Tides Today & Tomorrow in Boot Key Harbor bridge, FL

TIDE TIMES for Saturday, August 22, 2026
The tide is currently falling in Boot Key Harbor bridge, FL.
Next low tide : in 3h 09m at 11:14 pm (0.7 ft)
Next high tide (tomorrow) : 5:47 am (2.1 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 - Jan 1925

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:211.62:151.47:590.18:350.27:095:47First Quarter1Thu
2Fri2:331.33:151.58:530.29:530.27:095:47First Quarter2Fri
3Sat4:031.14:091.69:410.210:590.17:095:48First Quarter3Sat
4Sun5:211.14:571.610:350.37:095:49Waxing Gibbous4Sun
5Mon6:271.05:451.712:050.011:23 AM0.37:105:49Waxing Gibbous5Mon
6Tue7:151.06:271.712:53-0.112:110.37:105:50Waxing Gibbous6Tue
7Wed7:571.07:031.81:35-0.212:530.27:105:51Waxing Gibbous7Wed
8Thu8:331.07:391.82:11-0.21:290.27:105:52Full Moon8Thu
9Fri9:031.08:151.82:47-0.32:050.27:105:52Full Moon9Fri
10Sat9:331.18:571.93:23-0.32:410.27:105:53Full Moon10Sat
11Sun10:091.19:331.83:53-0.33:170.27:105:54Full Moon11Sun
12Mon10:391.110:091.84:29-0.33:530.27:105:54Waning Gibbous12Mon
13Tue11:151.210:511.75:05-0.24:350.27:105:55Waning Gibbous13Tue
14Wed11:511.211:331.65:41-0.15:230.27:105:56Waning Gibbous14Wed
15Thu12:331.36:17-0.16:170.27:105:57Waning Gibbous15Thu
16Fri12:211.41:151.36:590.07:230.17:105:57Third Quarter16Fri
17Sat1:211.21:571.47:410.18:350.07:105:58Third Quarter17Sat
18Sun2:391.02:571.58:350.19:53-0.17:105:59Third Quarter18Sun
19Mon4:150.93:571.69:290.211:05-0.27:106:00Third Quarter19Mon
20Tue5:390.94:571.710:290.27:106:00Waning Crescent20Tue
21Wed6:450.95:571.912:05-0.311:29 AM0.27:106:01Waning Crescent21Wed
22Thu7:390.96:512.01:05-0.412:290.17:096:02Waning Crescent22Thu
23Fri8:271.07:452.11:59-0.51:230.07:096:03New Moon23Fri
24Sat9:091.18:392.22:47-0.52:110.07:096:03New Moon24Sat
25Sun9:511.29:332.13:29-0.53:05-0.17:096:04New Moon25Sun
26Mon10:331.210:212.04:17-0.43:59-0.17:086:05Waxing Crescent26Mon
27Tue11:091.311:091.84:59-0.34:53-0.17:086:06Waxing Crescent27Tue
28Wed11:511.311:571.55:41-0.25:47-0.17:086:06Waxing Crescent28Wed
29Thu12:331.46:23-0.16:530.07:076:07Waxing Crescent29Thu
30Fri12:511.31:151.47:110.08:050.07:076:08First Quarter30Fri
31Sat1:571.02:091.47:590.19:170.07:076:08First Quarter31Sat
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 2:30 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