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

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently rising in Largo Sound, Key Largo, FL.
Next low tide : 12:37 pm (0.1 ft)
Next high tide : in 1h 09m at 5:28 am (0.7 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 6:44 am
Moon phase : First Quarter (62% illuminated)
Tide Station Location : Station #8723651
Common Questions About Tides

Largo Sound, Key Largo, FL Tides - Apr 1973

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:580.89:260.93:150.03:35-0.16:126:38Waning Crescent1Sun
2Mon9:420.910:120.94:000.04:17-0.26:116:38New Moon2Mon
3Tue10:250.910:581.04:44-0.15:00-0.26:106:38New Moon3Tue
4Wed11:090.911:451.05:28-0.15:45-0.36:096:39New Moon4Wed
5Thu11:540.96:14-0.16:32-0.36:086:39Waxing Crescent5Thu
6Fri12:331.012:420.97:020.07:22-0.36:076:40Waxing Crescent6Fri
7Sat1:240.91:330.97:540.08:17-0.26:066:40Waxing Crescent7Sat
8Sun2:190.92:300.88:510.19:18-0.16:056:41First Quarter8Sun
9Mon3:180.93:330.89:550.110:250.06:046:41First Quarter9Mon
10Tue4:220.84:420.811:040.111:350.06:036:41First Quarter10Tue
11Wed5:270.85:530.812:130.16:026:42First Quarter11Wed
12Thu6:300.86:590.812:420.01:150.16:016:42Waxing Gibbous12Thu
13Fri7:280.87:580.91:430.02:100.06:006:43Waxing Gibbous13Fri
14Sat8:190.88:500.92:370.02:59-0.15:596:43Waxing Gibbous14Sat
15Sun9:040.99:360.93:250.03:44-0.15:586:44Full Moon15Sun
16Mon9:460.910:170.94:100.04:25-0.15:586:44Full Moon16Mon
17Tue10:250.910:560.94:510.05:05-0.15:576:45Full Moon17Tue
18Wed11:020.811:340.95:300.05:43-0.15:566:45Full Moon18Wed
19Thu11:380.86:080.16:21-0.15:556:46Waning Gibbous19Thu
20Fri12:110.912:140.86:460.16:580.05:546:46Waning Gibbous20Fri
21Sat12:480.812:510.87:230.27:360.05:536:46Waning Gibbous21Sat
22Sun1:280.81:310.78:020.28:160.15:526:47Waning Gibbous22Sun
23Mon2:100.82:140.78:450.39:010.15:516:47Third Quarter23Mon
24Tue2:560.73:040.79:350.39:530.25:506:48Third Quarter24Tue
25Wed3:460.74:020.710:320.310:530.25:506:48Third Quarter25Wed
26Thu4:410.75:050.711:320.311:550.25:496:49Third Quarter26Thu
27Fri5:370.76:090.712:290.25:486:49Waning Crescent27Fri
28Sat6:330.77:090.812:540.21:220.15:476:50Waning Crescent28Sat
29Sun8:260.89:050.91:490.13:110.06:467:50Waning Crescent29Sun
30Mon9:170.89:570.93:400.13:59-0.16:467:51Waning Crescent30Mon
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 9:02 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 62% 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 First Quarter (62% 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