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 2h 41m 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 - Apr 2028

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat1:542.11:541.97:430.58:090.07:127:38First Quarter1Sat
2Sun2:522.02:581.98:470.59:170.17:117:38First Quarter2Sun
3Mon3:562.04:112.09:580.510:290.17:107:39First Quarter3Mon
4Tue5:022.15:252.111:070.311:370.07:097:39Waxing Gibbous4Tue
5Wed6:052.26:332.312:090.07:087:40Waxing Gibbous5Wed
6Thu7:022.37:332.512:38-0.11:05-0.37:077:40Waxing Gibbous6Thu
7Fri7:542.58:282.61:34-0.31:58-0.57:067:41Waxing Gibbous7Fri
8Sat8:442.59:192.82:27-0.32:47-0.77:057:41Full Moon8Sat
9Sun9:312.610:082.83:17-0.43:36-0.87:047:41Full Moon9Sun
10Mon10:182.610:552.74:05-0.34:23-0.87:037:42Full Moon10Mon
11Tue11:042.511:432.64:53-0.25:11-0.77:027:42Waning Gibbous11Tue
12Wed11:502.45:410.06:00-0.47:017:43Waning Gibbous12Wed
13Thu12:302.512:382.26:300.26:51-0.27:007:43Waning Gibbous13Thu
14Fri1:192.31:272.17:220.47:460.16:597:44Waning Gibbous14Fri
15Sat2:102.12:201.98:190.58:440.36:587:44Third Quarter15Sat
16Sun3:052.03:191.89:210.69:470.46:577:45Third Quarter16Sun
17Mon4:021.94:221.810:230.710:480.56:567:45Third Quarter17Mon
18Tue4:591.95:241.811:210.611:440.56:557:46Third Quarter18Tue
19Wed5:531.96:211.912:110.56:547:46Waning Crescent19Wed
20Thu6:402.07:102.012:340.512:560.36:547:46Waning Crescent20Thu
21Fri7:242.07:552.21:180.41:360.26:537:47Waning Crescent21Fri
22Sat8:042.18:362.31:590.42:130.06:527:47Waning Crescent22Sat
23Sun8:442.19:172.32:380.32:49-0.16:517:48New Moon23Sun
24Mon9:232.29:572.43:150.33:24-0.26:507:48New Moon24Mon
25Tue10:012.210:372.43:510.24:01-0.26:497:49New Moon25Tue
26Wed10:412.211:192.44:280.34:39-0.26:497:49New Moon26Wed
27Thu11:212.25:070.35:20-0.26:487:50Waxing Crescent27Thu
28Fri12:032.412:052.15:500.36:06-0.26:477:50Waxing Crescent28Fri
29Sat12:502.312:542.16:390.46:58-0.16:467:51Waxing Crescent29Sat
30Sun1:412.21:502.17:340.47:570.06:467:51First Quarter30Sun
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 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