25.1133’ N, 80.4167’ W

Key Largo, South Sound, FL

80°
H -°
L 79°
NE
3mph
High tide
4:56 am

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

TIDE TIMES for Sunday, September 6, 2026
The tide is currently rising in Key Largo, South Sound, FL.
Next low tide : 12:30 pm (0.2 ft)
Next high tide : in 3h 25m at 4:56 am (1.7 ft)
Sunset today : 7:35 pm
Sunrise tomorrow : 7:04 am
Moon phase : Waning Crescent (24% illuminated)
Tide Station Location : Station #8723667
Common Questions About Tides

Key Largo, South Sound, FL Tides - May 1909

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:091.46:361.51:110.21:330.15:456:51Waxing Gibbous1Sat
2Sun6:501.57:181.51:540.22:110.15:456:52Waxing Gibbous2Sun
3Mon7:281.57:581.62:340.22:480.05:446:52Full Moon3Mon
4Tue8:061.58:371.73:110.13:220.05:436:53Full Moon4Tue
5Wed8:441.59:171.73:470.13:57-0.15:436:53Full Moon5Wed
6Thu9:221.59:561.74:230.14:32-0.15:426:54Full Moon6Thu
7Fri10:001.510:381.75:000.15:09-0.15:416:54Waning Gibbous7Fri
8Sat10:401.511:211.65:380.25:50-0.15:416:55Waning Gibbous8Sat
9Sun11:231.56:210.26:35-0.15:406:55Waning Gibbous9Sun
10Mon12:081.612:121.47:100.27:280.05:396:56Waning Gibbous10Mon
11Tue1:001.51:081.48:070.28:290.05:396:56Third Quarter11Tue
12Wed1:571.52:131.49:110.29:370.15:386:57Third Quarter12Wed
13Thu2:571.53:231.510:180.210:450.15:386:57Third Quarter13Thu
14Fri3:591.54:321.611:210.111:500.05:376:58Waning Crescent14Fri
15Sat4:581.65:361.712:20-0.15:376:58Waning Crescent15Sat
16Sun5:551.76:341.812:490.01:14-0.25:366:59Waning Crescent16Sun
17Mon6:481.77:281.91:45-0.12:06-0.35:366:59Waning Crescent17Mon
18Tue7:381.78:191.92:37-0.12:56-0.45:357:00New Moon18Tue
19Wed8:271.89:081.93:27-0.13:44-0.45:357:00New Moon19Wed
20Thu9:151.79:551.94:16-0.14:32-0.45:347:01New Moon20Thu
21Fri10:021.710:421.85:040.05:21-0.35:347:01Waxing Crescent21Fri
22Sat10:491.611:291.75:530.16:10-0.25:347:02Waxing Crescent22Sat
23Sun11:361.56:420.17:00-0.15:337:02Waxing Crescent23Sun
24Mon12:161.612:261.47:350.27:530.15:337:03Waxing Crescent24Mon
25Tue1:041.51:171.38:300.38:490.25:337:03First Quarter25Tue
26Wed1:541.42:131.39:280.39:480.25:327:04First Quarter26Wed
27Thu2:451.33:111.310:250.310:450.35:327:04First Quarter27Thu
28Fri3:361.34:101.311:170.211:390.35:327:05First Quarter28Fri
29Sat4:271.35:051.312:050.25:317:05Waxing Gibbous29Sat
30Sun5:161.35:551.412:280.312:490.15:317:06Waxing Gibbous30Sun
31Mon6:021.46:421.51:140.21:300.05:317:06Waxing Gibbous31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723667)

Common Questions About Key Largo, South Sound, FL Tides

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Is this week a spring tide or neap tide in Key Largo, South Sound, FL?

Key Largo, South Sound, FL is currently in a transitional phase. Tonight's moon is 24% 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 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 (24% illuminated). This places Key Largo, South Sound, 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