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

TIDE TIMES for Thursday, July 16, 2026
The tide is currently falling in Prisoners Harbor, Santa Cruz Island, CA.
Next low tide : in 23m at 5:59 am (-1.3 ft)
Next high tide : 12:32 pm (4.3 ft)
Sunset today : 8:10 pm
Sunrise tomorrow : 5:59 am
Moon phase : Waxing Crescent (8% illuminated)
Tide Station Location : Station #9410971
Common Questions About Tides

Prisoners Harbor, Santa Cruz Island, CA Tides - Sep 1986

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:413.98:335.63:08-0.12:302.46:327:25Waning Crescent1Mon
2Tue10:004.19:075.83:34-0.33:032.06:327:23New Moon2Tue
3Wed10:204.39:425.83:59-0.33:371.76:337:22New Moon3Wed
4Thu10:424.610:175.64:24-0.24:131.46:347:21New Moon4Thu
5Fri11:064.810:565.24:490.04:531.16:357:19New Moon5Fri
6Sat11:325.011:394.75:140.45:381.06:357:18Waxing Crescent6Sat
7Sun12:025.25:400.96:300.96:367:16Waxing Crescent7Sun
8Mon12:294.112:375.36:071.57:330.96:377:15Waxing Crescent8Mon
9Tue1:343.41:205.26:342.18:550.96:377:14First Quarter9Tue
10Wed3:222.92:215.17:062.610:360.76:387:12First Quarter10Wed
11Thu6:243.03:475.18:083.26:397:11First Quarter11Thu
12Fri7:373.45:205.212:040.210:50 AM3.36:397:10First Quarter12Fri
13Sat8:093.86:345.51:07-0.212:283.06:407:08Waxing Gibbous13Sat
14Sun8:384.17:335.81:55-0.61:292.46:417:07Waxing Gibbous14Sun
15Mon9:064.48:236.02:36-0.72:181.96:417:05Waxing Gibbous15Mon
16Tue9:334.79:075.93:11-0.73:011.46:427:04Full Moon16Tue
17Wed10:005.09:485.73:43-0.53:421.06:437:03Full Moon17Wed
18Thu10:265.210:285.34:13-0.14:220.76:447:01Full Moon18Thu
19Fri10:525.311:074.84:400.45:020.66:447:00Full Moon19Fri
20Sat11:175.311:484.25:040.95:420.76:456:58Waning Gibbous20Sat
21Sun11:425.25:261.56:250.86:466:57Waning Gibbous21Sun
22Mon12:343.712:085.05:452.17:151.06:466:56Waning Gibbous22Mon
23Tue1:353.112:364.85:562.68:221.26:476:54Waning Gibbous23Tue
24Wed3:572.81:134.55:203.010:021.36:486:53Third Quarter24Wed
25Thu2:224.211:441.26:486:51Third Quarter25Thu
26Fri8:523.54:234.110:393.86:496:50Third Quarter26Fri
27Sat8:223.75:514.412:450.812:253.46:506:49Third Quarter27Sat
28Sun8:273.96:474.71:250.51:083.06:516:47Waning Crescent28Sun
29Mon8:384.17:305.01:560.31:412.56:516:46Waning Crescent29Mon
30Tue8:524.48:095.22:220.12:142.06:526:44Waning Crescent30Tue
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 9:15 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 Prisoners Harbor, Santa Cruz Island, CA?

Prisoners Harbor, Santa Cruz Island, CA is currently in a spring phase. Tonight's moon is 8% 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 maximum.

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 Waxing Crescent (8% illuminated). This places Prisoners Harbor, Santa Cruz Island, CA in a spring tide cycle, so tidal ranges are near their weekly maximum 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