Tides Today & Tomorrow in Santa Catalina Island, CA

TIDE TIMES for Thursday, August 20, 2026
The tide is currently rising in Santa Catalina Island, CA.
Next low tide (tomorrow) : 12:44 am (0.9 ft)
Next high tide : in 5h 37m at 4:06 pm (4.4 ft)
Sunset today : 7:34 pm
Sunrise tomorrow : 6:20 am
Moon phase : First Quarter (56% illuminated)
Tide Station Location : Station #9410092
Common Questions About Tides

Santa Catalina Island, CA Tides - Sep 1938

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:553.02:384.47:412.710:431.15:276:20First Quarter1Thu
2Fri5:523.24:024.59:382.911:490.85:286:18First Quarter2Fri
3Sat6:413.55:104.611:112.85:296:17Waxing Gibbous3Sat
4Sun7:103.76:004.812:340.612:052.55:296:16Waxing Gibbous4Sun
5Mon7:333.96:405.01:090.412:452.25:306:15Waxing Gibbous5Mon
6Tue7:534.17:155.21:380.31:181.95:316:13Waxing Gibbous6Tue
7Wed8:134.37:485.32:040.21:501.55:316:12Waxing Gibbous7Wed
8Thu8:344.68:215.22:280.22:221.35:326:10Full Moon8Thu
9Fri8:574.88:545.12:520.32:551.05:336:09Full Moon9Fri
10Sat9:215.09:294.93:160.53:310.85:336:08Full Moon10Sat
11Sun9:475.110:074.53:410.74:090.75:346:06Waning Gibbous11Sun
12Mon10:175.210:504.14:071.04:520.75:356:05Waning Gibbous12Mon
13Tue10:515.211:433.64:351.45:440.85:356:04Waning Gibbous13Tue
14Wed11:315.25:061.86:480.95:366:02Waning Gibbous14Wed
15Thu12:583.212:255.05:452.28:120.95:376:01Third Quarter15Thu
16Fri2:553.01:394.96:482.69:430.75:376:00Third Quarter16Fri
17Sat4:473.33:094.98:452.810:580.45:385:58Third Quarter17Sat
18Sun5:463.74:315.210:302.611:540.15:395:57Third Quarter18Sun
19Mon6:254.15:385.411:422.05:395:55Waning Crescent19Mon
20Tue7:004.66:345.612:39-0.212:371.55:405:54Waning Crescent20Tue
21Wed7:335.07:245.71:19-0.21:260.95:415:53Waning Crescent21Wed
22Thu8:055.48:105.61:55-0.22:110.45:415:51New Moon22Thu
23Fri8:375.68:555.42:300.02:550.15:425:50New Moon23Fri
24Sat9:105.89:405.03:030.43:380.05:435:49New Moon24Sat
25Sun9:425.710:254.53:350.84:220.05:435:47Waxing Crescent25Sun
26Mon10:155.611:144.04:071.35:080.25:445:46Waxing Crescent26Mon
27Tue10:505.34:381.85:590.55:455:44Waxing Crescent27Tue
28Wed12:123.511:28 AM5.05:092.27:000.85:455:43Waxing Crescent28Wed
29Thu1:333.212:154.65:452.78:171.15:465:42First Quarter29Thu
30Fri3:423.21:264.26:483.09:441.15:475:40First Quarter30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410092)

Common Questions About Santa Catalina Island, CA Tides

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What time does the tide turn (slack tide) in Santa Catalina Island, CA today?

Slack tide in Santa Catalina Island, CA is approximately 8:25 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 Santa Catalina Island, CA?

Santa Catalina Island, CA is currently in a neap phase. Tonight's moon is 56% 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 Santa Catalina 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 Santa Catalina Island, CA?

Tide predictions for Santa Catalina 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 Santa Catalina Island, CA?

Tide data for Santa Catalina Island, CA is sourced from NOAA Station #9410092. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9410092.

What is the moon phase in Santa Catalina Island, CA tonight?

Tonight the moon over Santa Catalina Island, CA is First Quarter (56% illuminated). This places Santa Catalina 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