Tides Today & Tomorrow in Largo Sound, Key Largo, FL

TIDE TIMES for Thursday, July 23, 2026
The tide is currently falling in Largo Sound, Key Largo, FL.
Next low tide : in 36m at 1:31 pm (0.1 ft)
Next high tide : 7:20 pm (0.7 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 6:44 am
Moon phase : Waxing Gibbous (71% illuminated)
Tide Station Location : Station #8723651
Common Questions About Tides

Largo Sound, Key Largo, FL Tides - May 2078

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:110.82:100.78:360.28:470.06:457:52Waning Gibbous1Sun
2Mon2:540.82:530.79:180.39:330.16:447:52Waning Gibbous2Mon
3Tue3:420.83:430.710:090.310:280.16:437:53Third Quarter3Tue
4Wed4:350.84:440.711:090.311:330.16:437:53Third Quarter4Wed
5Thu5:340.85:520.712:160.26:427:54Third Quarter5Thu
6Fri6:340.87:020.812:410.11:200.16:417:54Third Quarter6Fri
7Sat7:330.88:080.81:470.12:190.06:417:55Waning Crescent7Sat
8Sun8:290.89:070.92:480.03:13-0.16:407:55Waning Crescent8Sun
9Mon9:230.910:031.03:440.04:05-0.26:397:56Waning Crescent9Mon
10Tue10:140.910:561.04:37-0.14:56-0.36:397:56New Moon10Tue
11Wed11:040.911:471.15:28-0.15:46-0.36:387:57New Moon11Wed
12Thu11:551.06:19-0.16:37-0.36:387:57New Moon12Thu
13Fri12:381.012:450.97:10-0.17:28-0.36:377:58Waxing Crescent13Fri
14Sat1:291.01:370.98:020.08:22-0.26:377:58Waxing Crescent14Sat
15Sun2:201.02:300.98:560.19:17-0.16:367:59Waxing Crescent15Sun
16Mon3:140.93:250.89:540.110:170.06:367:59Waxing Crescent16Mon
17Tue4:080.84:250.810:560.211:190.16:358:00First Quarter17Tue
18Wed5:050.85:270.711:590.26:358:00First Quarter18Wed
19Thu6:020.86:310.712:220.112:590.26:348:01First Quarter19Thu
20Fri6:570.77:310.71:220.21:540.16:348:02First Quarter20Fri
21Sat7:480.78:240.82:170.22:420.16:348:02Waxing Gibbous21Sat
22Sun8:340.79:110.83:060.23:250.16:338:03Waxing Gibbous22Sun
23Mon9:160.79:540.83:510.24:050.06:338:03Waxing Gibbous23Mon
24Tue9:560.810:340.84:320.24:430.06:338:04Waxing Gibbous24Tue
25Wed10:360.811:130.85:110.25:200.06:328:04Full Moon25Wed
26Thu11:150.811:520.95:480.15:56-0.16:328:05Full Moon26Thu
27Fri11:530.86:240.16:32-0.16:328:05Full Moon27Fri
28Sat12:320.912:320.87:010.27:080.06:328:06Full Moon28Sat
29Sun1:120.81:130.77:380.27:470.06:318:06Waning Gibbous29Sun
30Mon1:540.81:550.78:180.28:290.06:318:06Waning Gibbous30Mon
31Tue2:380.82:410.79:030.29:170.06:318:07Waning Gibbous31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723651)

Common Questions About Largo Sound, Key Largo, FL Tides

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

Slack tide in Largo Sound, Key Largo, FL is approximately 4:25 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 Largo Sound, Key Largo, FL?

Largo Sound, Key Largo, FL is currently in a transitional phase. Tonight's moon is 71% 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 shifting between spring and neap.

What datum are Largo Sound, Key Largo, 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 Largo Sound, Key Largo, FL?

Tide predictions for Largo Sound, Key Largo, 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 Largo Sound, Key Largo, FL?

Tide data for Largo Sound, Key Largo, FL is sourced from NOAA Station #8723651. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723651.

What is the moon phase in Largo Sound, Key Largo, FL tonight?

Tonight the moon over Largo Sound, Key Largo, FL is Waxing Gibbous (71% illuminated). This places Largo Sound, Key Largo, FL in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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