Tides Today & Tomorrow in Key West, FL

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Key West, FL.
Next low tide : 9:44 am (0.4 ft)
Next high tide : in 2h 15m at 3:57 am (1.4 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 - Jan 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:161.42:231.17:570.18:060.57:115:49First Quarter1Wed
2Thu2:081.23:081.28:410.29:200.47:115:50First Quarter2Thu
3Fri3:131.13:571.29:260.310:300.37:115:51First Quarter3Fri
4Sat4:340.94:461.310:110.411:330.27:115:51First Quarter4Sat
5Sun5:560.95:341.410:550.47:125:52Waxing Gibbous5Sun
6Mon7:060.86:201.512:280.011:39 AM0.47:125:53Waxing Gibbous6Mon
7Tue8:020.87:051.61:17-0.212:230.47:125:54Waxing Gibbous7Tue
8Wed8:500.97:511.72:01-0.41:060.47:125:54Waxing Gibbous8Wed
9Thu9:340.98:371.82:43-0.51:490.37:125:55Full Moon9Thu
10Fri10:160.99:241.93:25-0.62:330.27:125:56Full Moon10Fri
11Sat10:560.910:121.94:06-0.63:190.27:125:56Full Moon11Sat
12Sun11:361.011:011.94:49-0.64:070.17:135:57Waning Gibbous12Sun
13Mon12:171.05:33-0.55:000.17:135:58Waning Gibbous13Mon
14Tue12:581.16:17-0.45:590.17:135:59Waning Gibbous14Tue
15Wed12:461.61:421.27:04-0.27:070.17:135:59Waning Gibbous15Wed
16Thu1:471.42:301.37:510.08:230.07:126:00Third Quarter16Thu
17Fri2:581.13:231.38:410.19:42-0.17:126:01Third Quarter17Fri
18Sat4:260.94:221.49:330.210:59-0.27:126:02Third Quarter18Sat
19Sun5:580.85:241.510:280.37:126:02Waning Crescent19Sun
20Mon7:160.86:231.612:10-0.311:25 AM0.37:126:03Waning Crescent20Mon
21Tue8:160.87:171.61:13-0.412:220.37:126:04Waning Crescent21Tue
22Wed9:040.88:071.62:05-0.51:150.27:126:05Waning Crescent22Wed
23Thu9:450.88:531.72:50-0.52:040.17:116:05New Moon23Thu
24Fri10:200.89:361.73:30-0.52:490.17:116:06New Moon24Fri
25Sat10:510.910:151.64:07-0.53:330.17:116:07New Moon25Sat
26Sun11:210.910:531.64:42-0.44:150.17:116:07New Moon26Sun
27Mon11:491.011:311.55:17-0.34:570.17:106:08Waxing Crescent27Mon
28Tue12:191.05:52-0.25:400.17:106:09Waxing Crescent28Tue
29Wed12:091.412:501.16:26-0.16:280.17:106:10Waxing Crescent29Wed
30Thu12:491.21:231.16:590.07:220.17:096:10Waxing Crescent30Thu
31Fri1:331.01:591.17:320.18:240.17:096:11First Quarter31Fri
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 6:50 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