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

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in Largo Sound, Key Largo, FL.
Next low tide : in 4h 40m at 10:11 pm (0.2 ft)
Next high tide (tomorrow) : 3:47 am (0.8 ft)
Sunset today : 8:04 pm
Sunrise tomorrow : 6:50 am
Moon phase : Third Quarter (66% illuminated)
Tide Station Location : Station #8723651
Common Questions About Tides

Largo Sound, Key Largo, FL Tides - Oct 1953

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu5:120.96:010.912:120.46:136:08Third Quarter1Thu
2Fri6:180.96:580.912:470.51:120.46:146:07Waning Crescent2Fri
3Sat7:170.97:460.91:420.42:040.46:146:06Waning Crescent3Sat
4Sun8:071.08:271.02:290.42:490.36:146:05Waning Crescent4Sun
5Mon8:501.09:051.03:100.33:300.36:156:04Waning Crescent5Mon
6Tue9:291.09:401.03:470.34:080.36:156:03New Moon6Tue
7Wed10:061.010:141.04:220.24:430.36:166:02New Moon7Wed
8Thu10:421.010:491.04:550.25:180.36:166:01New Moon8Thu
9Fri11:191.011:231.05:280.25:510.46:176:00New Moon9Fri
10Sat11:561.011:591.06:000.26:240.46:175:59Waxing Crescent10Sat
11Sun12:351.06:340.26:590.46:175:58Waxing Crescent11Sun
12Mon12:360.91:171.07:110.37:390.56:185:57Waxing Crescent12Mon
13Tue1:160.92:041.07:540.38:250.56:185:56Waxing Crescent13Tue
14Wed2:030.92:570.98:460.39:220.56:195:55First Quarter14Wed
15Thu3:000.93:550.99:480.410:290.56:195:54First Quarter15Thu
16Fri4:070.94:570.910:580.411:390.56:205:54First Quarter16Fri
17Sat5:180.95:581.012:070.36:205:53Waxing Gibbous17Sat
18Sun6:261.06:561.012:420.41:110.36:215:52Waxing Gibbous18Sun
19Mon7:281.17:501.11:390.22:080.26:215:51Waxing Gibbous19Mon
20Tue8:251.18:411.12:320.13:020.26:225:50Waxing Gibbous20Tue
21Wed9:181.29:301.13:230.03:530.16:225:49Full Moon21Wed
22Thu10:101.210:191.14:12-0.14:420.16:235:48Full Moon22Thu
23Fri10:591.211:081.15:01-0.15:320.26:235:47Full Moon23Fri
24Sat11:491.211:571.15:50-0.16:210.26:245:47Waning Gibbous24Sat
25Sun12:401.26:410.07:120.36:255:46Waning Gibbous25Sun
26Mon12:481.11:311.17:340.18:070.36:255:45Waning Gibbous26Mon
27Tue1:411.02:251.08:300.29:060.46:265:44Third Quarter27Tue
28Wed2:371.03:211.09:310.310:100.56:265:44Third Quarter28Wed
29Thu3:370.94:200.910:350.411:150.56:275:43Third Quarter29Thu
30Fri4:410.95:170.911:390.46:275:42Third Quarter30Fri
31Sat5:450.96:110.912:150.412:380.46:285:41Waning Crescent31Sat
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 12:59 am — 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 66% 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 Third Quarter (66% 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