Tides Today & Tomorrow in Avalon, Santa Catalina Island, CA

TIDE TIMES for Thursday, August 20, 2026
The tide is currently falling in Avalon, Santa Catalina Island, CA.
Next low tide (tomorrow) : in 37m at 11:15 pm (1.5 ft)
Next high tide : 3:55 pm (4.8 ft)
Sunset today : 7:34 pm
Sunrise tomorrow : 6:18 am
Moon phase : First Quarter (47% illuminated)
Tide Station Location : Station #9410079
Common Questions About Tides

Avalon, Santa Catalina Island, CA Tides - Jan 1935

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:305.77:323.11:04-0.36:574:56Waning Crescent1Tue
2Wed6:146.28:153.41:44-1.06:574:57Waning Crescent2Wed
3Thu6:576.68:553.612:242.12:24-1.46:574:57New Moon3Thu
4Fri7:416.89:353.81:142.03:04-1.76:574:58New Moon4Fri
5Sat8:246.910:153.92:031.93:43-1.86:574:59New Moon5Sat
6Sun9:096.710:564.12:541.84:23-1.66:575:00New Moon6Sun
7Mon9:566.311:394.33:471.85:02-1.36:575:01Waxing Crescent7Mon
8Tue10:455.64:441.85:41-0.76:575:01Waxing Crescent8Tue
9Wed12:254.511:40 AM4.75:511.86:20-0.16:575:02Waxing Crescent9Wed
10Thu1:144.712:473.77:141.77:010.66:575:03First Quarter10Thu
11Fri2:074.92:193.09:011.57:481.36:575:04First Quarter11Fri
12Sat3:055.14:212.610:400.98:471.86:575:05First Quarter12Sat
13Sun4:055.46:152.711:520.39:592.16:575:06Waxing Gibbous13Sun
14Mon5:035.67:233.012:47-0.26:575:07Waxing Gibbous14Mon
15Tue5:545.88:073.21:31-0.66:575:08Waxing Gibbous15Tue
16Wed6:395.98:413.412:092.32:09-0.96:575:09Waxing Gibbous16Wed
17Thu7:196.09:113.512:562.22:43-1.06:565:10Full Moon17Thu
18Fri7:556.09:393.61:372.13:13-1.06:565:10Full Moon18Fri
19Sat8:275.910:063.72:132.03:41-0.96:565:11Full Moon19Sat
20Sun8:585.710:333.82:481.94:05-0.76:555:12Full Moon20Sun
21Mon9:275.410:593.83:221.94:28-0.46:555:13Waning Gibbous21Mon
22Tue9:565.011:253.93:571.94:50-0.16:555:14Waning Gibbous22Tue
23Wed10:254.511:524.04:351.95:110.36:545:15Waning Gibbous23Wed
24Thu10:584.05:191.95:320.76:545:16Waning Gibbous24Thu
25Fri12:214.111:39 AM3.46:142.05:541.16:535:17Waning Gibbous25Fri
26Sat12:564.212:402.87:331.96:171.56:535:18Third Quarter26Sat
27Sun1:434.42:462.39:291.66:481.96:525:19Third Quarter27Sun
28Mon2:444.65:432.311:050.98:032.36:525:20Third Quarter28Mon
29Tue3:545.06:532.712:020.26:515:21Waning Crescent29Tue
30Wed4:595.47:293.112:47-0.56:505:22Waning Crescent30Wed
31Thu5:555.98:013.41:27-1.16:505:23Waning Crescent31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410079)

Common Questions About Avalon, Santa Catalina Island, CA Tides

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

Slack tide in Avalon, Santa Catalina Island, CA is approximately 7:35 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 Avalon, Santa Catalina Island, CA?

Avalon, Santa Catalina Island, CA is currently in a neap phase. Tonight's moon is 47% 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 Avalon, 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 Avalon, Santa Catalina Island, CA?

Tide predictions for Avalon, 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 Avalon, Santa Catalina Island, CA?

Tide data for Avalon, Santa Catalina Island, CA is sourced from NOAA Station #9410079. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9410079.

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

Tonight the moon over Avalon, Santa Catalina Island, CA is First Quarter (47% illuminated). This places Avalon, 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