Tides Today & Tomorrow in Captiva Island (outside), FL

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in Captiva Island (outside), FL.
Next low tide : in 8h 45m at 2:39 pm (0.6 ft)
Next high tide (tomorrow) : 7:21 am (2.3 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 7:03 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8725383
Common Questions About Tides

Captiva Island (outside), FL Tides - May 1920

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:132.011:28 AM2.35:330.96:12-0.16:508:00Full Moon1Sat
2Sun12:542.011:50 AM2.36:081.06:49-0.16:508:01Full Moon2Sun
3Mon1:371.912:112.36:421.07:28-0.26:498:01Full Moon3Mon
4Tue2:221.812:362.37:151.18:08-0.16:488:02Full Moon4Tue
5Wed3:071.81:042.37:491.28:48-0.16:478:02Waning Gibbous5Wed
6Thu3:501.71:392.28:221.29:280.16:478:03Waning Gibbous6Thu
7Fri4:331.62:202.18:561.310:100.26:468:03Waning Gibbous7Fri
8Sat5:251.63:072.19:321.310:570.36:458:04Waning Gibbous8Sat
9Sun6:291.63:581.910:251.411:580.56:458:05Third Quarter9Sun
10Mon7:191.65:011.812:241.36:448:05Third Quarter10Mon
11Tue7:531.76:411.71:010.61:371.16:438:06Third Quarter11Tue
12Wed8:191.88:211.71:520.72:320.86:438:06Third Quarter12Wed
13Thu8:462.09:521.82:380.83:240.56:428:07Waning Crescent13Thu
14Fri9:182.110:581.93:240.94:160.26:428:07Waning Crescent14Fri
15Sat9:562.311:492.04:120.95:05-0.16:418:08Waning Crescent15Sat
16Sun10:362.54:581.05:51-0.46:418:08New Moon16Sun
17Mon12:372.011:15 AM2.75:391.16:37-0.66:408:09New Moon17Mon
18Tue1:282.011:55 AM2.76:201.17:26-0.66:408:09New Moon18Tue
19Wed2:252.012:382.87:031.28:17-0.66:398:10New Moon19Wed
20Thu3:201.91:262.77:551.29:08-0.56:398:11Waxing Crescent20Thu
21Fri4:121.92:232.58:531.29:59-0.36:388:11Waxing Crescent21Fri
22Sat5:041.93:252.39:541.210:520.06:388:12Waxing Crescent22Sat
23Sun6:011.94:332.111:071.211:520.36:378:12First Quarter23Sun
24Mon6:561.96:171.812:361.06:378:13First Quarter24Mon
25Tue7:432.07:581.712:550.51:490.86:378:13First Quarter25Tue
26Wed8:252.19:211.71:490.72:490.66:368:14First Quarter26Wed
27Thu9:052.210:351.82:370.93:440.36:368:14Waxing Gibbous27Thu
28Fri9:442.211:281.83:251.04:340.16:368:15Waxing Gibbous28Fri
29Sat10:202.34:131.15:170.06:368:15Waxing Gibbous29Sat
30Sun12:101.810:51 AM2.34:581.25:55-0.16:358:16Waxing Gibbous30Sun
31Mon12:491.811:18 AM2.45:371.26:32-0.26:358:16Full Moon31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8725383)

Common Questions About Captiva Island (outside), FL Tides

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What time does the tide turn (slack tide) in Captiva Island (outside), FL today?

Slack tide in Captiva Island (outside), FL is approximately 11:00 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 Captiva Island (outside), FL?

Captiva Island (outside), FL is currently in a transitional phase. Tonight's moon is 65% 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 Captiva Island (outside), FL 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 Captiva Island (outside), FL?

Tide predictions for Captiva Island (outside), FL 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 Captiva Island (outside), FL?

Tide data for Captiva Island (outside), FL is sourced from NOAA Station #8725383. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8725383.

What is the moon phase in Captiva Island (outside), FL tonight?

Tonight the moon over Captiva Island (outside), FL is First Quarter (65% illuminated). This places Captiva Island (outside), FL 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