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

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Prisoners Harbor, Santa Cruz Island, CA.
Next low tide : 11:05 pm (1.9 ft)
Next high tide : in 2h 00m at 4:42 pm (4.5 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 5:47 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9410971
Common Questions About Tides

Prisoners Harbor, Santa Cruz Island, CA Tides - Nov 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:445.74:312.15:53-0.27:186:06Waning Gibbous1Sat
2Sun12:273.710:17 AM5.44:042.55:370.16:195:05Waning Gibbous2Sun
3Mon12:243.410:53 AM5.04:382.86:260.56:205:04Waning Gibbous3Mon
4Tue1:373.311:34 AM4.65:223.17:240.86:215:03Waning Gibbous4Tue
5Wed3:063.412:304.26:383.38:281.06:225:02Third Quarter5Wed
6Thu4:183.61:523.88:453.39:311.16:225:01Third Quarter6Thu
7Fri5:013.83:273.610:263.010:251.26:235:00Third Quarter7Fri
8Sat5:304.14:463.611:272.411:071.36:245:00Third Quarter8Sat
9Sun5:544.55:473.712:101.86:254:59Waning Crescent9Sun
10Mon6:184.86:373.812:471.26:264:58Waning Crescent10Mon
11Tue6:435.27:223.912:161.41:220.66:274:57Waning Crescent11Tue
12Wed7:105.68:064.012:471.51:570.06:284:57Waning Crescent12Wed
13Thu7:395.98:494.01:201.62:35-0.56:294:56New Moon13Thu
14Fri8:126.29:354.01:531.73:15-0.86:304:55New Moon14Fri
15Sat8:496.310:233.92:291.83:58-1.06:314:55New Moon15Sat
16Sun9:296.311:163.83:092.04:44-1.06:324:54Waxing Crescent16Sun
17Mon10:136.13:532.25:35-0.86:334:54Waxing Crescent17Mon
18Tue12:153.711:03 AM5.74:462.56:30-0.56:344:53Waxing Crescent18Tue
19Wed1:223.812:035.25:562.77:31-0.26:354:53Waxing Crescent19Wed
20Thu2:324.01:184.67:292.88:340.26:364:52First Quarter20Thu
21Fri3:374.32:494.29:152.59:360.56:364:52First Quarter21Fri
22Sat4:314.74:203.910:441.910:330.86:374:51First Quarter22Sat
23Sun5:175.15:403.811:511.111:241.16:384:51Waxing Gibbous23Sun
24Mon5:585.56:453.812:440.56:394:51Waxing Gibbous24Mon
25Tue6:355.87:413.912:091.31:30-0.16:404:50Waxing Gibbous25Tue
26Wed7:116.08:293.912:501.62:11-0.56:414:50Waxing Gibbous26Wed
27Thu7:446.19:133.81:271.82:49-0.76:424:50Full Moon27Thu
28Fri8:176.09:543.82:022.03:25-0.76:434:50Full Moon28Fri
29Sat8:495.910:353.72:362.24:01-0.66:444:49Full Moon29Sat
30Sun9:215.711:163.63:092.34:37-0.56:454:49Full Moon30Sun
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 7:53 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 neap phase. Tonight's moon is 49% 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 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 (49% illuminated). This places Prisoners Harbor, Santa Cruz 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