Tides Today & Tomorrow in Boot Key Harbor bridge, FL

TIDE TIMES for Saturday, August 22, 2026
The tide is currently rising in Boot Key Harbor bridge, FL.
Next low tide : 12:43 pm (0.3 ft)
Next high tide : in 3h 00m at 4:40 am (2.0 ft)
Sunset today : 7:52 pm
Sunrise tomorrow : 7:01 am
Moon phase : Waxing Gibbous (73% illuminated)
Tide Station Location : Station #8723971
Common Questions About Tides

Boot Key Harbor bridge, FL Tides - Nov 1926

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon6:012.16:292.112:260.66:315:44Waning Crescent1Mon
2Tue6:462.16:562.212:440.612:590.66:315:44Waning Crescent2Tue
3Wed7:282.17:242.41:230.51:280.66:325:43New Moon3Wed
4Thu8:082.17:532.41:590.31:550.66:335:43New Moon4Thu
5Fri8:482.18:242.52:340.22:220.66:335:42New Moon5Fri
6Sat9:292.08:572.53:100.22:500.66:345:41New Moon6Sat
7Sun10:121.99:312.63:480.13:190.66:345:41Waxing Crescent7Sun
8Mon10:571.810:092.54:290.13:510.66:355:40Waxing Crescent8Mon
9Tue11:471.610:522.55:160.14:280.76:365:40Waxing Crescent9Tue
10Wed12:431.66:100.25:150.76:365:39Waxing Crescent10Wed
11Thu1:491.57:120.26:190.86:375:39First Quarter11Thu
12Fri12:482.33:001.68:180.37:470.86:385:38First Quarter12Fri
13Sat2:092.24:031.79:230.39:180.76:385:38First Quarter13Sat
14Sun3:382.24:531.910:230.410:370.66:395:38Waxing Gibbous14Sun
15Mon4:572.25:362.111:150.411:430.46:405:37Waxing Gibbous15Mon
16Tue6:052.26:162.312:010.46:415:37Waxing Gibbous16Tue
17Wed7:042.16:552.512:410.212:440.56:415:37Waxing Gibbous17Wed
18Thu7:582.17:342.61:330.11:250.56:425:36Full Moon18Thu
19Fri8:482.08:142.72:22-0.12:040.56:435:36Full Moon19Fri
20Sat9:351.88:542.73:08-0.12:430.56:435:36Full Moon20Sat
21Sun10:201.79:342.63:54-0.13:220.56:445:36Waning Gibbous21Sun
22Mon11:051.610:162.54:41-0.14:020.56:455:35Waning Gibbous22Mon
23Tue11:501.511:002.35:300.04:460.66:455:35Waning Gibbous23Tue
24Wed12:391.46:220.15:360.66:465:35Waning Gibbous24Wed
25Thu1:341.47:180.26:420.76:475:35Third Quarter25Thu
26Fri12:402.02:361.58:160.38:030.76:485:35Third Quarter26Fri
27Sat1:441.83:361.59:130.49:240.76:485:35Third Quarter27Sat
28Sun3:021.74:231.710:050.410:330.66:495:35Third Quarter28Sun
29Mon4:191.75:011.810:510.511:300.56:505:35Waning Crescent29Mon
30Tue5:241.75:351.911:320.56:505:35Waning Crescent30Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723971)

Common Questions About Boot Key Harbor bridge, FL Tides

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What time does the tide turn (slack tide) in Boot Key Harbor bridge, FL today?

Slack tide in Boot Key Harbor bridge, FL is approximately 8:41 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 Boot Key Harbor bridge, FL?

Boot Key Harbor bridge, FL is currently in a transitional phase. Tonight's moon is 73% 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 Boot Key Harbor bridge, 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 Boot Key Harbor bridge, FL?

Tide predictions for Boot Key Harbor bridge, 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 Boot Key Harbor bridge, FL?

Tide data for Boot Key Harbor bridge, FL is sourced from NOAA Station #8723971. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723971.

What is the moon phase in Boot Key Harbor bridge, FL tonight?

Tonight the moon over Boot Key Harbor bridge, FL is Waxing Gibbous (73% illuminated). This places Boot Key Harbor bridge, 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