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

TIDE TIMES for Wednesday, June 17, 2026
The tide is currently rising in Rock Harbor, Key Largo, FL.
Next low tide (tomorrow) : 6:09 am (-0.2 ft)
Next high tide (tomorrow) : in 5h 16m at 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 2024

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue8:522.79:062.72:360.72:550.77:147:08New Moon1Tue
2Wed9:282.89:392.73:100.63:300.77:147:07New Moon2Wed
3Thu10:042.810:122.73:430.54:040.87:147:06New Moon3Thu
4Fri10:402.810:452.64:150.54:370.97:157:05New Moon4Fri
5Sat11:162.711:192.54:470.65:101.07:157:04Waxing Crescent5Sat
6Sun11:542.711:542.55:190.65:441.17:167:03Waxing Crescent6Sun
7Mon12:352.65:550.76:221.27:167:02Waxing Crescent7Mon
8Tue12:322.41:212.56:360.87:071.37:177:01Waxing Crescent8Tue
9Wed1:172.32:142.47:270.98:031.47:177:00First Quarter9Wed
10Thu2:132.33:162.48:290.99:121.47:186:59First Quarter10Thu
11Fri3:202.34:212.59:400.910:241.37:186:58First Quarter11Fri
12Sat4:342.45:232.610:510.811:281.07:186:57Waxing Gibbous12Sat
13Sun5:432.66:202.711:540.77:196:56Waxing Gibbous13Sun
14Mon6:452.87:122.912:240.712:510.57:196:55Waxing Gibbous14Mon
15Tue7:423.08:013.01:160.41:440.47:206:54Waxing Gibbous15Tue
16Wed8:353.28:493.12:050.12:340.37:206:53Full Moon16Wed
17Thu9:263.39:363.12:54-0.13:240.37:216:52Full Moon17Thu
18Fri10:153.310:243.13:42-0.24:120.37:216:51Full Moon18Fri
19Sat11:053.311:133.04:30-0.25:020.57:226:50Waning Gibbous19Sat
20Sun11:563.15:21-0.15:530.77:226:50Waning Gibbous20Sun
21Mon12:032.912:493.06:140.26:480.97:236:49Waning Gibbous21Mon
22Tue12:572.71:452.87:110.47:491.17:236:48Third Quarter22Tue
23Wed1:552.62:452.68:150.78:551.27:246:47Third Quarter23Wed
24Thu2:582.43:472.59:220.910:031.27:256:46Third Quarter24Thu
25Fri4:062.44:492.510:291.011:061.17:256:45Third Quarter25Fri
26Sat5:122.45:452.511:291.011:591.07:266:45Waning Crescent26Sat
27Sun6:102.46:332.512:211.07:266:44Waning Crescent27Sun
28Mon7:002.57:142.512:450.91:060.97:276:43Waning Crescent28Mon
29Tue7:432.67:522.61:250.71:470.97:276:42Waning Crescent29Tue
30Wed8:222.78:282.62:020.62:250.97:286:42New Moon30Wed
31Thu8:592.89:042.62:370.53:010.97:296:41New Moon31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723689)

Common Questions About Rock Harbor, Key Largo, FL Tides

Show All
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 3:08 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 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