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

TIDE TIMES for Thursday, June 25, 2026
The tide is currently rising in Rock Harbor, Key Largo, FL.
Next low tide (tomorrow) : 1:00 am (0.5 ft)
Next high tide : in 1h 21m at 7:01 pm (2.0 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 6:33 am
Moon phase : Waxing Gibbous (84% illuminated)
Tide Station Location : Station #8723689
Common Questions About Tides

Rock Harbor, Key Largo, FL Tides - Sep 2041

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:492.31:262.36:520.57:160.97:027:40Waxing Crescent1Sun
2Mon1:272.22:152.37:370.58:061.07:037:39First Quarter2Mon
3Tue2:132.23:132.38:320.69:071.17:037:38First Quarter3Tue
4Wed3:102.24:192.39:370.610:171.17:037:37First Quarter4Wed
5Thu4:192.25:282.410:460.511:251.07:047:36Waxing Gibbous5Thu
6Fri5:322.36:322.511:530.37:047:35Waxing Gibbous6Fri
7Sat6:412.57:302.712:280.812:530.27:057:34Waxing Gibbous7Sat
8Sun7:422.78:222.91:250.51:500.07:057:33Waxing Gibbous8Sun
9Mon8:392.99:103.02:180.32:43-0.17:057:32Full Moon9Mon
10Tue9:323.19:573.13:080.03:34-0.17:067:30Full Moon10Tue
11Wed10:233.110:433.13:57-0.24:24-0.17:067:29Full Moon11Wed
12Thu11:143.211:293.04:46-0.25:130.17:067:28Waning Gibbous12Thu
13Fri12:043.15:35-0.26:040.37:077:27Waning Gibbous13Fri
14Sat12:162.912:552.96:260.06:570.67:077:26Waning Gibbous14Sat
15Sun1:052.71:492.87:200.27:530.87:087:25Third Quarter15Sun
16Mon1:572.62:462.68:180.48:541.07:087:24Third Quarter16Mon
17Tue2:542.43:492.49:210.69:591.27:087:23Third Quarter17Tue
18Wed3:572.34:552.410:260.811:041.27:097:22Third Quarter18Wed
19Thu5:042.35:572.411:290.87:097:21Waning Crescent19Thu
20Fri6:062.36:512.412:031.212:240.87:097:20Waning Crescent20Fri
21Sat7:012.47:362.512:541.11:130.87:107:19Waning Crescent21Sat
22Sun7:472.58:152.61:381.01:560.77:107:17Waning Crescent22Sun
23Mon8:292.68:502.62:180.82:350.77:107:16New Moon23Mon
24Tue9:072.79:252.72:540.73:110.77:117:15New Moon24Tue
25Wed9:452.79:582.73:280.63:460.77:117:14New Moon25Wed
26Thu10:222.810:322.74:000.64:200.77:127:13New Moon26Thu
27Fri10:592.811:062.64:320.54:530.87:127:12Waxing Crescent27Fri
28Sat11:372.711:412.55:040.55:280.97:127:11Waxing Crescent28Sat
29Sun12:172.75:390.66:051.07:137:10Waxing Crescent29Sun
30Mon12:182.51:022.66:190.66:481.17:137:09Waxing Crescent30Mon
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 10:00 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 84% 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 Gibbous (84% 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