Fri12:314.01:533.87:220.97:552.06:147:53Waxing Crescent5Fri
6Sat1:153.52:323.87:501.39:132.06:157:52First Quarter6Sat
7Sun2:192.93:193.98:201.710:521.86:157:51First Quarter7Sun
8Mon4:112.64:154.18:582.16:167:50First Quarter8Mon
9Tue6:382.65:134.312:191.410:04 AM2.46:177:49First Quarter9Tue
10Wed7:572.86:084.61:180.811:32 AM2.56:177:48Waxing Gibbous10Wed
11Thu8:373.16:575.02:010.312:412.56:187:47Waxing Gibbous11Thu
12Fri9:073.37:425.42:39-0.11:342.36:197:46Waxing Gibbous12Fri
13Sat9:363.58:255.73:15-0.52:202.16:197:45Waxing Gibbous13Sat
14Sun10:053.79:086.03:50-0.83:041.86:207:44Full Moon14Sun
15Mon10:373.99:516.04:25-0.93:491.56:217:43Full Moon15Mon
16Tue11:104.210:355.85:01-0.94:361.36:227:42Full Moon16Tue
17Wed11:464.411:225.45:37-0.75:261.26:227:41Waning Gibbous17Wed
18Thu12:254.56:14-0.36:231.16:237:40Waning Gibbous18Thu
19Fri12:134.81:074.76:520.27:271.16:247:39Waning Gibbous19Fri
20Sat1:134.11:554.77:320.98:461.16:247:37Third Quarter20Sat
21Sun2:313.32:524.88:181.510:210.96:257:36Third Quarter21Sun
22Mon4:262.93:594.89:192.011:540.56:267:35Third Quarter22Mon
23Tue6:303.05:124.910:452.46:267:34Third Quarter23Tue
24Wed7:483.36:195.11:070.112:132.56:277:33Waning Crescent24Wed
25Thu8:363.57:165.22:01-0.21:212.36:287:31Waning Crescent25Thu
26Fri9:123.78:035.42:45-0.42:112.16:287:30Waning Crescent26Fri
27Sat9:423.98:445.43:22-0.52:521.96:297:29Waning Crescent27Sat
28Sun10:084.09:205.43:55-0.43:281.76:307:28New Moon28Sun
29Mon10:334.09:545.34:23-0.34:021.56:307:26New Moon29Mon
30Tue10:564.110:265.04:50-0.14:351.46:317:25New Moon30Tue
31Wed11:194.210:584.75:140.25:091.36:327:24New Moon31Wed
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 11:49 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 transitional phase. Tonight's moon is 64% 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 Third Quarter (64% 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