Tides Today & Tomorrow in Santa Catalina Island, CA

TIDE TIMES for Monday, August 17, 2026
The tide is currently falling in Santa Catalina Island, CA.
Next low tide : in 2h 03m at 6:50 am (1.3 ft)
Next high tide : 1:18 pm (4.8 ft)
Sunset today : 7:37 pm
Sunrise tomorrow : 6:18 am
Moon phase : Waxing Crescent (28% illuminated)
Tide Station Location : Station #9410092
Common Questions About Tides

Santa Catalina Island, CA Tides - Nov 1945

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu7:255.17:304.51:080.61:421.06:125:02Waning Crescent1Thu
2Fri7:465.28:064.41:340.82:140.66:135:01Waning Crescent2Fri
3Sat8:065.38:414.21:571.12:440.46:145:00New Moon3Sat
4Sun8:265.49:164.12:191.33:140.26:154:59New Moon4Sun
5Mon8:475.59:543.82:401.63:460.16:164:59New Moon5Mon
6Tue9:105.510:353.63:021.94:210.16:174:58New Moon6Tue
7Wed9:355.411:243.43:242.24:590.26:184:57Waxing Crescent7Wed
8Thu10:025.23:452.55:440.36:194:56Waxing Crescent8Thu
9Fri12:283.210:34 AM5.04:072.76:390.56:194:55Waxing Crescent9Fri
10Sat2:083.111:16 AM4.74:313.07:460.66:204:55Waxing Crescent10Sat
11Sun12:214.48:580.66:214:54First Quarter11Sun
12Mon4:533.62:004.28:423.310:010.56:224:53First Quarter12Mon
13Tue5:174.03:394.110:282.810:520.46:234:53First Quarter13Tue
14Wed5:414.44:564.311:292.111:360.36:244:52Waxing Gibbous14Wed
15Thu6:084.95:594.512:191.36:254:51Waxing Gibbous15Thu
16Fri6:375.46:554.612:160.41:040.56:264:51Waxing Gibbous16Fri
17Sat7:086.07:494.612:540.51:49-0.26:274:50Waxing Gibbous17Sat
18Sun7:436.48:424.51:310.72:35-0.86:284:50Full Moon18Sun
19Mon8:196.69:354.32:091.03:22-1.16:294:49Full Moon19Mon
20Tue8:586.710:324.12:481.44:11-1.36:304:49Full Moon20Tue
21Wed9:406.511:343.83:301.85:02-1.16:314:48Waning Gibbous21Wed
22Thu10:256.14:152.25:58-0.86:314:48Waning Gibbous22Thu
23Fri12:463.711:15 AM5.65:092.67:00-0.56:324:48Waning Gibbous23Fri
24Sat2:093.712:155.06:232.98:07-0.16:334:47Third Quarter24Sat
25Sun3:303.81:324.48:093.09:150.26:344:47Third Quarter25Sun
26Mon4:334.13:034.09:582.710:160.56:354:47Third Quarter26Mon
27Tue5:174.44:283.811:162.211:070.76:364:47Third Quarter27Tue
28Wed5:524.75:373.812:111.76:374:46Waning Crescent28Wed
29Thu6:204.96:323.712:541.26:384:46Waning Crescent29Thu
30Fri6:455.17:183.712:211.21:290.76:394:46Waning Crescent30Fri
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 10:04 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 Santa Catalina Island, CA?

Santa Catalina Island, CA is currently in a transitional phase. Tonight's moon is 28% 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 shifting between spring and neap.

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 Waxing Crescent (28% illuminated). This places Santa Catalina Island, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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