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 6h 54m 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 - Jan 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed2:443.612:573.67:472.98:140.97:045:00First Quarter1Wed
2Thu3:343.82:183.19:332.79:011.37:045:01First Quarter2Thu
3Fri4:174.14:042.811:022.29:491.67:045:01First Quarter3Fri
4Sat4:544.45:402.812:011.57:045:02First Quarter4Sat
5Sun5:284.76:502.912:440.97:045:03Waxing Gibbous5Sun
6Mon6:025.07:423.11:210.37:045:04Waxing Gibbous6Mon
7Tue6:365.48:253.312:072.21:56-0.37:045:05Waxing Gibbous7Tue
8Wed7:115.79:053.412:482.22:32-0.87:045:05Waxing Gibbous8Wed
9Thu7:496.09:433.51:292.23:09-1.27:045:06Full Moon9Thu
10Fri8:286.210:223.62:102.13:47-1.47:045:07Full Moon10Fri
11Sat9:106.311:023.72:532.14:27-1.57:045:08Full Moon11Sat
12Sun9:536.211:463.83:392.05:08-1.37:045:09Waning Gibbous12Sun
13Mon10:395.84:302.05:51-1.07:045:10Waning Gibbous13Mon
14Tue12:323.911:30 AM5.35:302.16:35-0.67:045:11Waning Gibbous14Tue
15Wed1:234.112:294.56:432.17:220.07:035:12Waning Gibbous15Wed
16Thu2:174.31:443.88:121.98:130.67:035:13Third Quarter16Thu
17Fri3:144.63:223.29:491.59:101.27:035:14Third Quarter17Fri
18Sat4:104.95:103.011:160.810:131.77:035:15Third Quarter18Sat
19Sun5:055.26:403.112:230.17:025:16Waning Crescent19Sun
20Mon5:555.57:453.31:16-0.57:025:17Waning Crescent20Mon
21Tue6:425.78:343.512:152.12:01-0.97:015:17Waning Crescent21Tue
22Wed7:255.89:153.61:062.12:41-1.17:015:18Waning Crescent22Wed
23Thu8:045.99:503.71:502.13:17-1.27:015:19New Moon23Thu
24Fri8:425.810:223.72:302.03:52-1.17:005:20New Moon24Fri
25Sat9:175.710:533.73:072.04:24-0.97:005:21New Moon25Sat
26Sun9:515.411:253.73:432.04:55-0.66:595:22New Moon26Sun
27Mon10:245.111:563.74:202.05:25-0.36:585:23Waxing Crescent27Mon
28Tue10:574.65:002.15:540.16:585:24Waxing Crescent28Tue
29Wed12:303.711:33 AM4.15:452.16:230.66:575:25Waxing Crescent29Wed
30Thu1:063.712:143.56:422.26:521.16:575:26Waxing Crescent30Thu
31Fri1:473.81:122.98:012.27:241.56:565:27First Quarter31Fri
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