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

TIDE TIMES for Friday, August 14, 2026
The tide is currently falling in Key Largo, South Sound, FL.
Next low tide : in 5h 29m at 6:09 pm (-0.1 ft)
Next high tide : 11:17 pm (1.9 ft)
Sunset today : 7:57 pm
Sunrise tomorrow : 6:55 am
Moon phase : Waxing Crescent (5% illuminated)
Tide Station Location : Station #8723667
Common Questions About Tides

Key Largo, South Sound, FL Tides - Oct 1955

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat9:132.19:262.03:560.24:210.37:137:09Full Moon1Sat
2Sun9:582.110:092.04:370.15:030.27:137:08Full Moon2Sun
3Mon10:442.210:532.05:200.05:480.37:147:07Waning Gibbous3Mon
4Tue11:322.211:402.06:060.06:350.37:147:06Waning Gibbous4Tue
5Wed12:232.16:550.17:260.47:157:05Waning Gibbous5Wed
6Thu12:312.01:182.07:500.18:240.47:157:04Waning Gibbous6Thu
7Fri1:281.92:182.08:510.29:280.57:167:03Third Quarter7Fri
8Sat2:321.93:211.99:590.310:380.57:167:02Third Quarter8Sat
9Sun3:411.84:271.911:090.311:470.57:167:01Third Quarter9Sun
10Mon4:511.95:301.912:170.37:177:00Waning Crescent10Mon
11Tue5:581.96:282.012:500.41:180.37:176:59Waning Crescent11Tue
12Wed6:572.07:192.01:460.32:120.37:186:58Waning Crescent12Wed
13Thu7:492.18:052.02:350.23:010.37:186:57Waning Crescent13Thu
14Fri8:362.18:482.03:210.23:460.37:196:56New Moon14Fri
15Sat9:192.19:282.04:030.14:290.37:196:55New Moon15Sat
16Sun9:592.110:062.04:440.15:090.47:206:54New Moon16Sun
17Mon10:382.110:431.95:230.25:480.47:206:53New Moon17Mon
18Tue11:162.011:201.96:010.26:270.57:216:52Waxing Crescent18Tue
19Wed11:551.911:591.86:400.37:060.57:216:51Waxing Crescent19Wed
20Thu12:361.87:200.47:470.67:226:50Waxing Crescent20Thu
21Fri12:401.71:191.88:020.58:330.77:226:50Waxing Crescent21Fri
22Sat1:251.62:071.78:500.59:260.77:236:49First Quarter22Sat
23Sun2:171.62:591.79:450.610:260.77:236:48First Quarter23Sun
24Mon3:161.63:541.710:460.611:260.77:246:47First Quarter24Mon
25Tue4:181.64:501.711:470.67:246:46First Quarter25Tue
26Wed5:201.75:431.712:200.612:430.67:256:46Waxing Gibbous26Wed
27Thu6:171.86:341.81:100.51:340.57:266:45Waxing Gibbous27Thu
28Fri7:091.97:221.91:560.32:220.47:266:44Waxing Gibbous28Fri
29Sat7:592.08:092.02:400.23:090.37:276:43Full Moon29Sat
30Sun7:482.17:562.02:250.12:550.36:275:43Full Moon30Sun
31Mon8:362.28:442.13:110.03:410.26:285:42Full Moon31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723667)

Common Questions About Key Largo, South Sound, FL Tides

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

Slack tide in Key Largo, South Sound, FL is approximately 8:43 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 Key Largo, South Sound, FL?

Key Largo, South Sound, FL is currently in a spring phase. Tonight's moon is 5% 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 maximum.

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

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

Tide data for Key Largo, South Sound, FL is sourced from NOAA Station #8723667. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723667.

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

Tonight the moon over Key Largo, South Sound, FL is Waxing Crescent (5% illuminated). This places Key Largo, South Sound, FL in a spring tide cycle, so tidal ranges are near their weekly maximum 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