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

TIDE TIMES for Tuesday, July 21, 2026
The tide is currently falling in Avalon, Santa Catalina Island, CA.
Next low tide : in 2h 55m at 8:38 am (1.9 ft)
Next high tide : 4:03 pm (5.0 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 5:58 am
Moon phase : First Quarter (53% illuminated)
Tide Station Location : Station #9410079
Common Questions About Tides

Avalon, Santa Catalina Island, CA Tides - May 1985

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed7:124.57:555.31:211.01:26-0.26:047:35Waxing Gibbous1Wed
2Thu8:084.68:255.82:080.22:020.06:037:36Waxing Gibbous2Thu
3Fri9:014.58:576.22:55-0.62:370.36:027:37Full Moon3Fri
4Sat9:544.39:316.53:42-1.23:130.86:017:38Full Moon4Sat
5Sun10:493.910:076.54:30-1.53:481.26:007:38Full Moon5Sun
6Mon11:493.510:466.35:20-1.54:231.76:007:39Waning Gibbous6Mon
7Tue12:583.26:13-1.34:592.25:597:40Waning Gibbous7Tue
8Wed2:233.07:13-1.05:392.65:587:41Waning Gibbous8Wed
9Thu12:175.34:123.18:22-0.66:403.05:577:41Waning Gibbous9Thu
10Fri1:204.75:373.49:38-0.39:093.15:567:42Third Quarter10Fri
11Sat2:454.26:183.810:47-0.111:232.75:557:43Third Quarter11Sat
12Sun4:203.96:474.111:410.15:557:44Third Quarter12Sun
13Mon5:403.87:114.512:302.212:230.25:547:44Waning Crescent13Mon
14Tue6:433.77:334.81:171.612:570.55:537:45Waning Crescent14Tue
15Wed7:353.77:555.11:551.01:250.75:527:46Waning Crescent15Wed
16Thu8:203.78:175.32:300.51:511.05:527:47Waning Crescent16Thu
17Fri9:013.68:395.53:020.12:151.25:517:47Waning Crescent17Fri
18Sat9:413.59:015.63:34-0.22:381.55:507:48New Moon18Sat
19Sun10:223.49:235.74:05-0.53:021.85:507:49New Moon19Sun
20Mon11:043.29:475.64:38-0.63:252.05:497:49New Moon20Mon
21Tue11:523.110:145.65:12-0.63:482.35:497:50New Moon21Tue
22Wed12:482.95:51-0.54:092.55:487:51Waxing Crescent22Wed
23Thu1:582.96:34-0.44:332.75:477:52Waxing Crescent23Thu
24Fri7:24-0.35:477:52Waxing Crescent24Fri
25Sat12:074.94:283.38:20-0.26:523.25:477:53First Quarter25Sat
26Sun1:124.55:053.69:21-0.19:193.05:467:54First Quarter26Sun
27Mon2:404.25:364.110:170.011:072.45:467:54First Quarter27Mon
28Tue4:183.96:074.711:080.25:457:55First Quarter28Tue
29Wed5:463.86:405.312:171.611:53 AM0.45:457:55Waxing Gibbous29Wed
30Thu7:003.87:145.91:120.612:360.65:457:56Waxing Gibbous30Thu
31Fri8:043.87:506.42:02-0.31:171.05:447:57Waxing Gibbous31Fri
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 12:20 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 Avalon, Santa Catalina Island, CA?

Avalon, Santa Catalina Island, CA is currently in a neap phase. Tonight's moon is 53% 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 (53% 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