Tides Today & Tomorrow in San Nicolas Island, CA

TIDE TIMES for Sunday, August 2, 2026
The tide is currently falling in San Nicolas Island, CA.
Next low tide : in 5h 43m at 6:29 am (0.3 ft)
Next high tide : 12:48 pm (4.1 ft)
Sunset today : 7:56 pm
Sunrise tomorrow : 6:11 am
Moon phase : Waning Gibbous (83% illuminated)
Tide Station Location : Station #9410068
Common Questions About Tides

San Nicolas Island, CA Tides - Oct 2089

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:174.88:135.22:06-0.12:220.76:536:41Waning Crescent1Sat
2Sun8:515.29:025.22:45-0.13:080.36:536:40New Moon2Sun
3Mon9:255.49:495.03:220.13:52-0.16:546:38New Moon3Mon
4Tue9:595.610:354.73:580.44:37-0.26:556:37New Moon4Tue
5Wed10:355.611:244.34:330.75:22-0.26:556:36Waxing Crescent5Wed
6Thu11:115.45:081.26:100.06:566:35Waxing Crescent6Thu
7Fri12:163.911:49 AM5.15:451.67:030.36:576:33Waxing Crescent7Fri
8Sat1:173.512:314.76:242.18:040.66:586:32Waxing Crescent8Sat
9Sun2:383.21:224.37:132.59:180.86:586:31First Quarter9Sun
10Mon4:273.22:363.98:392.810:390.96:596:29First Quarter10Mon
11Tue5:563.44:113.810:482.811:480.97:006:28First Quarter11Tue
12Wed6:433.65:333.812:132.57:006:27First Quarter12Wed
13Thu7:143.96:323.912:380.81:032.17:016:26Waxing Gibbous13Thu
14Fri7:384.17:174.11:170.81:411.77:026:24Waxing Gibbous14Fri
15Sat8:004.37:564.21:480.82:131.37:036:23Waxing Gibbous15Sat
16Sun8:224.68:324.32:160.82:440.97:046:22Waxing Gibbous16Sun
17Mon8:444.89:084.32:420.83:150.67:046:21Full Moon17Mon
18Tue9:085.09:444.23:080.93:470.37:056:20Full Moon18Tue
19Wed9:345.210:224.13:351.14:220.17:066:19Full Moon19Wed
20Thu10:025.311:033.94:021.34:590.07:076:17Full Moon20Thu
21Fri10:345.311:513.64:321.55:410.07:086:16Waning Gibbous21Fri
22Sat11:105.25:041.86:300.07:086:15Waning Gibbous22Sat
23Sun12:483.411:52 AM5.15:432.17:270.27:096:14Waning Gibbous23Sun
24Mon2:023.212:454.86:352.48:350.37:106:13Waning Gibbous24Mon
25Tue3:343.31:574.57:582.69:500.47:116:12Third Quarter25Tue
26Wed4:553.53:284.29:542.611:010.47:126:11Third Quarter26Wed
27Thu5:513.94:584.211:302.27:126:10Third Quarter27Thu
28Fri6:344.46:134.312:000.312:381.67:136:09Waning Crescent28Fri
29Sat7:114.87:154.412:500.31:320.97:146:08Waning Crescent29Sat
30Sun7:475.28:094.51:330.42:200.37:156:07Waning Crescent30Sun
31Mon8:215.58:584.42:130.53:04-0.17:166:06New Moon31Mon
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 9:38 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 spring phase. Tonight's moon is 83% 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 Waning Gibbous (83% 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