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 4h 34m 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 - Mar 2025

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat9:492.410:172.53:27-0.63:49-0.86:436:24Waxing Crescent1Sat
2Sun10:322.411:072.54:15-0.54:36-0.86:436:24Waxing Crescent2Sun
3Mon11:182.311:582.45:04-0.45:26-0.86:426:25Waxing Crescent3Mon
4Tue12:072.25:55-0.26:20-0.66:416:25Waxing Crescent4Tue
5Wed12:532.31:002.16:520.17:20-0.46:406:26First Quarter5Wed
6Thu1:542.12:011.97:550.38:26-0.36:396:26First Quarter6Thu
7Fri3:022.03:111.99:050.49:37-0.16:386:27First Quarter7Fri
8Sat4:151.94:251.810:160.410:45-0.16:376:27Waxing Gibbous8Sat
9Sun6:232.06:341.912:210.37:367:28Waxing Gibbous9Sun
10Mon7:202.07:322.012:47-0.11:180.27:357:28Waxing Gibbous10Mon
11Tue8:092.18:222.11:40-0.22:070.17:347:29Waxing Gibbous11Tue
12Wed8:502.29:062.22:26-0.22:49-0.17:337:29Full Moon12Wed
13Thu9:272.29:452.23:08-0.23:28-0.27:327:29Full Moon13Thu
14Fri10:002.210:212.23:47-0.24:04-0.27:317:30Full Moon14Fri
15Sat10:332.210:562.24:23-0.14:38-0.37:307:30Full Moon15Sat
16Sun11:052.111:312.24:580.05:11-0.27:297:31Waning Gibbous16Sun
17Mon11:372.15:310.15:43-0.27:287:31Waning Gibbous17Mon
18Tue12:062.112:092.06:050.26:17-0.17:277:32Waning Gibbous18Tue
19Wed12:442.012:441.96:390.46:530.17:267:32Waning Gibbous19Wed
20Thu1:251.91:221.87:170.57:360.27:257:33Third Quarter20Thu
21Fri2:121.82:081.78:040.78:290.37:247:33Third Quarter21Fri
22Sat3:091.83:061.79:050.89:340.37:237:34Third Quarter22Sat
23Sun4:151.84:181.710:160.710:440.27:217:34Third Quarter23Sun
24Mon5:221.85:311.811:240.611:490.17:207:34Waning Crescent24Mon
25Tue6:232.06:382.012:240.47:197:35Waning Crescent25Tue
26Wed7:172.17:372.212:480.01:160.17:187:35Waning Crescent26Wed
27Thu8:052.38:302.41:41-0.22:05-0.37:177:36Waning Crescent27Thu
28Fri8:522.49:212.62:31-0.32:52-0.67:167:36New Moon28Fri
29Sat9:372.510:102.73:19-0.43:39-0.87:157:37New Moon29Sat
30Sun10:222.610:592.84:07-0.44:26-0.97:147:37New Moon30Sun
31Mon11:092.511:492.74:56-0.35:15-0.87:137:37Waxing Crescent31Mon
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