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

TIDE TIMES for Wednesday, June 17, 2026
The tide is currently falling in Rock Harbor, Key Largo, FL.
Next low tide : in 3h 29m at 5:35 pm (-0.6 ft)
Next high tide (tomorrow) : 12:08 am (2.6 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 6:31 am
Moon phase : Waxing Crescent (9% illuminated)
Tide Station Location : Station #8723689
Common Questions About Tides

Rock Harbor, Key Largo, FL Tides - Oct 2027

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri10:303.210:403.04:00-0.14:280.47:137:09New Moon1Fri
2Sat11:163.111:242.94:460.05:140.67:147:07Waxing Crescent2Sat
3Sun12:023.05:320.26:010.87:147:06Waxing Crescent3Sun
4Mon12:082.712:492.86:200.46:501.07:157:05Waxing Crescent4Mon
5Tue12:542.61:382.67:110.67:431.27:157:04First Quarter5Tue
6Wed1:432.42:312.48:070.98:431.37:157:03First Quarter6Wed
7Thu2:382.33:292.49:091.09:471.47:167:02First Quarter7Thu
8Fri3:392.34:282.310:121.110:491.47:167:01First Quarter8Fri
9Sat4:432.35:252.411:121.111:441.37:177:00Waxing Gibbous9Sat
10Sun5:432.36:142.412:041.17:176:59Waxing Gibbous10Sun
11Mon6:372.46:592.512:311.112:501.07:186:58Waxing Gibbous11Mon
12Tue7:242.67:402.61:120.91:320.97:186:57Waxing Gibbous12Tue
13Wed8:072.78:192.71:490.72:100.97:196:56Full Moon13Wed
14Thu8:482.88:572.72:240.62:470.87:196:56Full Moon14Thu
15Fri9:282.99:352.72:590.53:240.87:206:55Full Moon15Fri
16Sat10:092.910:142.73:350.44:010.87:206:54Full Moon16Sat
17Sun10:512.910:542.74:130.34:400.87:216:53Waning Gibbous17Sun
18Mon11:352.911:372.64:530.35:230.97:216:52Waning Gibbous18Mon
19Tue12:232.85:390.46:101.07:226:51Waning Gibbous19Tue
20Wed12:252.61:162.76:300.57:051.17:226:50Waning Gibbous20Wed
21Thu1:212.52:142.77:300.68:091.17:236:49Third Quarter21Thu
22Fri2:252.53:162.68:380.79:201.17:236:48Third Quarter22Fri
23Sat3:352.54:202.69:500.710:290.97:246:48Third Quarter23Sat
24Sun4:472.65:212.710:580.711:310.77:246:47Waning Crescent24Sun
25Mon5:532.86:182.812:000.67:256:46Waning Crescent25Mon
26Tue6:532.97:112.912:270.412:560.67:256:45Waning Crescent26Tue
27Wed7:473.18:002.91:180.21:470.57:266:44Waning Crescent27Wed
28Thu8:373.18:462.92:060.02:350.57:266:44New Moon28Thu
29Fri9:243.19:312.92:520.03:210.57:276:43New Moon29Fri
30Sat10:093.110:142.83:360.04:050.67:286:42New Moon30Sat
31Sun10:533.010:572.74:210.14:500.77:286:42Waxing Crescent31Sun
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 8:51 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 spring phase. Tonight's moon is 9% 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 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 Waxing Crescent (9% illuminated). This places Rock Harbor, Key Largo, 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