Tides Today & Tomorrow in Long Key Bight, Long Key, FL

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Long Key Bight, Long Key, FL.
Next low tide : 9:19 pm (0.2 ft)
Next high tide : in 4h 56m at 3:06 pm (1.4 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 6:34 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8723879
Common Questions About Tides

Long Key Bight, Long Key, FL Tides - Jul 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:431.87:011.112:330.06:378:16Waning Crescent1Sun
2Mon6:351.98:051.11:31-0.26:378:16Waning Crescent2Mon
3Tue7:272.19:011.112:510.22:25-0.36:388:16Waning Crescent3Tue
4Wed8:202.29:531.21:440.23:16-0.36:388:16New Moon4Wed
5Thu9:132.210:411.22:360.24:05-0.36:398:16New Moon5Thu
6Fri10:062.211:261.33:280.14:53-0.36:398:16New Moon6Fri
7Sat10:582.14:210.15:40-0.26:398:16Waxing Crescent7Sat
8Sun12:111.311:50 AM2.05:170.16:28-0.16:408:16Waxing Crescent8Sun
9Mon12:561.412:421.86:170.27:160.06:408:16Waxing Crescent9Mon
10Tue1:431.51:371.67:240.28:050.16:418:16First Quarter10Tue
11Wed2:311.52:381.48:360.28:540.16:418:16First Quarter11Wed
12Thu3:231.63:511.29:490.29:440.26:418:15First Quarter12Thu
13Fri4:171.65:141.010:590.210:340.36:428:15First Quarter13Fri
14Sat5:101.66:321.012:040.16:428:15Waxing Gibbous14Sat
15Sun6:001.77:341.01:010.16:438:15Waxing Gibbous15Sun
16Mon6:461.78:221.012:130.31:500.06:438:15Waxing Gibbous16Mon
17Tue7:281.89:021.01:000.32:320.06:448:14Waxing Gibbous17Tue
18Wed8:081.89:371.11:440.33:09-0.16:448:14Full Moon18Wed
19Thu8:471.910:101.12:240.33:44-0.16:458:14Full Moon19Thu
20Fri9:261.910:421.23:020.34:17-0.16:458:13Full Moon20Fri
21Sat10:051.911:161.33:390.34:50-0.16:468:13Full Moon21Sat
22Sun10:441.911:501.44:170.35:230.06:468:12Waning Gibbous22Sun
23Mon11:241.84:580.35:560.06:468:12Waning Gibbous23Mon
24Tue12:251.412:061.85:430.36:320.16:478:12Waning Gibbous24Tue
25Wed1:021.512:511.66:350.37:100.16:478:11Waning Gibbous25Wed
26Thu1:411.51:431.57:360.37:520.26:488:11Third Quarter26Thu
27Fri2:241.62:471.38:450.28:380.26:488:10Third Quarter27Fri
28Sat3:141.74:071.29:570.29:310.36:498:10Third Quarter28Sat
29Sun4:111.85:351.111:090.110:290.36:498:09Third Quarter29Sun
30Mon5:141.96:521.112:160.06:508:09Waning Crescent30Mon
31Tue6:162.07:541.11:17-0.16:508:08Waning Crescent31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723879)

Common Questions About Long Key Bight, Long Key, FL Tides

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

Slack tide in Long Key Bight, Long Key, FL is approximately 6:12 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 Bight, Long Key, FL?

Long Key Bight, Long Key, FL is currently in a neap phase. Tonight's moon is 48% 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 minimum.

What datum are Long Key Bight, Long Key, 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 Bight, Long Key, FL?

Tide predictions for Long Key Bight, Long Key, 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 Bight, Long Key, FL?

Tide data for Long Key Bight, Long Key, FL is sourced from NOAA Station #8723879. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723879.

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

Tonight the moon over Long Key Bight, Long Key, FL is First Quarter (48% illuminated). This places Long Key Bight, Long Key, FL in a neap tide cycle, so tidal ranges are near their weekly minimum 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