Tides Today & Tomorrow in Prisoners Harbor, Santa Cruz Island, CA

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Prisoners Harbor, Santa Cruz Island, CA.
Next low tide : in 2h 53m at 8:51 am (0.0 ft)
Next high tide : 3:51 pm (4.3 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 5:47 am
Moon phase : First Quarter (38% illuminated)
Tide Station Location : Station #9410971
Common Questions About Tides

Prisoners Harbor, Santa Cruz Island, CA Tides - Sep 2029

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:084.46:327:24Third Quarter1Sat
2Sun8:133.25:314.612:351.011:07 AM3.36:337:22Third Quarter2Sun
3Mon8:183.56:315.01:190.612:263.06:347:21Waning Crescent3Mon
4Tue8:333.87:205.41:530.21:162.56:347:20Waning Crescent4Tue
5Wed8:524.18:045.72:24-0.11:592.06:357:18Waning Crescent5Wed
6Thu9:144.58:465.82:54-0.32:401.46:367:17New Moon6Thu
7Fri9:404.99:295.83:23-0.33:220.96:367:16New Moon7Fri
8Sat10:085.310:135.63:54-0.24:070.56:377:14New Moon8Sat
9Sun10:405.611:005.24:250.14:540.26:387:13New Moon9Sun
10Mon11:155.811:524.64:570.65:450.16:387:12Waxing Crescent10Mon
11Tue11:545.85:311.16:420.16:397:10Waxing Crescent11Tue
12Wed12:523.912:395.76:081.77:510.36:407:09Waxing Crescent12Wed
13Thu2:113.41:345.46:502.39:150.46:417:07First Quarter13Thu
14Fri4:063.12:495.27:532.810:480.46:417:06First Quarter14Fri
15Sat6:063.34:225.09:503.16:427:05First Quarter15Sat
16Sun7:103.75:475.112:060.211:42 AM2.96:437:03First Quarter16Sun
17Mon7:504.16:535.21:040.012:542.56:437:02Waxing Gibbous17Mon
18Tue8:214.47:445.31:49-0.11:452.06:447:00Waxing Gibbous18Tue
19Wed8:484.68:285.32:250.02:261.56:456:59Waxing Gibbous19Wed
20Thu9:134.89:065.22:560.23:031.26:456:58Full Moon20Thu
21Fri9:355.09:415.03:220.43:360.96:466:56Full Moon21Fri
22Sat9:565.210:144.73:460.74:080.76:476:55Full Moon22Sat
23Sun10:185.210:484.44:081.04:410.66:476:53Full Moon23Sun
24Mon10:405.211:234.04:291.45:140.66:486:52Waning Gibbous24Mon
25Tue11:035.24:491.85:510.76:496:51Waning Gibbous25Tue
26Wed12:023.711:29 AM5.15:082.16:330.96:506:49Waning Gibbous26Wed
27Thu12:513.311:58 AM4.95:252.57:271.16:506:48Waning Gibbous27Thu
28Fri2:062.912:354.75:342.88:421.36:516:46Waning Gibbous28Fri
29Sat1:324.410:171.26:526:45Third Quarter29Sat
30Sun3:064.311:331.06:526:44Third Quarter30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9410971)

Common Questions About Prisoners Harbor, Santa Cruz Island, CA Tides

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What time does the tide turn (slack tide) in Prisoners Harbor, Santa Cruz Island, CA today?

Slack tide in Prisoners Harbor, Santa Cruz Island, CA is approximately 12:21 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 Prisoners Harbor, Santa Cruz Island, CA?

Prisoners Harbor, Santa Cruz Island, CA is currently in a transitional phase. Tonight's moon is 38% 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 Prisoners Harbor, Santa Cruz 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 Prisoners Harbor, Santa Cruz Island, CA?

Tide predictions for Prisoners Harbor, Santa Cruz 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 Prisoners Harbor, Santa Cruz Island, CA?

Tide data for Prisoners Harbor, Santa Cruz Island, CA is sourced from NOAA Station #9410971. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9410971.

What is the moon phase in Prisoners Harbor, Santa Cruz Island, CA tonight?

Tonight the moon over Prisoners Harbor, Santa Cruz Island, CA is First Quarter (38% illuminated). This places Prisoners Harbor, Santa Cruz 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