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

TIDE TIMES for Sunday, August 16, 2026
The tide is currently rising in Long Key, western end, FL.
Next low tide (tomorrow) : 6:46 am (0.1 ft)
Next high tide (tomorrow) : in 2h 01m at 12:27 am (1.5 ft)
Sunset today : 7:57 pm
Sunrise tomorrow : 6:58 am
Moon phase : Waxing Crescent (18% illuminated)
Tide Station Location : Station #8723899
Common Questions About Tides

Long Key, western end, FL Tides - May 2094

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat9:551.511:151.03:290.14:28-0.16:477:53Full Moon1Sat
2Sun10:311.54:000.15:12-0.16:467:54Waning Gibbous2Sun
3Mon12:030.911:09 AM1.54:340.16:01-0.16:457:54Waning Gibbous3Mon
4Tue12:540.911:53 AM1.55:130.26:56-0.16:457:55Waning Gibbous4Tue
5Wed1:520.812:441.56:000.27:57-0.16:447:55Waning Gibbous5Wed
6Thu2:590.81:481.47:040.29:030.06:437:56Third Quarter6Thu
7Fri4:110.83:081.38:300.210:080.06:437:56Third Quarter7Fri
8Sat5:140.94:371.310:020.211:080.06:427:57Third Quarter8Sat
9Sun6:041.05:591.211:220.16:427:57Waning Crescent9Sun
10Mon6:471.27:081.212:000.012:300.16:417:58Waning Crescent10Mon
11Tue7:261.38:081.212:470.11:280.06:417:58Waning Crescent11Tue
12Wed8:031.59:021.21:290.12:20-0.16:407:59Waning Crescent12Wed
13Thu8:391.69:511.12:080.13:07-0.16:397:59New Moon13Thu
14Fri9:161.610:371.02:460.13:52-0.16:398:00New Moon14Fri
15Sat9:521.611:210.93:240.14:36-0.16:398:00New Moon15Sat
16Sun10:291.64:010.15:20-0.16:388:01Waxing Crescent16Sun
17Mon12:040.911:07 AM1.54:380.16:06-0.16:388:01Waxing Crescent17Mon
18Tue12:480.811:46 AM1.45:170.26:55-0.16:378:02Waxing Crescent18Tue
19Wed1:340.812:291.36:010.27:480.06:378:02Waxing Crescent19Wed
20Thu2:270.81:171.26:580.28:430.06:368:03First Quarter20Thu
21Fri3:260.82:141.18:150.29:380.06:368:03First Quarter21Fri
22Sat4:240.93:241.19:390.210:290.16:368:04First Quarter22Sat
23Sun5:121.04:431.010:510.211:150.16:358:04First Quarter23Sun
24Mon5:511.15:551.011:520.211:560.16:358:05Waxing Gibbous24Mon
25Tue6:261.26:571.012:430.16:358:05Waxing Gibbous25Tue
26Wed7:001.37:521.012:330.11:270.06:358:06Waxing Gibbous26Wed
27Thu7:341.48:431.01:070.12:090.06:348:06Waxing Gibbous27Thu
28Fri8:091.59:321.01:410.12:50-0.16:348:07Full Moon28Fri
29Sat8:461.610:200.92:160.13:31-0.16:348:07Full Moon29Sat
30Sun9:261.611:080.92:520.14:15-0.26:348:08Full Moon30Sun
31Mon10:101.611:570.93:300.15:02-0.26:348:08Full Moon31Mon
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 3:36 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 Long Key, western end, FL?

Long Key, western end, FL is currently in a spring phase. Tonight's moon is 18% 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 Waxing Crescent (18% 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