Tides Today & Tomorrow in Key West, FL

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Key West, FL.
Next low tide : in 3h 33m at 10:02 pm (0.3 ft)
Next high tide (tomorrow) : 4:45 am (1.5 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 6:39 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8724580
Common Questions About Tides

Key West, FL Tides - Feb 2034

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:020.98:331.62:13-0.51:390.07:086:12Full Moon1Wed
2Thu9:401.09:201.72:56-0.52:290.07:086:13Full Moon2Thu
3Fri10:161.010:021.63:34-0.53:16-0.17:076:14Full Moon3Fri
4Sat10:481.110:421.54:11-0.44:00-0.17:076:14Full Moon4Sat
5Sun11:201.211:191.44:47-0.34:44-0.17:066:15Waning Gibbous5Sun
6Mon11:511.211:571.35:22-0.35:28-0.17:066:16Waning Gibbous6Mon
7Tue12:231.25:57-0.16:14-0.17:056:16Waning Gibbous7Tue
8Wed12:341.112:561.26:310.07:050.07:056:17Waning Gibbous8Wed
9Thu1:151.01:331.27:070.18:020.07:046:18Third Quarter9Thu
10Fri2:030.82:171.27:440.29:060.07:036:18Third Quarter10Fri
11Sat3:070.73:101.18:280.310:150.07:036:19Third Quarter11Sat
12Sun4:390.64:141.29:240.311:22-0.17:026:19Third Quarter12Sun
13Mon6:110.65:211.210:300.47:016:20Waning Crescent13Mon
14Tue7:130.66:221.312:22-0.211:34 AM0.37:016:21Waning Crescent14Tue
15Wed7:570.77:171.41:11-0.312:310.27:006:21Waning Crescent15Wed
16Thu8:350.88:071.51:53-0.31:210.16:596:22Waning Crescent16Thu
17Fri9:111.08:551.62:31-0.42:080.06:596:23New Moon17Fri
18Sat9:461.19:421.73:08-0.42:54-0.16:586:23New Moon18Sat
19Sun10:221.210:291.73:44-0.43:40-0.26:576:24New Moon19Sun
20Mon10:581.311:161.64:21-0.44:28-0.36:566:24Waxing Crescent20Mon
21Tue11:361.44:59-0.35:19-0.46:556:25Waxing Crescent21Tue
22Wed12:051.412:161.55:38-0.26:15-0.46:556:25Waxing Crescent22Wed
23Thu12:571.21:001.56:20-0.17:17-0.36:546:26Waxing Crescent23Thu
24Fri1:561.01:501.57:070.18:27-0.36:536:26First Quarter24Fri
25Sat3:090.82:521.48:020.29:42-0.26:526:27First Quarter25Sat
26Sun4:400.74:081.49:070.310:59-0.26:516:28First Quarter26Sun
27Mon6:070.75:281.410:220.36:506:28Waxing Gibbous27Mon
28Tue7:110.86:381.412:09-0.211:34 AM0.26:506:29Waxing Gibbous28Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8724580)

Common Questions About Key West, FL Tides

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

Slack tide in Key West, FL is approximately 1:23 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 Key West, FL?

Key West, 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 Key West, 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 Key West, FL?

Tide predictions for Key West, 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 Key West, FL?

Tide data for Key West, FL is sourced from NOAA Station #8724580. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8724580.

What is the moon phase in Key West, FL tonight?

Tonight the moon over Key West, FL is First Quarter (48% illuminated). This places Key West, 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