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 6h 44m at 11:51 pm (1.4 ft)
Next high tide (tomorrow) : 5:38 am (2.7 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 - Dec 1984

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:184.44:243.511:302.310:480.96:394:45First Quarter1Sat
2Sun5:424.85:303.512:121.76:404:45Waxing Gibbous2Sun
3Mon6:065.16:243.512:481.16:414:45Waxing Gibbous3Mon
4Tue6:305.47:123.61:180.56:414:45Waxing Gibbous4Tue
5Wed6:545.77:543.612:181.51:540.16:424:45Waxing Gibbous5Wed
6Thu7:185.98:363.612:481.72:24-0.36:434:45Full Moon6Thu
7Fri7:426.19:183.51:181.93:00-0.66:444:45Full Moon7Fri
8Sat8:126.210:063.41:482.13:30-0.86:454:45Full Moon8Sat
9Sun8:426.210:543.32:122.24:12-0.86:454:46Full Moon9Sun
10Mon9:126.111:483.32:482.44:48-0.86:464:46Waning Gibbous10Mon
11Tue9:485.93:242.65:36-0.76:474:46Waning Gibbous11Tue
12Wed12:483.310:36 AM5.64:062.86:24-0.56:484:46Waning Gibbous12Wed
13Thu1:483.511:30 AM5.15:183.07:18-0.26:484:46Waning Gibbous13Thu
14Fri2:483.812:424.57:063.08:120.16:494:47Third Quarter14Fri
15Sat3:364.22:183.99:062.69:120.46:504:47Third Quarter15Sat
16Sun4:184.83:543.610:421.810:000.76:504:47Third Quarter16Sun
17Mon5:005.45:243.511:480.910:541.06:514:48Waning Crescent17Mon
18Tue5:365.96:363.512:360.06:514:48Waning Crescent18Tue
19Wed6:186.47:363.61:30-0.76:524:49Waning Crescent19Wed
20Thu6:546.78:303.612:241.62:12-1.26:524:49New Moon20Thu
21Fri7:366.99:243.61:061.83:00-1.56:534:50New Moon21Fri
22Sat8:126.810:123.61:482.03:42-1.56:534:50New Moon22Sat
23Sun8:546.611:063.52:302.24:24-1.36:544:51New Moon23Sun
24Mon9:306.211:543.53:062.45:06-1.06:544:51Waxing Crescent24Mon
25Tue10:065.73:482.65:42-0.66:554:52Waxing Crescent25Tue
26Wed12:483.510:48 AM5.24:362.86:24-0.26:554:52Waxing Crescent26Wed
27Thu1:423.511:30 AM4.65:362.97:060.26:554:53Waxing Crescent27Thu
28Fri2:363.712:183.97:003.07:480.66:564:54First Quarter28Fri
29Sat3:243.91:303.49:122.88:361.06:564:54First Quarter29Sat
30Sun4:004.23:122.910:482.39:241.36:564:55First Quarter30Sun
31Mon4:364.55:002.811:421.610:001.76:574:56First Quarter31Mon
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 2:44 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 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