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

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Largo Sound, Key Largo, FL.
Next low tide : 11:53 pm (0.1 ft)
Next high tide : in 3h 43m at 5:06 pm (0.8 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:32 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8723651
Common Questions About Tides

Largo Sound, Key Largo, FL Tides - May 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat1:260.91:320.98:000.18:17-0.16:457:51Waning Gibbous1Sat
2Sun2:100.92:160.88:460.19:040.06:447:52Waning Gibbous2Sun
3Mon2:550.83:020.89:360.29:540.16:447:52Waning Gibbous3Mon
4Tue3:400.83:520.710:280.210:480.26:437:53Third Quarter4Tue
5Wed4:280.74:450.711:250.311:450.26:427:53Third Quarter5Wed
6Thu5:180.75:430.712:220.36:417:54Third Quarter6Thu
7Fri6:110.76:430.712:430.21:160.26:417:54Third Quarter7Fri
8Sat7:030.77:400.71:390.32:060.26:407:55Waning Crescent8Sat
9Sun7:540.78:330.82:300.22:510.16:407:55Waning Crescent9Sun
10Mon8:420.79:220.83:160.23:330.16:397:56Waning Crescent10Mon
11Tue9:280.810:070.84:000.24:130.06:387:56Waning Crescent11Tue
12Wed10:120.810:520.94:420.14:53-0.16:387:57New Moon12Wed
13Thu10:560.811:360.95:220.15:34-0.16:377:58New Moon13Thu
14Fri11:400.86:030.16:16-0.26:377:58New Moon14Fri
15Sat12:210.912:240.86:460.17:00-0.26:367:59New Moon15Sat
16Sun1:060.91:110.87:310.17:47-0.26:367:59Waxing Crescent16Sun
17Mon1:530.92:010.88:190.18:38-0.16:358:00Waxing Crescent17Mon
18Tue2:420.92:540.89:120.19:33-0.16:358:00Waxing Crescent18Tue
19Wed3:340.93:530.810:100.110:340.06:348:01First Quarter19Wed
20Thu4:280.94:560.811:120.011:390.06:348:01First Quarter20Thu
21Fri5:250.86:020.812:150.06:348:02First Quarter21Fri
22Sat6:240.87:070.812:440.11:17-0.16:338:02First Quarter22Sat
23Sun7:230.88:100.91:470.12:15-0.16:338:03Waxing Gibbous23Sun
24Mon8:210.89:080.92:460.13:09-0.26:338:03Waxing Gibbous24Mon
25Tue9:160.910:010.93:410.14:01-0.26:328:04Waxing Gibbous25Tue
26Wed10:070.910:510.94:320.04:50-0.26:328:04Full Moon26Wed
27Thu10:560.911:370.95:210.05:37-0.26:328:05Full Moon27Thu
28Fri11:420.96:070.06:23-0.26:328:05Full Moon28Fri
29Sat12:210.912:260.86:530.17:08-0.16:318:06Full Moon29Sat
30Sun1:040.91:090.87:370.17:52-0.16:318:06Waning Gibbous30Sun
31Mon1:450.91:520.88:220.18:360.06:318:07Waning Gibbous31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723651)

Common Questions About Largo Sound, Key Largo, FL Tides

Show All
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 8:29 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 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 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 First Quarter (48% illuminated). This places Largo Sound, Key Largo, 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