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

TIDE TIMES for Friday, June 19, 2026
The tide is currently rising in Rock Harbor, Key Largo, FL.
Next low tide : 7:28 pm (-0.2 ft)
Next high tide : in 3h 08m at 1:20 pm (2.3 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:32 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8723689
Common Questions About Tides

Rock Harbor, Key Largo, FL Tides - Dec 2030

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:282.51:562.57:370.38:140.36:505:31First Quarter1Sun
2Mon2:312.42:532.48:410.59:150.36:505:31First Quarter2Mon
3Tue3:352.43:512.39:430.610:120.36:515:31First Quarter3Tue
4Wed4:362.44:462.310:410.611:040.26:525:31Waxing Gibbous4Wed
5Thu5:322.45:372.311:330.611:510.26:525:32Waxing Gibbous5Thu
6Fri6:212.46:242.312:200.66:535:32Waxing Gibbous6Fri
7Sat7:062.47:072.312:350.11:030.66:545:32Waxing Gibbous7Sat
8Sun7:472.47:482.31:170.11:440.56:545:32Full Moon8Sun
9Mon8:252.58:272.31:560.12:230.56:555:32Full Moon9Mon
10Tue9:032.49:062.32:340.13:010.56:565:33Full Moon10Tue
11Wed9:412.49:452.23:110.13:380.56:565:33Full Moon11Wed
12Thu10:182.410:242.23:470.14:150.56:575:33Waning Gibbous12Thu
13Fri10:562.311:052.14:230.24:520.56:585:34Waning Gibbous13Fri
14Sat11:342.311:482.15:000.35:310.56:585:34Waning Gibbous14Sat
15Sun12:142.25:410.46:140.56:595:34Waning Gibbous15Sun
16Mon12:352.112:562.16:280.57:020.46:595:35Third Quarter16Mon
17Tue1:272.01:432.17:220.57:570.37:005:35Third Quarter17Tue
18Wed2:252.12:352.18:230.68:560.27:015:35Third Quarter18Wed
19Thu3:272.13:342.19:270.59:570.07:015:36Third Quarter19Thu
20Fri4:312.24:362.210:300.510:56-0.27:025:36Waning Crescent20Fri
21Sat5:342.45:382.311:300.311:53-0.47:025:37Waning Crescent21Sat
22Sun6:332.56:382.412:260.17:035:37Waning Crescent22Sun
23Mon7:292.67:352.512:49-0.61:210.07:035:38New Moon23Mon
24Tue8:222.78:312.61:43-0.82:14-0.27:045:38New Moon24Tue
25Wed9:132.89:252.62:36-0.83:07-0.37:045:39New Moon25Wed
26Thu10:022.810:182.63:29-0.84:00-0.37:045:40Waxing Crescent26Thu
27Fri10:522.711:122.54:22-0.64:53-0.37:055:40Waxing Crescent27Fri
28Sat11:412.65:16-0.45:48-0.37:055:41Waxing Crescent28Sat
29Sun12:062.412:302.46:11-0.26:44-0.27:065:41Waxing Crescent29Sun
30Mon1:012.31:212.37:080.07:41-0.17:065:42First Quarter30Mon
31Tue1:592.22:132.18:070.28:39-0.17:065:43First Quarter31Tue
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 4:24 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 transitional phase. Tonight's moon is 27% 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 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 (27% illuminated). This places Rock Harbor, 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