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 8h 47m 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 - Feb 1939

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed6:295.98:083.712:141.81:48-1.06:505:24Waxing Gibbous1Wed
2Thu7:186.28:454.11:091.52:28-1.46:495:25Full Moon2Thu
3Fri8:056.49:224.42:001.13:07-1.56:495:26Full Moon3Fri
4Sat8:526.310:004.72:490.83:46-1.46:485:27Full Moon4Sat
5Sun9:386.010:404.83:390.64:24-1.16:475:28Full Moon5Sun
6Mon10:265.511:214.94:300.65:03-0.76:465:29Waning Gibbous6Mon
7Tue11:164.75:250.65:42-0.16:455:30Waning Gibbous7Tue
8Wed12:064.912:134.06:270.86:230.66:455:31Waning Gibbous8Wed
9Thu12:554.81:243.27:410.97:081.26:445:32Third Quarter9Thu
10Fri1:544.63:082.79:130.98:071.86:435:33Third Quarter10Fri
11Sat3:044.55:162.710:480.79:342.26:425:34Third Quarter11Sat
12Sun4:184.56:403.012:010.46:415:35Third Quarter12Sun
13Mon5:234.67:263.212:530.16:405:36Waning Crescent13Mon
14Tue6:144.87:583.412:092.11:32-0.26:395:37Waning Crescent14Tue
15Wed6:565.08:233.612:551.92:04-0.36:385:38Waning Crescent15Wed
16Thu7:315.18:463.81:311.72:32-0.46:375:39Waning Crescent16Thu
17Fri8:035.19:073.92:031.52:57-0.46:365:39New Moon17Fri
18Sat8:335.19:294.12:341.33:21-0.36:355:40New Moon18Sat
19Sun9:035.09:534.23:051.13:45-0.26:345:41New Moon19Sun
20Mon9:344.810:184.33:381.04:080.06:335:42New Moon20Mon
21Tue10:064.510:444.44:120.94:320.36:325:43Waxing Crescent21Tue
22Wed10:404.111:134.44:500.94:570.66:315:44Waxing Crescent22Wed
23Thu11:203.611:474.45:341.05:221.06:295:45Waxing Crescent23Thu
24Fri12:113.16:291.15:511.46:285:46Waxing Crescent24Fri
25Sat12:304.41:322.67:441.16:281.86:275:46First Quarter25Sat
26Sun1:284.43:512.49:210.97:362.16:265:47First Quarter26Sun
27Mon2:464.55:402.710:510.59:332.36:255:48First Quarter27Mon
28Tue4:084.76:313.111:540.011:072.16:245:49First Quarter28Tue
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