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

TIDE TIMES for Friday, July 10, 2026
The tide is currently falling in Key Largo, South Sound, FL.
Next low tide : in 5h 00m at 12:54 pm (-0.2 ft)
Next high tide : 6:23 pm (1.6 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 6:38 am
Moon phase : Waning Crescent (20% illuminated)
Tide Station Location : Station #8723667
Common Questions About Tides

Key Largo, South Sound, FL Tides - Aug 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:381.44:261.411:220.211:490.46:498:06First Quarter1Sat
2Sun4:321.45:241.412:140.26:498:06Waxing Gibbous2Sun
3Mon5:301.46:221.512:440.41:060.26:508:05Waxing Gibbous3Mon
4Tue6:271.47:161.51:360.41:560.16:508:04Waxing Gibbous4Tue
5Wed7:221.58:061.62:250.32:430.06:508:04Waxing Gibbous5Wed
6Thu8:141.68:531.73:120.23:29-0.16:518:03Full Moon6Thu
7Fri9:031.79:391.83:580.14:15-0.16:518:02Full Moon7Fri
8Sat9:521.810:241.94:430.05:01-0.26:528:02Full Moon8Sat
9Sun10:401.811:091.95:280.05:48-0.26:528:01Full Moon9Sun
10Mon11:301.911:541.96:15-0.16:37-0.16:538:00Waning Gibbous10Mon
11Tue12:201.97:04-0.17:28-0.16:537:59Waning Gibbous11Tue
12Wed12:421.91:131.87:56-0.18:220.06:547:59Waning Gibbous12Wed
13Thu1:321.82:101.88:52-0.19:210.16:547:58Third Quarter13Thu
14Fri2:261.73:101.79:52-0.110:240.26:557:57Third Quarter14Fri
15Sat3:251.74:151.710:560.011:300.36:557:56Third Quarter15Sat
16Sun4:281.75:211.712:000.06:557:55Waning Crescent16Sun
17Mon5:341.66:241.712:340.31:020.06:567:55Waning Crescent17Mon
18Tue6:371.77:221.81:340.21:590.06:567:54Waning Crescent18Tue
19Wed7:341.78:141.82:300.22:520.06:577:53Waning Crescent19Wed
20Thu8:261.89:001.83:200.23:410.06:577:52New Moon20Thu
21Fri9:121.89:411.94:070.14:260.06:587:51New Moon21Fri
22Sat9:551.810:201.84:510.15:090.06:587:50New Moon22Sat
23Sun10:361.810:571.85:320.15:490.16:587:49New Moon23Sun
24Mon11:151.811:331.86:110.16:290.16:597:48Waxing Crescent24Mon
25Tue11:531.76:500.27:070.26:597:47Waxing Crescent25Tue
26Wed12:091.712:331.77:280.27:460.37:007:46Waxing Crescent26Wed
27Thu12:451.71:141.68:070.38:270.47:007:45Waxing Crescent27Thu
28Fri1:241.61:581.68:480.39:110.57:007:44First Quarter28Fri
29Sat2:061.52:471.59:350.410:020.57:017:43First Quarter29Sat
30Sun2:541.53:431.510:290.411:010.67:017:42First Quarter30Sun
31Mon3:501.54:431.511:270.47:027:41First Quarter31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723667)

Common Questions About Key Largo, South Sound, FL Tides

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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 3:38 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 20% 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 Waning Crescent (20% 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