Tides Today & Tomorrow in Long Key, western end, FL

TIDE TIMES for Sunday, August 9, 2026
The tide is currently falling in Long Key, western end, FL.
Next low tide : in 4h 46m at 1:25 pm (0.0 ft)
Next high tide : 8:17 pm (0.8 ft)
Sunset today : 8:02 pm
Sunrise tomorrow : 6:55 am
Moon phase : Waning Crescent (13% illuminated)
Tide Station Location : Station #8723899
Common Questions About Tides

Long Key, western end, FL Tides - Sep 2081

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon7:421.98:551.212:460.32:270.17:047:41Waning Crescent1Mon
2Tue8:382.09:281.41:470.23:050.17:057:40New Moon2Tue
3Wed9:322.010:021.62:440.13:410.17:057:39New Moon3Wed
4Thu10:241.910:371.73:380.14:170.17:057:38New Moon4Thu
5Fri11:161.811:141.84:310.14:510.27:067:37Waxing Crescent5Fri
6Sat12:071.65:270.05:270.27:067:36Waxing Crescent6Sat
7Sun1:011.36:250.06:030.37:077:35Waxing Crescent7Sun
8Mon12:371.92:021.17:300.16:420.37:077:34First Quarter8Mon
9Tue1:261.83:231.08:420.17:290.37:077:33First Quarter9Tue
10Wed2:261.75:160.910:010.18:360.37:087:32First Quarter10Wed
11Thu3:421.76:431.011:210.210:010.37:087:31First Quarter11Thu
12Fri5:061.77:301.112:310.27:087:30Waxing Gibbous12Fri
13Sat6:181.78:031.21:210.27:097:28Waxing Gibbous13Sat
14Sun7:141.78:281.312:280.31:570.27:097:27Waxing Gibbous14Sun
15Mon8:001.88:511.41:230.32:270.27:097:26Waxing Gibbous15Mon
16Tue8:391.89:121.52:080.32:540.27:107:25Full Moon16Tue
17Wed9:161.89:341.62:480.23:200.27:107:24Full Moon17Wed
18Thu9:511.79:581.73:250.23:440.27:107:23Full Moon18Thu
19Fri10:271.610:241.74:000.24:080.27:117:22Full Moon19Fri
20Sat11:041.610:511.74:360.24:300.37:117:21Waning Gibbous20Sat
21Sun11:431.411:191.75:130.14:520.37:127:20Waning Gibbous21Sun
22Mon12:261.35:540.15:150.37:127:19Waning Gibbous22Mon
23Tue1:151.26:430.15:400.37:127:18Waning Gibbous23Tue
24Wed12:281.72:201.07:440.26:110.37:137:17Third Quarter24Wed
25Thu1:161.73:541.08:570.26:570.47:137:16Third Quarter25Thu
26Fri2:231.75:321.010:160.28:280.47:137:15Third Quarter26Fri
27Sat3:521.86:281.111:270.210:150.47:147:13Third Quarter27Sat
28Sun5:201.87:051.312:240.27:147:12Waning Crescent28Sun
29Mon6:331.97:391.41:100.27:157:11Waning Crescent29Mon
30Tue7:352.08:121.612:470.31:500.27:157:10Waning Crescent30Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723899)

Common Questions About Long Key, western end, FL Tides

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What time does the tide turn (slack tide) in Long Key, western end, FL today?

Slack tide in Long Key, western end, FL is approximately 4:51 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 Long Key, western end, FL?

Long Key, western end, FL is currently in a spring phase. Tonight's moon is 13% 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 maximum.

What datum are Long Key, western end, 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 Long Key, western end, FL?

Tide predictions for Long Key, western end, 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 Long Key, western end, FL?

Tide data for Long Key, western end, FL is sourced from NOAA Station #8723899. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723899.

What is the moon phase in Long Key, western end, FL tonight?

Tonight the moon over Long Key, western end, FL is Waning Crescent (13% illuminated). This places Long Key, western end, FL in a spring tide cycle, so tidal ranges are near their weekly maximum 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