Tides Today & Tomorrow in Sand Key Lighthouse, FL

TIDE TIMES for Monday, August 17, 2026
The tide is currently rising in Sand Key Lighthouse, FL.
Next low tide (tomorrow) : 7:59 am (0.3 ft)
Next high tide (tomorrow) : in 1h 55m at 1:16 am (1.8 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 7:03 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8724635
Common Questions About Tides

Sand Key Lighthouse, FL Tides - Jun 1926

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:041.01:171.76:500.48:29-0.26:388:11Third Quarter1Tue
2Wed3:051.02:261.58:070.49:26-0.16:388:12Third Quarter2Wed
3Thu4:081.13:481.49:330.410:210.06:388:12Third Quarter3Thu
4Fri5:081.35:151.310:570.311:150.16:388:12Third Quarter4Fri
5Sat6:011.56:341.212:140.16:388:13Waning Crescent5Sat
6Sun6:491.67:421.112:050.21:22-0.16:388:13Waning Crescent6Sun
7Mon7:331.88:411.112:530.22:19-0.26:388:14Waning Crescent7Mon
8Tue8:141.99:331.11:380.33:09-0.36:388:14New Moon8Tue
9Wed8:531.910:201.02:210.33:52-0.46:388:14New Moon9Wed
10Thu9:311.911:031.03:010.44:33-0.46:388:15New Moon10Thu
11Fri10:091.911:441.03:390.45:11-0.36:388:15New Moon11Fri
12Sat10:471.84:170.45:49-0.26:388:16Waxing Crescent12Sat
13Sun12:230.911:25 AM1.74:550.46:28-0.26:388:16Waxing Crescent13Sun
14Mon1:020.912:061.65:370.57:10-0.16:388:16Waxing Crescent14Mon
15Tue1:440.912:501.56:250.57:530.06:388:17Waxing Crescent15Tue
16Wed2:291.01:401.47:230.58:390.16:388:17First Quarter16Wed
17Thu3:191.02:411.28:320.59:260.26:388:17First Quarter17Thu
18Fri4:111.13:551.19:460.510:130.26:388:17First Quarter18Fri
19Sat5:001.25:161.010:580.410:580.36:388:18First Quarter19Sat
20Sun5:441.36:301.012:050.26:398:18Waxing Gibbous20Sun
21Mon6:251.57:321.01:040.16:398:18Waxing Gibbous21Mon
22Tue7:031.68:251.012:260.41:56-0.16:398:18Waxing Gibbous22Tue
23Wed7:401.79:121.01:070.42:44-0.26:398:19Waxing Gibbous23Wed
24Thu8:191.99:561.01:490.43:28-0.46:408:19Full Moon24Thu
25Fri9:002.010:391.02:310.44:12-0.46:408:19Full Moon25Fri
26Sat9:442.011:211.03:140.44:56-0.56:408:19Full Moon26Sat
27Sun10:302.04:000.35:40-0.46:408:19Waning Gibbous27Sun
28Mon12:041.011:21 AM2.04:500.36:25-0.46:418:19Waning Gibbous28Mon
29Tue12:501.012:141.95:470.37:11-0.36:418:19Waning Gibbous29Tue
30Wed1:381.11:131.76:520.37:59-0.26:418:19Waning Gibbous30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8724635)

Common Questions About Sand Key Lighthouse, FL Tides

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What time does the tide turn (slack tide) in Sand Key Lighthouse, FL today?

Slack tide in Sand Key Lighthouse, FL is approximately 4:37 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 Sand Key Lighthouse, FL?

Sand Key Lighthouse, FL is currently in a transitional phase. Tonight's moon is 27% 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 Sand Key Lighthouse, 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 Sand Key Lighthouse, FL?

Tide predictions for Sand Key Lighthouse, 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 Sand Key Lighthouse, FL?

Tide data for Sand Key Lighthouse, FL is sourced from NOAA Station #8724635. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8724635.

What is the moon phase in Sand Key Lighthouse, FL tonight?

Tonight the moon over Sand Key Lighthouse, FL is Waxing Crescent (27% illuminated). This places Sand Key Lighthouse, 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