Tides Today & Tomorrow in Rock Harbor, Key Largo, FL

TIDE TIMES for Monday, June 22, 2026
The tide is currently falling in Rock Harbor, Key Largo, FL.
Next low tide : in 5h 38m at 9:56 am (0.0 ft)
Next high tide : 4:14 pm (2.1 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:32 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8723689
Common Questions About Tides

Rock Harbor, Key Largo, FL Tides - Sep 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:592.99:293.02:370.13:01-0.27:027:40New Moon1Sat
2Sun9:493.010:153.03:26-0.13:50-0.17:037:39New Moon2Sun
3Mon10:373.010:582.94:14-0.14:370.07:037:38New Moon3Mon
4Tue11:232.911:412.85:000.05:240.17:037:37Waxing Crescent4Tue
5Wed12:082.85:460.16:100.47:047:36Waxing Crescent5Wed
6Thu12:232.712:532.76:320.26:570.67:047:35Waxing Crescent6Thu
7Fri1:062.51:392.57:200.47:470.87:047:34First Quarter7Fri
8Sat1:502.42:282.48:110.68:401.07:057:33First Quarter8Sat
9Sun2:372.33:212.39:050.79:381.17:057:32First Quarter9Sun
10Mon3:302.24:182.210:030.810:361.27:057:31First Quarter10Mon
11Tue4:282.25:162.311:010.911:331.17:067:30First Quarter11Tue
12Wed5:282.26:122.311:540.87:067:29Waxing Gibbous12Wed
13Thu6:252.37:022.412:241.012:430.77:077:28Waxing Gibbous13Thu
14Fri7:162.47:482.51:090.91:270.67:077:27Waxing Gibbous14Fri
15Sat8:032.58:302.71:510.82:080.57:077:26Waxing Gibbous15Sat
16Sun8:482.79:112.72:300.62:480.47:087:25Full Moon16Sun
17Mon9:312.89:512.83:080.43:270.47:087:23Full Moon17Mon
18Tue10:142.910:312.83:460.34:070.47:087:22Full Moon18Tue
19Wed10:572.911:122.84:260.24:480.47:097:21Waning Gibbous19Wed
20Thu11:422.911:552.85:070.25:330.57:097:20Waning Gibbous20Thu
21Fri12:302.95:530.26:210.67:107:19Waning Gibbous21Fri
22Sat12:412.71:222.86:430.37:150.77:107:18Waning Gibbous22Sat
23Sun1:332.62:192.77:410.48:160.87:107:17Third Quarter23Sun
24Mon2:322.63:222.78:450.49:230.97:117:16Third Quarter24Mon
25Tue3:382.64:292.79:540.510:330.97:117:15Third Quarter25Tue
26Wed4:482.65:352.711:020.511:380.77:117:14Waning Crescent26Wed
27Thu5:562.76:352.812:050.47:127:13Waning Crescent27Thu
28Fri6:582.87:302.912:360.61:030.37:127:12Waning Crescent28Fri
29Sat7:533.08:203.01:300.41:550.37:137:11Waning Crescent29Sat
30Sun8:443.19:053.02:190.22:440.27:137:10New Moon30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723689)

Common Questions About Rock Harbor, Key Largo, FL Tides

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What time does the tide turn (slack tide) in Rock Harbor, Key Largo, FL today?

Slack tide in Rock Harbor, Key Largo, FL is approximately 1:05 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 Rock Harbor, Key Largo, FL?

Rock Harbor, Key Largo, FL is currently in a neap phase. Tonight's moon is 58% 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 minimum.

What datum are Rock Harbor, 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 Rock Harbor, Key Largo, FL?

Tide predictions for Rock Harbor, 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 Rock Harbor, Key Largo, FL?

Tide data for Rock Harbor, Key Largo, FL is sourced from NOAA Station #8723689. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723689.

What is the moon phase in Rock Harbor, Key Largo, FL tonight?

Tonight the moon over Rock Harbor, Key Largo, FL is First Quarter (58% illuminated). This places Rock Harbor, Key Largo, FL in a neap tide cycle, so tidal ranges are near their weekly minimum 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